./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.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_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:07:05,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:07:05,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:07:05,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:07:05,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:07:05,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:07:05,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:07:05,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:07:05,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:07:05,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:07:05,831 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:07:05,832 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:07:05,832 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:07:05,833 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:07:05,833 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:07:05,834 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:07:05,834 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:07:05,835 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:07:05,835 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:07:05,836 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:07:05,836 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:07:05,837 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:07:05,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:07:05,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:07:05,839 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:07:05,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:07:05,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:07:05,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:07:05,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:07:05,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:07:05,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:07:05,842 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:07:05,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:07:05,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:07:05,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:07:05,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:07:05,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:07:05,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:07:05,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:07:05,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:07:05,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:07:05,844 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:07:05,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:07:05,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:07:05,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:07:05,845 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:07:05,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:07:05,846 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 [2023-12-02 17:07:06,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:07:06,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:07:06,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:07:06,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:07:06,100 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:07:06,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2023-12-02 17:07:08,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:07:09,092 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:07:09,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2023-12-02 17:07:09,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/aacf434d7/1fa9688f7257461ba234ae71ac763ca0/FLAGbda2e8135 [2023-12-02 17:07:09,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/aacf434d7/1fa9688f7257461ba234ae71ac763ca0 [2023-12-02 17:07:09,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:07:09,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:07:09,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:07:09,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:07:09,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:07:09,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a03133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09, skipping insertion in model container [2023-12-02 17:07:09,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:07:09,443 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2023-12-02 17:07:09,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:07:09,495 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:07:09,584 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2023-12-02 17:07:09,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:07:09,618 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:07:09,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09 WrapperNode [2023-12-02 17:07:09,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:07:09,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:07:09,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:07:09,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:07:09,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,700 INFO L138 Inliner]: procedures = 25, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1199 [2023-12-02 17:07:09,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:07:09,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:07:09,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:07:09,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:07:09,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:07:09,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:07:09,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:07:09,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:07:09,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (1/1) ... [2023-12-02 17:07:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:07:09,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:07:09,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:07:09,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:07:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2023-12-02 17:07:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2023-12-02 17:07:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:07:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:07:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 17:07:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 17:07:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 17:07:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2023-12-02 17:07:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2023-12-02 17:07:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-12-02 17:07:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-12-02 17:07:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 17:07:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 17:07:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-12-02 17:07:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-12-02 17:07:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:07:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:07:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:07:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:07:10,036 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:07:10,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:07:10,987 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:07:11,350 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:07:11,350 INFO L309 CfgBuilder]: Removed 61 assume(true) statements. [2023-12-02 17:07:11,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:11 BoogieIcfgContainer [2023-12-02 17:07:11,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:07:11,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:07:11,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:07:11,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:07:11,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:07:09" (1/3) ... [2023-12-02 17:07:11,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65628a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:11, skipping insertion in model container [2023-12-02 17:07:11,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:09" (2/3) ... [2023-12-02 17:07:11,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65628a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:11, skipping insertion in model container [2023-12-02 17:07:11,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:11" (3/3) ... [2023-12-02 17:07:11,361 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220a.c [2023-12-02 17:07:11,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:07:11,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:07:11,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:07:11,439 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;@136e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:07:11,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:07:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 155 states have (on average 1.6774193548387097) internal successors, (260), 156 states have internal predecessors, (260), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:07:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:07:11,452 