./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:32,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:32,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:50:32,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:32,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:32,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:32,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:32,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:32,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:32,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:32,824 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:32,825 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:32,825 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:32,826 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:50:32,826 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:32,827 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:32,828 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:50:32,828 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:50:32,829 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:32,830 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:50:32,830 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:50:32,831 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:50:32,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:32,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:32,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:50:32,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:50:32,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:50:32,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:32,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:32,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:32,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:32,836 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:50:32,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:32,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:32,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:32,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:32,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:32,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:32,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:32,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:32,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:32,840 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:50:32,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:50:32,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:32,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:32,840 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:32,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:32,841 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 [2023-12-02 19:50:33,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:33,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:33,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:33,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:33,149 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:33,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-12-02 19:50:36,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:36,756 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:36,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-12-02 19:50:36,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/0282a493a/b4866e6542cd45f4aae2297d1defc5f2/FLAG46eba9da8 [2023-12-02 19:50:36,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/0282a493a/b4866e6542cd45f4aae2297d1defc5f2 [2023-12-02 19:50:36,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:36,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:36,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:36,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:36,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:36,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:36" (1/1) ... [2023-12-02 19:50:36,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68df238c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:36, skipping insertion in model container [2023-12-02 19:50:36,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:36" (1/1) ... [2023-12-02 19:50:36,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:50:37,201 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c[15665,15678] [2023-12-02 19:50:37,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:37,248 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:50:37,341 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c[15665,15678] [2023-12-02 19:50:37,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:37,384 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:50:37,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37 WrapperNode [2023-12-02 19:50:37,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:37,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:37,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:50:37,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:50:37,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,492 INFO L138 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1089 [2023-12-02 19:50:37,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:37,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:50:37,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:50:37,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:50:37,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:50:37,622 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:50:37,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:50:37,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:50:37,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (1/1) ... [2023-12-02 19:50:37,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:37,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:37,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:50:37,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:50:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:50:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:50:37,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 19:50:37,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:50:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 19:50:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 19:50:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 19:50:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-12-02 19:50:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-12-02 19:50:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:50:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 19:50:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-12-02 19:50:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-12-02 19:50:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:50:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-12-02 19:50:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-12-02 19:50:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:50:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:50:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:50:37,948 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:50:37,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:50:39,149 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:50:39,560 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:50:39,560 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 19:50:39,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:39 BoogieIcfgContainer [2023-12-02 19:50:39,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:50:39,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:50:39,565 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:50:39,568 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:50:39,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:36" (1/3) ... [2023-12-02 19:50:39,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14346d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:39, skipping insertion in model container [2023-12-02 19:50:39,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:37" (2/3) ... [2023-12-02 19:50:39,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14346d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:39, skipping insertion in model container [2023-12-02 19:50:39,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:39" (3/3) ... [2023-12-02 19:50:39,571 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a.c [2023-12-02 19:50:39,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:50:39,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:50:39,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:50:39,649 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;@7967a846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:50:39,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:50:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 19:50:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:50:39,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:39,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:39,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:39,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1251987855, now seen corresponding path program 1 times [2023-12-02 19:50:39,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:39,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169175787] [2023-12-02 19:50:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:39,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:50:39,992 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 19:50:39,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:50:39,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169175787] [2023-12-02 19:50:39,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169175787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:50:39,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:50:39,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:50:39,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487332022] [2023-12-02 19:50:39,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:50:40,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:50:40,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:50:40,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:50:40,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:50:40,034 INFO L87 Difference]: Start difference. First operand has 164 states, 147 states have (on average 1.6870748299319729) internal successors, (248), 148 states have internal predecessors, (248), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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 19:50:40,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:50:40,284 INFO L93 Difference]: Finished difference Result 327 states and 550 transitions. [2023-12-02 19:50:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:50:40,288 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 19:50:40,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:50:40,298 INFO L225 Difference]: With dead ends: 327 [2023-12-02 19:50:40,298 INFO L226 Difference]: Without dead ends: 162 [2023-12-02 19:50:40,305 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 19:50:40,309 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:50:40,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:50:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-02 19:50:40,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2023-12-02 19:50:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 146 states have (on average 1.36986301369863) internal successors, (200), 146 states have internal predecessors, (200), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 19:50:40,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 222 transitions. [2023-12-02 19:50:40,369 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 222 transitions. Word has length 8 [2023-12-02 19:50:40,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:50:40,369 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 222 transitions. [2023-12-02 19:50:40,370 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 19:50:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2023-12-02 19:50:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 19:50:40,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:40,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:40,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:50:40,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:40,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash 469524179, now seen corresponding path program 1 times [2023-12-02 19:50:40,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:40,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489158308] [2023-12-02 19:50:40,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:40,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:50:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:40,588 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:50:40,588 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:50:40,590 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:50:40,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:50:40,595 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 19:50:40,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:50:40,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:50:40 BoogieIcfgContainer [2023-12-02 19:50:40,645 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:50:40,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:50:40,646 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:50:40,646 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:50:40,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:39" (3/4) ... [2023-12-02 19:50:40,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:50:40,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:50:40,650 INFO L158 Benchmark]: Toolchain (without parser) took 3857.86ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 99.4MB in the beginning and 133.1MB in the end (delta: -33.7MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-12-02 19:50:40,651 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:40,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.75ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 71.2MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 19:50:40,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.40ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 63.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:50:40,653 INFO L158 Benchmark]: Boogie Preprocessor took 127.07ms. Allocated memory is still 146.8MB. Free memory was 63.8MB in the beginning and 56.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 19:50:40,654 INFO L158 Benchmark]: RCFGBuilder took 1940.54ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 56.3MB in the beginning and 102.0MB in the end (delta: -45.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-12-02 19:50:40,655 INFO L158 Benchmark]: TraceAbstraction took 1080.20ms. Allocated memory is still 213.9MB. Free memory was 101.0MB in the beginning and 133.1MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:40,655 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 213.9MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:40,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 146.8MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.75ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 71.2MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.40ms. Allocated memory is still 146.8MB. Free memory was 70.9MB in the beginning and 63.