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:07:11,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:07:11,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:07:11,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:07:11,459 INFO L85 PathProgramCache]: Analyzing trace with hash 106210965, now seen corresponding path program 1 times [2023-12-02 17:07:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:07:11,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353516606] [2023-12-02 17:07:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:07:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:07:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:07:11,780 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 17:07:11,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:07:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353516606] [2023-12-02 17:07:11,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353516606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:07:11,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:07:11,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:07:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115704436] [2023-12-02 17:07:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:07:11,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:07:11,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:07:11,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:07:11,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:07:11,821 INFO L87 Difference]: Start difference. First operand has 173 states, 155 states have (on average 1.6774193548387097) internal successors, (260), 156 states have internal predecessors, (260), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:07:12,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:07:12,022 INFO L93 Difference]: Finished difference Result 345 states and 579 transitions. [2023-12-02 17:07:12,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:07:12,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:07:12,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:07:12,036 INFO L225 Difference]: With dead ends: 345 [2023-12-02 17:07:12,036 INFO L226 Difference]: Without dead ends: 171 [2023-12-02 17:07:12,042 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 17:07:12,045 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:07:12,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:07:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-02 17:07:12,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-12-02 17:07:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:07:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 238 transitions. [2023-12-02 17:07:12,099 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 238 transitions. Word has length 9 [2023-12-02 17:07:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:07:12,100 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 238 transitions. [2023-12-02 17:07:12,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:07:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 238 transitions. [2023-12-02 17:07:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:07:12,101 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:07:12,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:07:12,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 17:07:12,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:07:12,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:07:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash 223316903, now seen corresponding path program 1 times [2023-12-02 17:07:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:07:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696645484] [2023-12-02 17:07:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:07:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:07:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:07:12,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:07:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:07:12,331 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:07:12,331 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:07:12,333 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:07:12,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 17:07:12,338 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 17:07:12,341 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:07:12,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short145 could not be translated [2023-12-02 17:07:12,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:07:12 BoogieIcfgContainer [2023-12-02 17:07:12,385 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:07:12,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:07:12,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:07:12,386 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:07:12,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:11" (3/4) ... [2023-12-02 17:07:12,389 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:07:12,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:07:12,391 INFO L158 Benchmark]: Toolchain (without parser) took 3267.24ms. Allocated memory was 130.0MB in the beginning and 199.2MB in the end (delta: 69.2MB). Free memory was 82.7MB in the beginning and 99.5MB in the end (delta: -16.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,391 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:07:12,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.80ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 82.4MB in the beginning and 127.8MB in the end (delta: -45.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.85ms. Allocated memory is still 165.7MB. Free memory was 127.8MB in the beginning and 119.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,393 INFO L158 Benchmark]: Boogie Preprocessor took 105.13ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 113.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,394 INFO L158 Benchmark]: RCFGBuilder took 1544.76ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 86.3MB in the end (delta: 25.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,395 INFO L158 Benchmark]: TraceAbstraction took 1030.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 86.3MB in the beginning and 100.5MB in the end (delta: -14.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-12-02 17:07:12,395 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 199.2MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:07:12,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.80ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 82.4MB in the beginning and 127.8MB in the end (delta: -45.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.85ms. Allocated memory is still 165.7MB. Free memory was 127.8MB in the beginning and 119.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.13ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 113.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1544.76ms. Allocated memory is still 165.7MB. Free memory was 112.0MB in the beginning and 86.3MB in the end (delta: 25.7MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1030.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 86.3MB in the beginning and 100.5MB in the end (delta: -14.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 199.2MB. Free memory was 100.5MB in the beginning and 99.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short145 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 629]: 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 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] 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, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] 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, }; [L370-L376] 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}; [L378-L387] 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; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] 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, }; [L624] float x = 0.0f; [L625] CALL, EXPR sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, 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_kcos=1, 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=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] EXPR gf_u.value = (x) [L591] EXPR gf_u.word [L591] EXPR (ix) = gf_u.word [L588-L592] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=-8388608, npio2_hw_rempio={7:0}, one_kcos=1, 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=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L594] ix &= 0x7fffffff VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, 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=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, 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=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, \old(x)=0, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_kcos=1, 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=0, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, 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_kcos=1, 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=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, 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_kcos=1, 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=0, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 173 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 57 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=173occurred 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 17:07:12,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:07:14,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:07:14,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:07:14,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:07:14,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:07:14,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:07:14,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:07:14,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:07:14,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:07:14,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:07:14,471 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:07:14,472 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:07:14,473 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:07:14,473 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:07:14,474 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:07:14,474 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:07:14,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:07:14,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:07:14,476 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:07:14,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:07:14,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:07:14,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:07:14,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:07:14,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:07:14,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:07:14,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:07:14,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:07:14,480 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:07:14,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:07:14,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:07:14,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:07:14,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:07:14,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:07:14,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:07:14,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:07:14,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:07:14,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:07:14,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:07:14,484 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:07:14,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:07:14,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:07:14,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:07:14,485 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:07:14,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:07:14,485 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 [2023-12-02 17:07:14,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:07:14,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:07:14,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:07:14,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:07:14,789 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:07:14,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2023-12-02 17:07:17,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:07:17,785 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:07:17,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2023-12-02 17:07:17,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/96bf200eb/8b380e3e66fd4cc5afe10933ce9ffb7e/FLAGcaf98c1a1 [2023-12-02 17:07:17,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/data/96bf200eb/8b380e3e66fd4cc5afe10933ce9ffb7e [2023-12-02 17:07:17,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:07:17,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:07:17,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:07:17,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:07:17,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:07:17,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:17" (1/1) ... [2023-12-02 17:07:17,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dff8f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:17, skipping insertion in model container [2023-12-02 17:07:17,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:17" (1/1) ... [2023-12-02 17:07:17,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:07:18,171 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2023-12-02 17:07:18,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:07:18,213 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:07:18,301 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_d68735e4-b127-49c2-8188-e6bbaa9177c0/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2023-12-02 17:07:18,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:07:18,339 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:07:18,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18 WrapperNode [2023-12-02 17:07:18,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:07:18,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:07:18,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:07:18,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:07:18,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,437 INFO L138 Inliner]: procedures = 29, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1152 [2023-12-02 17:07:18,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:07:18,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:07:18,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:07:18,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:07:18,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:07:18,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:07:18,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:07:18,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:07:18,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (1/1) ... [2023-12-02 17:07:18,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:07:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:07:18,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:07:18,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:07:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2023-12-02 17:07:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2023-12-02 17:07:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:07:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:07:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 17:07:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 17:07:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 17:07:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 17:07:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2023-12-02 17:07:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2023-12-02 17:07:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2023-12-02 17:07:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2023-12-02 17:07:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 17:07:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-12-02 17:07:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-12-02 17:07:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 17:07:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:07:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:07:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 17:07:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 17:07:18,795 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:07:18,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:07:58,903 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:07:59,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:07:59,018 INFO L309 CfgBuilder]: Removed 61 assume(true) statements. [2023-12-02 17:07:59,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:59 BoogieIcfgContainer [2023-12-02 17:07:59,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:07:59,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:07:59,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:07:59,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:07:59,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:07:17" (1/3) ... [2023-12-02 17:07:59,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53eea199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:59, skipping insertion in model container [2023-12-02 17:07:59,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:18" (2/3) ... [2023-12-02 17:07:59,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53eea199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:59, skipping insertion in model container [2023-12-02 17:07:59,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:59" (3/3) ... [2023-12-02 17:07:59,027 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220a.c [2023-12-02 17:07:59,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:07:59,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:07:59,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:07:59,117 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;@15caf365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:07:59,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:07:59,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 