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.07ms. Allocated memory is still 146.8MB. Free memory was 63.8MB in the beginning and 56.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1940.54ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 56.3MB in the beginning and 102.0MB in the end (delta: -45.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1080.20ms. Allocated memory is still 213.9MB. Free memory was 101.0MB in the beginning and 133.1MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 213.9MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 631]: 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 someBinaryFLOATComparisonOperation at line 72, overapproximation of someUnaryDOUBLEoperation at line 512, overapproximation of someBinaryArithmeticFLOAToperation at line 611. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L94-L96] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L164] static const int init_jk_krempio[] = {4, 7, 9}; [L166-L170] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L172-L174] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L349-L367] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L369-L375] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L377-L386] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L506-L514] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L626] float x = 1.0f / 0.0f; [L627] CALL, EXPR tan_float(x) [L597] float y[2], z = 0.0; [L598] __int32_t n, ix; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L601] ieee_float_shape_type gf_u; [L602] EXPR gf_u.value = (x) [L603] EXPR gf_u.word [L603] EXPR (ix) = gf_u.word [L600-L604] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L606] ix &= 0x7fffffff VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L607] COND FALSE !(ix <= 0x3f490fda) VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L610] COND TRUE !((ix) < 0x7f800000L) [L611] return x - x; [L611] return x - x; VAL [PIo2_krempio={5:0}, T_ktan={8:0}, \old(x)=1000000000000000000000000000012, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, z=0, zero_krempio=0, zero_rempio=0] [L627] RET, EXPR tan_float(x) [L627] float res = tan_float(x); [L630] CALL, EXPR isnan_float(res) [L72] return x != x; [L630] RET, EXPR isnan_float(res) [L630] COND TRUE !isnan_float(res) [L631] reach_error() VAL [PIo2_krempio={5:0}, T_ktan={8:0}, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000013, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000012, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 164 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 165 mSDtfsCounter, 59 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=164occurred 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, 0.2s 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 19:50:40,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:42,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:43,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:50:43,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:43,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:43,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:43,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:43,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:43,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:43,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:43,081 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:43,082 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:43,082 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:43,083 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:43,084 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:43,084 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:43,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:43,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:43,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:50:43,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:50:43,089 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:43,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:43,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:43,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:43,091 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:50:43,092 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:50:43,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:50:43,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:50:43,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:43,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:43,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:43,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:50:43,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:43,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:43,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:43,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:43,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:43,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:43,097 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:50:43,097 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:50:43,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:43,098 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:43,098 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:43,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:43,099 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c38a465d0220cf01948e55e000cc294b2ce38efcbb4b721d4a1ffa16ed168e3 [2023-12-02 19:50:43,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:43,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:43,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:43,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:43,479 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:43,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-12-02 19:50:46,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:47,081 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:47,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c [2023-12-02 19:50:47,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/25156a24a/5c5fe08ea02c453d82daaf73b6151224/FLAGe8aefc3b6 [2023-12-02 19:50:47,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/data/25156a24a/5c5fe08ea02c453d82daaf73b6151224 [2023-12-02 19:50:47,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:47,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:47,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:47,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:47,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:47,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464f0425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47, skipping insertion in model container [2023-12-02 19:50:47,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:50:47,470 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c[15665,15678] [2023-12-02 19:50:47,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:47,509 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:50:47,591 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_42dec4f2-f722-451b-9086-c5ec1a968ebe/sv-benchmarks/c/float-newlib/float_req_bl_0550a.c[15665,15678] [2023-12-02 19:50:47,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:47,661 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:50:47,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47 WrapperNode [2023-12-02 19:50:47,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:47,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:47,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:50:47,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:50:47,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,757 INFO L138 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1042 [2023-12-02 