222 states, 204 states have (on average 1.7352941176470589) internal successors, (354), 205 states have internal predecessors, (354), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:07:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 17:07:59,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:07:59,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:07:59,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:07:59,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:07:59,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1429298997, now seen corresponding path program 1 times [2023-12-02 17:07:59,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:07:59,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895943281] [2023-12-02 17:07:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:07:59,154 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 17:07:59,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:07:59,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:07:59,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:08:01,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:08:01,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:08:01,037 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 17:08:01,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:08:01,038 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:08:01,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895943281] [2023-12-02 17:08:01,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895943281] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:08:01,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:08:01,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:08:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159934057] [2023-12-02 17:08:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:08:01,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:08:01,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:08:01,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:08:01,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:08:01,077 INFO L87 Difference]: Start difference. First operand has 222 states, 204 states have (on average 1.7352941176470589) internal successors, (354), 205 states have internal predecessors, (354), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:08:03,145 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 17:08:05,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:07,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:10,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:11,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:13,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:15,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:08:15,935 INFO L93 Difference]: Finished difference Result 443 states and 767 transitions. [2023-12-02 17:08:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:08:15,943 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:08:15,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:08:15,954 INFO L225 Difference]: With dead ends: 443 [2023-12-02 17:08:15,954 INFO L226 Difference]: Without dead ends: 220 [2023-12-02 17:08:15,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 17:08:15,964 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:08:15,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 14.8s Time] [2023-12-02 17:08:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-12-02 17:08:16,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2023-12-02 17:08:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 203 states have (on average 1.4285714285714286) internal successors, (290), 203 states have internal predecessors, (290), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 17:08:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 314 transitions. [2023-12-02 17:08:16,023 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 314 transitions. Word has length 9 [2023-12-02 17:08:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:08:16,023 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 314 transitions. [2023-12-02 17:08:16,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 17:08:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 314 transitions. [2023-12-02 17:08:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 17:08:16,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:08:16,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:08:16,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:16,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:16,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:08:16,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:08:16,230 INFO L85 PathProgramCache]: Analyzing trace with hash -69128795, now seen corresponding path program 1 times [2023-12-02 17:08:16,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:08:16,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998663284] [2023-12-02 17:08:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:08:16,232 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 17:08:16,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:08:16,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:16,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:08:18,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 17:08:18,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:08:18,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:08:18,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 17:08:18,332 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 17:08:18,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:08:18,333 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:08:18,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998663284] [2023-12-02 17:08:18,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998663284] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:08:18,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:08:18,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:08:18,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281042699] [2023-12-02 17:08:18,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:08:18,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:08:18,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:08:18,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:08:18,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 17:08:18,336 INFO L87 Difference]: Start difference. First operand 220 states and 314 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:08:20,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:22,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:22,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:08:22,505 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2023-12-02 17:08:22,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:08:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-02 17:08:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:08:22,507 INFO L225 Difference]: With dead ends: 238 [2023-12-02 17:08:22,507 INFO L226 Difference]: Without dead ends: 25 [2023-12-02 17:08:22,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:08:22,510 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:08:22,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 61 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2023-12-02 17:08:22,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-12-02 17:08:22,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-12-02 17:08:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 17:08:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2023-12-02 17:08:22,515 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 10 [2023-12-02 17:08:22,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:08:22,515 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2023-12-02 17:08:22,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:08:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-12-02 17:08:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 17:08:22,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:08:22,517 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 17:08:22,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:22,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:22,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:08:22,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:08:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1974384303, now seen corresponding path program 1 times [2023-12-02 17:08:22,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:08:22,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204666722] [2023-12-02 17:08:22,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:08:22,723 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 17:08:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:08:22,724 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:22,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:08:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:08:24,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 17:08:24,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:08:25,012 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 17:08:25,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:08:25,013 