19:50:47,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:47,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:50:47,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:50:47,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:50:47,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:50:47,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:50:47,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:50:47,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:50:47,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (1/1) ... [2023-12-02 19:50:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:47,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:50:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:50:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:50:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:50:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 19:50:47,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:50:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 19:50:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 19:50:47,964 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 19:50:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 19:50:47,964 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-12-02 19:50:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-12-02 19:50:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 19:50:47,965 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-12-02 19:50:47,965 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-12-02 19:50:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 19:50:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2023-12-02 19:50:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2023-12-02 19:50:47,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:50:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:50:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 19:50:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:50:48,164 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:50:48,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:51:24,396 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:51:24,495 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:51:24,495 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 19:51:24,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:24 BoogieIcfgContainer [2023-12-02 19:51:24,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:51:24,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:51:24,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:51:24,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:51:24,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:47" (1/3) ... [2023-12-02 19:51:24,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81b932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:24, skipping insertion in model container [2023-12-02 19:51:24,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:47" (2/3) ... [2023-12-02 19:51:24,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81b932e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:51:24, skipping insertion in model container [2023-12-02 19:51:24,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:24" (3/3) ... [2023-12-02 19:51:24,505 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a.c [2023-12-02 19:51:24,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:51:24,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:51:24,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:51:24,580 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;@170f882a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:51:24,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:51:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 198 states have (on average 1.7424242424242424) internal successors, (345), 199 states have internal predecessors, (345), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 19:51:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:51:24,591 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:24,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:24,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:24,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:24,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2093963439, now seen corresponding path program 1 times [2023-12-02 19:51:24,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:24,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407931550] [2023-12-02 19:51:24,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:24,610 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 19:51:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:24,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:26,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:51:26,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:26,126 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 19:51:26,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:51:26,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:26,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407931550] [2023-12-02 19:51:26,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407931550] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:26,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:26,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:51:26,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541895226] [2023-12-02 19:51:26,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:26,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:51:26,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:26,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:51:26,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:51:26,165 INFO L87 Difference]: Start difference. First operand has 215 states, 198 states have (on average 1.7424242424242424) internal successors, (345), 199 states have internal predecessors, (345), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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 19:51:28,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:30,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:32,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:34,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:36,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:38,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:51:38,393 INFO L93 Difference]: Finished difference Result 429 states and 744 transitions. [2023-12-02 19:51:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:51:38,400 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 19:51:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:51:38,422 INFO L225 Difference]: With dead ends: 429 [2023-12-02 19:51:38,422 INFO L226 Difference]: Without dead ends: 213 [2023-12-02 19:51:38,428 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 19:51:38,432 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:51:38,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2023-12-02 19:51:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-12-02 19:51:38,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2023-12-02 19:51:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 197 states have (on average 1.416243654822335) internal successors, (279), 197 states have internal predecessors, (279), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 19:51:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2023-12-02 19:51:38,490 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 8 [2023-12-02 19:51:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:51:38,491 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2023-12-02 19:51:38,491 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 19:51:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2023-12-02 19:51:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 