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:08:25,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204666722] [2023-12-02 17:08:25,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204666722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:08:25,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:08:25,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 17:08:25,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740617203] [2023-12-02 17:08:25,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:08:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 17:08:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:08:25,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 17:08:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:08:25,016 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 6 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 17:08:27,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:29,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:31,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:33,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:35,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:39,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:41,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:43,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:45,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:47,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:49,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:51,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:53,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:55,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:57,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:08:59,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:01,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:06,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:08,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:10,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:12,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:14,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:14,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:09:14,593 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2023-12-02 17:09:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 17:09:14,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 6 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 17:09:14,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:09:14,595 INFO L225 Difference]: With dead ends: 39 [2023-12-02 17:09:14,595 INFO L226 Difference]: Without dead ends: 36 [2023-12-02 17:09:14,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:09:14,596 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 22 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:09:14,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 101 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 24 Unknown, 0 Unchecked, 49.4s Time] [2023-12-02 17:09:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-12-02 17:09:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2023-12-02 17:09:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 26 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 17:09:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2023-12-02 17:09:14,603 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 19 [2023-12-02 17:09:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:09:14,603 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2023-12-02 17:09:14,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 6 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 17:09:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-12-02 17:09:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 17:09:14,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:09:14,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:09:14,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-02 17:09:14,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:09:14,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:09:14,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:09:14,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1686560912, now seen corresponding path program 1 times [2023-12-02 17:09:14,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:09:14,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88102518] [2023-12-02 17:09:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:09:14,807 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 17:09:14,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:09:14,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:09:14,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 (5)] Waiting until timeout for monitored process [2023-12-02 17:09:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:09:17,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 17:09:17,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:09:17,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 17:09:17,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-02 17:09:17,582 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 17:09:17,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:09:17,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:09:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88102518] [2023-12-02 17:09:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88102518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:09:17,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:09:17,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 17:09:17,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828254352] [2023-12-02 17:09:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:09:17,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:09:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:09:17,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:09:17,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:09:17,585 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:09:19,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:21,638 WARN L539 Checker$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 17:09:23,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:25,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:27,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:30,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:32,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:34,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:36,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:38,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:40,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:43,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:45,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:47,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:09:47,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:09:47,437 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2023-12-02 17:09:47,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 17:09:47,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 20 [2023-12-02 17:09:47,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:09:47,439 INFO L225 Difference]: With dead ends: 36 [2023-12-02 17:09:47,439 INFO L226 Difference]: Without dead ends: 23 [2023-12-02 17:09:47,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:09:47,440 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 21 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:09:47,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 70 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 14 Unknown, 0 Unchecked, 29.6s Time] [2023-12-02 17:09:47,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-12-02 17:09:47,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-12-02 17:09:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 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 17:09:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2023-12-02 17:09:47,444 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 20 [2023-12-02 17:09:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:09:47,444 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2023-12-02 17:09:47,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 17:09:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2023-12-02 17:09:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 17:09:47,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:09:47,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:09:47,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 (5)] Ended with exit code 0 [2023-12-02 17:09:47,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:09:47,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:09:47,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:09:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1196166194, now seen corresponding path program 1 times [2023-12-02 17:09:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:09:47,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858523995] [2023-12-02 17:09:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:09:47,648 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 17:09:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:09:47,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:09:47,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 (6)] Waiting until timeout for monitored process [2023-12-02 17:09:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:09:49,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 17:09:49,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:09:50,202 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 17:09:50,203 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:09:50,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:09:50,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858523995] [2023-12-02 17:09:50,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858523995] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:09:50,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:09:50,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-02 17:09:50,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529662178] [2023-12-02 17:09:50,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:09:50,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 17:09:50,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:09:50,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 17:09:50,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:09:50,205 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 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 17:09:52,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:54,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:56,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:09:58,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:00,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:02,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:04,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:06,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:08,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 17:10:09,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:10:09,102 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2023-12-02 17:10:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 17:10:09,103 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 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 22 [2023-12-02 17:10:09,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:10:09,103 INFO L225 Difference]: With dead ends: 23 [2023-12-02 17:10:09,103 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:10:09,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-12-02 17:10:09,104 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:10:09,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 83 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 9 Unknown, 0 Unchecked, 18.5s Time] [2023-12-02 17:10:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:10:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:10:09,106 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 17:10:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:10:09,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-12-02 17:10:09,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:10:09,106 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:10:09,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 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 17:10:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:10:09,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:10:09,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:10:09,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 (6)] Ended with exit code 0 [2023-12-02 17:10:09,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/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 17:10:09,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:10:09,562 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 562 566) no Hoare annotation was computed. [2023-12-02 17:10:09,562 INFO L902 garLoopResultBuilder]: At program point L562-2(lines 562 566) the Hoare annotation is: true [2023-12-02 17:10:09,562 INFO L899 garLoopResultBuilder]: For program point L562-3(lines 559 567) no Hoare annotation was computed. [2023-12-02 17:10:09,562 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 571) no Hoare annotation was computed. [2023-12-02 17:10:09,562 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 539 572) the Hoare annotation is: true [2023-12-02 17:10:09,562 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 551) no Hoare annotation was computed. [2023-12-02 17:10:09,562 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 551) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L902 garLoopResultBuilder]: At program point L542-2(lines 542 546) the Hoare annotation is: true [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point L542-3(lines 542 546) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 539 572) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 550) no Hoare annotation was computed. [2023-12-02 17:10:09,563 INFO L899 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 539 572) no Hoare annotation was computed. [2023-12-02 17:10:09,564 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 70 88) no Hoare annotation was computed. [2023-12-02 17:10:09,564 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2023-12-02 17:10:09,564 INFO L902 garLoopResultBuilder]: At program point L77-1(lines 77 81) the Hoare annotation is: true [2023-12-02 17:10:09,564 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 88) the Hoare annotation is: true [2023-12-02 17:10:09,564 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 86) no Hoare annotation was computed. [2023-12-02 17:10:09,564 INFO L902 garLoopResultBuilder]: At program point L82-1(lines 82 86) the Hoare annotation is: true [2023-12-02 17:10:09,565 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2023-12-02 17:10:09,565 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 76) no Hoare annotation was computed. [2023-12-02 17:10:09,565 INFO L902 garLoopResultBuilder]: At program point L72-2(lines 72 76) the Hoare annotation is: true [2023-12-02 17:10:09,565 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 512 532) no Hoare annotation was computed. [2023-12-02 17:10:09,565 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 512 532) the Hoare annotation is: true [2023-12-02 17:10:09,565 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2023-12-02 17:10:09,565 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 524) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 519) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L895 garLoopResultBuilder]: At program point L515-2(lines 515 519) the Hoare annotation is: (= __kernel_sinf_~x |__kernel_sinf_#in~x|) [2023-12-02 17:10:09,566 INFO L899 garLoopResultBuilder]: For program point L515-3(lines 515 519) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 531) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 523) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L899 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 512 532) no Hoare annotation was computed. [2023-12-02 17:10:09,566 INFO L895 garLoopResultBuilder]: At program point L300-3(lines 300 304) the Hoare annotation is: false [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L300-4(lines 300 304) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 613) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L895 garLoopResultBuilder]: At program point L301-3(lines 301 302) the Hoare annotation is: false [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L301-4(lines 301 302) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-12-02 17:10:09,567 INFO L895 garLoopResultBuilder]: At program point L335-3(lines 335 336) the Hoare annotation is: false [2023-12-02 17:10:09,568 INFO L899 garLoopResultBuilder]: For program point L203(lines 178 348) no Hoare annotation was computed. [2023-12-02 17:10:09,568 INFO L899 garLoopResultBuilder]: For program point L335-4(lines 306 346) no Hoare annotation was computed. [2023-12-02 17:10:09,568 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 42) no Hoare annotation was computed. [2023-12-02 17:10:09,568 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2023-12-02 17:10:09,568 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2023-12-02 17:10:09,568 INFO L895 garLoopResultBuilder]: At program point L205-3(lines 205 209) the Hoare annotation is: false [2023-12-02 17:10:09,569 INFO L895 garLoopResultBuilder]: At program point L205-4(lines 205 209) the Hoare annotation is: false [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L437-2(lines 437 469) no Hoare annotation was computed. [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L437-4(lines 437 469) no Hoare annotation was computed. [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L239-1(lines 226 254) no Hoare annotation was computed. [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L471(lines 471 476) no Hoare annotation was computed. [2023-12-02 17:10:09,569 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 346) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 247) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L604(line 604) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 430) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-12-02 17:10:09,570 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: false [2023-12-02 17:10:09,570 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 429) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 