19:51:38,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:51:38,492 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:51:38,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:38,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:38,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:51:38,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:51:38,699 INFO L85 PathProgramCache]: Analyzing trace with hash 804662292, now seen corresponding path program 1 times [2023-12-02 19:51:38,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:51:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042342020] [2023-12-02 19:51:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:51:38,701 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 19:51:38,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:51:38,702 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:38,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:51:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:51:40,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 19:51:40,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:51:40,605 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 19:51:40,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:51:40,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:51:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042342020] [2023-12-02 19:51:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042342020] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:51:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:51:40,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:51:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581356333] [2023-12-02 19:51:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:51:40,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:51:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:51:40,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:51:40,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:51:40,609 INFO L87 Difference]: Start difference. First operand 213 states and 301 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 19:51:44,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:46,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:48,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:50,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:53,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:55,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:51:57,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:00,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:02,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:04,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:06,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:08,609 WARN L539 Checker$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 19:52:11,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:14,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:16,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:18,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:21,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:23,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:25,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:27,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:29,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:31,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:34,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:35,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:38,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:40,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:43,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:45,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:47,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:52:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:52:52,379 INFO L93 Difference]: Finished difference Result 217 states and 304 transitions. [2023-12-02 19:52:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:52:52,389 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 19:52:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:52:52,391 INFO L225 Difference]: With dead ends: 217 [2023-12-02 19:52:52,391 INFO L226 Difference]: Without dead ends: 213 [2023-12-02 19:52:52,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:52:52,393 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 192 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.6s IncrementalHoareTripleChecker+Time [2023-12-02 19:52:52,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 788 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 24 Unknown, 0 Unchecked, 71.6s Time] [2023-12-02 19:52:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-12-02 19:52:52,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2023-12-02 19:52:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 197 states have (on average 1.4111675126903553) internal successors, (278), 197 states have internal predecessors, (278), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 19:52:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 300 transitions. [2023-12-02 19:52:52,411 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 300 transitions. Word has length 9 [2023-12-02 19:52:52,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:52:52,411 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 300 transitions. [2023-12-02 19:52:52,411 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 19:52:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 300 transitions. [2023-12-02 19:52:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 19:52:52,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:52:52,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:52:52,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:52:52,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:52:52,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:52:52,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:52:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1254129025, now seen corresponding path program 1 times [2023-12-02 19:52:52,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:52:52,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275002488] [2023-12-02 19:52:52,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:52:52,615 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 19:52:52,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:52:52,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:52:52,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:52:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:52:54,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 19:52:54,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:52:54,581 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 19:52:54,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:52:54,582 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:52:54,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275002488] [2023-12-02 19:52:54,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1275002488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:52:54,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:52:54,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:52:54,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086013337] [2023-12-02 19:52:54,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:52:54,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 19:52:54,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:52:54,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 19:52:54,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 19:52:54,586 INFO L87 Difference]: Start difference. First operand 213 states and 300 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19:52:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:52:54,842 INFO L93 Difference]: Finished difference Result 213 states and 300 transitions. [2023-12-02 19:52:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 19:52:54,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2023-12-02 19:52:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:52:54,844 INFO L225 Difference]: With dead ends: 213 [2023-12-02 19:52:54,844 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:52:54,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:52:54,846 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:52:54,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 19:52:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:52:54,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:52:54,848 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 19:52:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:52:54,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-12-02 19:52:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:52:54,849 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:52:54,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 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 19:52:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:52:54,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:52:54,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:52:54,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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)] Ended with exit code 0 [2023-12-02 19:52:55,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 19:52:55,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 19:52:55,482 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 74 92) no Hoare annotation was computed. [2023-12-02 19:52:55,482 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 85) no Hoare annotation was computed. [2023-12-02 19:52:55,482 INFO L902 garLoopResultBuilder]: At program point L81-1(lines 81 85) the Hoare annotation is: true [2023-12-02 19:52:55,483 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 74 92) the Hoare annotation is: true [2023-12-02 19:52:55,483 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-12-02 19:52:55,483 INFO L902 garLoopResultBuilder]: At program point L86-1(lines 86 90) the Hoare annotation is: true [2023-12-02 19:52:55,483 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2023-12-02 19:52:55,483 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2023-12-02 19:52:55,483 INFO L902 garLoopResultBuilder]: At program point L76-2(lines 76 80) the Hoare annotation is: true [2023-12-02 19:52:55,483 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 530) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfFINAL(lines 516 594) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 523) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L902 garLoopResultBuilder]: At program point L519-2(lines 519 523) the Hoare annotation is: true [2023-12-02 19:52:55,484 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L902 garLoopResultBuilder]: At program point L581-2(lines 581 585) the Hoare annotation is: true [2023-12-02 19:52:55,484 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2023-12-02 19:52:55,484 INFO L902 garLoopResultBuilder]: At program point L569-2(lines 569 573) the Hoare annotation is: true [2023-12-02 19:52:55,485 INFO L902 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: true [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point __kernel_tanfEXIT(lines 516 594) no Hoare annotation was computed. [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2023-12-02 19:52:55,485 INFO L902 garLoopResultBuilder]: At program point L586-1(lines 586 590) the Hoare annotation is: true [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point L586-2(lines 586 590) no Hoare annotation was computed. [2023-12-02 19:52:55,485 INFO L899 garLoopResultBuilder]: For program point L574(lines 574 578) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L902 garLoopResultBuilder]: At program point L574-1(lines 574 578) the Hoare annotation is: true [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 533 542) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 593) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 532) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 516 594) no Hoare annotation was computed. [2023-12-02 19:52:55,486 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 516 594) the Hoare annotation is: true [2023-12-02 19:52:55,486 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 537) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point L534-2(lines 534 537) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 531) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 160) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L902 garLoopResultBuilder]: At program point L156-1(lines 156 160) the Hoare annotation is: true [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point L156-2(lines 156 160) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 149 162) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2023-12-02 19:52:55,487 INFO L902 garLoopResultBuilder]: At program point L151-2(lines 151 155) the Hoare annotation is: true [2023-12-02 19:52:55,488 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 149 162) the Hoare annotation is: true [2023-12-02 19:52:55,488 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 633) no Hoare annotation was computed. [2023-12-02 19:52:55,488 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2023-12-02 19:52:55,488 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 301) the Hoare annotation is: false [2023-12-02 19:52:55,488 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 300 301) no Hoare annotation was computed. [2023-12-02 19:52:55,488 INFO L899 garLoopResultBuilder]: For program point L631(line 631) no Hoare annotation was computed. [2023-12-02 19:52:55,488 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 404) no Hoare annotation was computed. [2023-12-02 19:52:55,489 INFO L895 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2023-12-02 19:52:55,489 INFO L899 garLoopResultBuilder]: For program point L202(lines 177 347) no Hoare annotation was computed. [2023-12-02 19:52:55,489 INFO L899 garLoopResultBuilder]: For program point L334-4(lines 305 345) no Hoare annotation was computed. [2023-12-02 19:52:55,489 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed. [2023-12-02 19:52:55,489 INFO L899 garLoopResultBuilder]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2023-12-02 19:52:55,489 INFO L895 garLoopResultBuilder]: At program point L600-2(lines 600 604) the Hoare annotation is: (and (= |ULTIMATE.start_tan_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven)) [2023-12-02 19:52:55,489 INFO L899 garLoopResultBuilder]: For program point L600-3(lines 600 604) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L895 garLoopResultBuilder]: At program point L204-3(lines 204 208) the Hoare annotation is: false [2023-12-02 19:52:55,490 INFO L895 garLoopResultBuilder]: At program point L204-4(lines 204 208) the Hoare annotation is: false [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 43) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L436-2(lines 436 468) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L436-4(lines 436 468) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 225 253) no Hoare annotation was computed. [2023-12-02 19:52:55,490 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 41) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 475) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 345) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 429) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 428) no Hoare annotation was computed. [2023-12-02 19:52:55,491 INFO L895 garLoopResultBuilder]: At program point L308-3(lines 308 309) the Hoare annotation is: false [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 309) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 619 636) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 616) no Hoare annotation was computed. [2023-12-02 19:52:55,492 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 442 446) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L895 garLoopResultBuilder]: At program point L442-2(lines 442 446) the Hoare annotation is: false [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L442-3(lines 442 446) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L277-1(lines 277 280) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L895 garLoopResultBuilder]: At program point L277-3(lines 277 280) the Hoare annotation is: false [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 49) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: false [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L608-1(line 608) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L312(line 312) no Hoare annotation was computed. [2023-12-02 19:52:55,493 INFO L899 garLoopResultBuilder]: For program point L312-2(line 312) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point L610(lines 610 616) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point tan_float_returnLabel#1(lines 596 617) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: false [2023-12-02 19:52:55,494 INFO L899 garLoopResultBuilder]: For program point L282-1(line 282) no Hoare annotation was computed. [2023-12-02 19:52:55,494 INFO L895 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 55) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L895 garLoopResultBuilder]: At program point L51-1(lines 51 55) the Hoare annotation is: false [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 55) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 467) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 448 467) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 290) no Hoare annotation was computed. [2023-12-02 19:52:55,495 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 251) no Hoare annotation was computed. [2023-12-02 19:52:55,496 INFO L895 garLoopResultBuilder]: At program point L283-2(lines 274 291) the Hoare annotation is: false [2023-12-02 19:52:55,496 INFO L899 garLoopResultBuilder]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2023-12-02 19:52:55,496 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2023-12-02 19:52:55,496 INFO L899 garLoopResultBuilder]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2023-12-02 19:52:55,496 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: false [2023-12-02 19:52:55,496 INFO L899 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2023-12-02 19:52:55,496 INFO L899 garLoopResultBuilder]: For program point floor_float_returnLabel#1(lines 16 57) no Hoare annotation was computed. [2023-12-02 19:52:55,496 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2023-12-02 19:52:55,496 INFO L899 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 484 488) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L895 garLoopResultBuilder]: At program point L484-2(lines 484 488) the Hoare annotation is: false [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L484-3(lines 484 488) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 223) no Hoare annotation was computed. [2023-12-02 19:52:55,497 INFO L895 garLoopResultBuilder]: At program point L319-3(lines 319 320) the Hoare annotation is: false [2023-12-02 19:52:55,497 INFO L899 garLoopResultBuilder]: For program point L319-4(lines 319 320) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 223) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L255-1(lines 177 347) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L222-2(lines 177 347) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L895 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2023-12-02 19:52:55,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L895 garLoopResultBuilder]: At program point L257-3(lines 257 258) the Hoare annotation is: false [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L257-4(lines 255 272) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 50) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L895 garLoopResultBuilder]: At program point L489-3(lines 489 492) the Hoare annotation is: false [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L489-4(lines 489 492) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L225(lines 177 347) no Hoare annotation was computed. [2023-12-02 19:52:55,499 INFO L895 garLoopResultBuilder]: At program point L324-3(lines 324 328) the Hoare annotation is: false [2023-12-02 19:52:55,499 INFO L899 garLoopResultBuilder]: For program point L324-4(lines 324 328) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L895 garLoopResultBuilder]: At program point L192-3(lines 192 193) the Hoare annotation is: false [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L192-4(lines 192 193) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 44) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point __ieee754_rem_pio2f_returnLabel#1(lines 388 504) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 34) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L293(line 293) no Hoare annotation was computed. [2023-12-02 19:52:55,500 INFO L899 garLoopResultBuilder]: For program point L260-1(lines 260 261) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L895 garLoopResultBuilder]: At program point L260-4(lines 260 261) the Hoare annotation is: false [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point L260-5(lines 260 261) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L895 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point L228-2(lines 228 237) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point L294-4(lines 294 297) no Hoare annotation was computed. [2023-12-02 19:52:55,501 INFO L895 garLoopResultBuilder]: At program point L228-3(lines 228 237) the Hoare annotation is: false [2023-12-02 19:52:55,501 INFO L895 garLoopResultBuilder]: At program point L195-3(lines 195 199) the Hoare annotation is: false [2023-12-02 19:52:55,501 INFO L899 garLoopResultBuilder]: For program point L228-4(lines 225 253) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L195-4(lines 195 199) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 466) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L394-1(lines 394 398) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L895 garLoopResultBuilder]: At program point L394-2(lines 394 398) the Hoare annotation is: false [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L394-3(lines 394 398) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L895 garLoopResultBuilder]: At program point L196-3(lines 196 197) the Hoare annotation is: false [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L196-4(lines 196 197) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 236) no Hoare annotation was computed. [2023-12-02 19:52:55,502 INFO L895 garLoopResultBuilder]: At program point L329-3(lines 329 333) the Hoare annotation is: false [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point L329-4(lines 329 333) no Hoare annotation was computed. [2023-12-02 19:52:55,503 INFO L895 garLoopResultBuilder]: At program point L263-3(lines 263 268) the Hoare annotation is: false [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point L263-4(lines 263 268) no Hoare annotation was computed. [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 631) no Hoare annotation was computed. [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point L495-1(lines 495 496) no Hoare annotation was computed. [2023-12-02 19:52:55,503 INFO L895 garLoopResultBuilder]: At program point L495-3(lines 495 496) the Hoare annotation is: false [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point L495-4(lines 495 496) no Hoare annotation was computed. [2023-12-02 19:52:55,503 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 234) no Hoare annotation was computed. [2023-12-02 19:52:55,504 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 476) no Hoare annotation was computed. [2023-12-02 19:52:55,504 INFO L895 garLoopResultBuilder]: At program point L265-3(lines 265 266) the Hoare annotation is: false [2023-12-02 19:52:55,504 INFO L899 garLoopResultBuilder]: For program point L265-4(lines 265 266) no Hoare annotation was computed. [2023-12-02 19:52:55,504 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: false [2023-12-02 19:52:55,504 INFO L899 garLoopResultBuilder]: For program point L431-1(line 431) no Hoare annotation was computed. [2023-12-02 19:52:55,504 INFO L895 garLoopResultBuilder]: At program point L299-3(lines 299 303) the Hoare annotation is: false [2023-12-02 19:52:55,504 INFO L899 garLoopResultBuilder]: For program point L299-4(lines 299 303) no Hoare annotation was computed. [2023-12-02 19:52:55,504 INFO L902 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: true [2023-12-02 19:52:55,504 INFO L899 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L902 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: true [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 140) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L902 garLoopResultBuilder]: At program point L102-2(lines 102 106) the Hoare annotation is: true [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 134) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 119) no Hoare annotation was computed. [2023-12-02 19:52:55,505 INFO L902 garLoopResultBuilder]: At program point L115-2(lines 115 119) the Hoare annotation is: true [2023-12-02 19:52:55,505 INFO L899 garLoopResultBuilder]: For program point L115-3(lines 115 119) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 112) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 98 148) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L902 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 98 148) no Hoare annotation was computed. [2023-12-02 19:52:55,506 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 98 148) the Hoare annotation is: true [2023-12-02 19:52:55,506 INFO L902 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2023-12-02 19:52:55,506 INFO L899 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 123) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L113-2(lines 113 123) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 110) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 146) no Hoare annotation was computed. [2023-12-02 19:52:55,507 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 146) the Hoare annotation is: true [2023-12-02 19:52:55,507 INFO L899 garLoopResultBuilder]: For program point L142-3(lines 142 146) no Hoare annotation was computed. [2023-12-02 19:52:55,510 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-02 19:52:55,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:52:55,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 19:52:55,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:52:55 BoogieIcfgContainer [2023-12-02 19:52:55,522 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:52:55,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:52:55,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:52:55,523 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:52:55,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:51:24" (3/4) ... [2023-12-02 19:52:55,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 19:52:55,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2023-12-02 19:52:55,527 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2023-12-02 19:52:55,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2023-12-02 19:52:55,528 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2023-12-02 19:52:55,543 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2023-12-02 19:52:55,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-02 19:52:55,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 19:52:55,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 19:52:55,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 19:52:55,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 19:52:55,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:52:55,811 INFO L158 Benchmark]: Toolchain (without parser) took 128698.39ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 59.3MB in the end (delta: 18.7MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,811 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:52:55,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.08ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 75.6MB in the end (delta: 2.3MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.37ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 68.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,812 INFO L158 Benchmark]: Boogie Preprocessor took 116.27ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 60.7MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,812 INFO L158 Benchmark]: RCFGBuilder took 36620.37ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 36.0MB in the end (delta: 24.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,813 INFO L158 Benchmark]: TraceAbstraction took 91023.94ms. Allocated memory is still 102.8MB. Free memory was 35.3MB in the beginning and 41.9MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:52:55,813 INFO L158 Benchmark]: Witness Printer took 287.62ms. Allocated memory is still 102.8MB. Free memory was 41.9MB in the beginning and 59.3MB in the end (delta: -17.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-12-02 19:52:55,815 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.08ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 75.6MB in the end (delta: 2.3MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.37ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 68.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.27ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 60.7MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 36620.37ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 36.0MB in the end (delta: 24.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 91023.94ms. Allocated memory is still 102.8MB. Free memory was 35.3MB in the beginning and 41.9MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 287.62ms. Allocated memory is still 102.8MB. Free memory was 41.9MB in the beginning and 59.3MB in the end (delta: -17.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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: 631]: 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, 215 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 91.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 84.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 83.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 1068 SdHoareTripleChecker+Invalid, 82.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 549 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 215 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 519 mSDtfsCounter, 215 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 163 PreInvPairs, 164 NumberOfFragments, 68 HoareAnnotationTreeSize, 163 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 155 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1063 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: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-02 19:52:56,043 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 19:52:56,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42dec4f2-f722-451b-9086-c5ec1a968ebe/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 Writing output log to file Ultimate.log Result: TRUE