616 634) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L895 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point L309-4(lines 309 310) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 48) no Hoare annotation was computed. [2023-12-02 17:10:09,571 INFO L895 garLoopResultBuilder]: At program point L607(line 607) the Hoare annotation is: false [2023-12-02 17:10:09,571 INFO L899 garLoopResultBuilder]: For program point L607-1(line 607) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 416) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 416) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L608(line 608) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 447) no Hoare annotation was computed. [2023-12-02 17:10:09,572 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 447) the Hoare annotation is: false [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 281) no Hoare annotation was computed. [2023-12-02 17:10:09,573 INFO L895 garLoopResultBuilder]: At program point L278-3(lines 278 281) the Hoare annotation is: false [2023-12-02 17:10:09,573 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: false [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L609-1(line 609) no Hoare annotation was computed. [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2023-12-02 17:10:09,573 INFO L899 garLoopResultBuilder]: For program point L313-2(line 313) no Hoare annotation was computed. [2023-12-02 17:10:09,574 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2023-12-02 17:10:09,574 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 148 152) the Hoare annotation is: false [2023-12-02 17:10:09,574 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: false [2023-12-02 17:10:09,574 INFO L899 garLoopResultBuilder]: For program point L611-1(line 611) no Hoare annotation was computed. [2023-12-02 17:10:09,574 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 482) no Hoare annotation was computed. [2023-12-02 17:10:09,574 INFO L899 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2023-12-02 17:10:09,574 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 54) no Hoare annotation was computed. [2023-12-02 17:10:09,575 INFO L895 garLoopResultBuilder]: At program point L50-1(lines 50 54) the Hoare annotation is: false [2023-12-02 17:10:09,575 INFO L899 garLoopResultBuilder]: For program point L50-2(lines 50 54) no Hoare annotation was computed. [2023-12-02 17:10:09,575 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 224) no Hoare annotation was computed. [2023-12-02 17:10:09,575 INFO L899 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed. [2023-12-02 17:10:09,575 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: false [2023-12-02 17:10:09,575 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed. [2023-12-02 17:10:09,575 INFO L895 garLoopResultBuilder]: At program point L283(line 283) the Hoare annotation is: false [2023-12-02 17:10:09,575 INFO L899 garLoopResultBuilder]: For program point L283-1(line 283) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L895 garLoopResultBuilder]: At program point L316-3(lines 316 317) the Hoare annotation is: false [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point L316-4(lines 316 317) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 468) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 468) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 291) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 252) no Hoare annotation was computed. [2023-12-02 17:10:09,576 INFO L895 garLoopResultBuilder]: At program point L284-2(lines 275 292) the Hoare annotation is: false [2023-12-02 17:10:09,576 INFO L899 garLoopResultBuilder]: For program point floor_float_returnLabel#1(lines 15 56) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L895 garLoopResultBuilder]: At program point L252(line 252) the Hoare annotation is: false [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L252-1(line 252) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L895 garLoopResultBuilder]: At program point L153-1(lines 153 157) the Hoare annotation is: false [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 153 157) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 188) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L187-2(lines 187 188) no Hoare annotation was computed. [2023-12-02 17:10:09,577 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 614) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L895 garLoopResultBuilder]: At program point L485-2(lines 485 489) the Hoare annotation is: false [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L485-3(lines 485 489) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 224) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L895 garLoopResultBuilder]: At program point L320-3(lines 320 321) the Hoare annotation is: false [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L320-4(lines 320 321) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2023-12-02 17:10:09,578 INFO L899 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 224) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 178 348) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L223-2(lines 178 348) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L25(lines 25 49) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2023-12-02 17:10:09,579 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 459) the Hoare annotation is: false [2023-12-02 17:10:09,579 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 459) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 43) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L588-1(lines 588 592) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L895 garLoopResultBuilder]: At program point L588-2(lines 588 592) the Hoare annotation is: (= |ULTIMATE.start_sin_float_~x#1| (_ +zero 8 24)) [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L588-3(lines 588 592) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L324(line 324) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L895 garLoopResultBuilder]: At program point L258-3(lines 258 259) the Hoare annotation is: false [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L258-4(lines 256 273) no Hoare annotation was computed. [2023-12-02 17:10:09,580 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 33) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L895 garLoopResultBuilder]: At program point L490-3(lines 490 493) the Hoare annotation is: false [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point L490-4(lines 490 493) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point L226(lines 178 348) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L895 garLoopResultBuilder]: At program point L325-3(lines 325 329) the Hoare annotation is: false [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point L325-4(lines 325 329) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point __ieee754_rem_pio2f_returnLabel#1(lines 389 505) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L895 garLoopResultBuilder]: At program point L193-3(lines 193 194) the Hoare annotation is: false [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point L193-4(lines 193 194) no Hoare annotation was computed. [2023-12-02 17:10:09,581 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 32) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 61 65) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 65) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_float_~x#1| (_ +zero 8 24)) |ULTIMATE.start_main_#t~short131#1| (= |ULTIMATE.start_sin_float_#res#1| (_ +zero 8 24)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 8 24))) [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L61-3(lines 61 65) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 261 262) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L895 garLoopResultBuilder]: At program point L261-4(lines 261 262) the Hoare annotation is: false [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L261-5(lines 261 262) no Hoare annotation was computed. [2023-12-02 17:10:09,582 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L895 garLoopResultBuilder]: At program point L295-3(lines 295 298) the Hoare annotation is: false [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 229 238) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L295-4(lines 295 298) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L895 garLoopResultBuilder]: At program point L229-3(lines 229 238) the Hoare annotation is: false [2023-12-02 17:10:09,583 INFO L895 garLoopResultBuilder]: At program point L196-3(lines 196 200) the Hoare annotation is: false [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L229-4(lines 226 254) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L196-4(lines 196 200) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 467) no Hoare annotation was computed. [2023-12-02 17:10:09,583 INFO L899 garLoopResultBuilder]: For program point L395-1(lines 395 399) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L895 garLoopResultBuilder]: At program point L395-2(lines 395 399) the Hoare annotation is: false [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point L395-3(lines 395 399) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L895 garLoopResultBuilder]: At program point L197-3(lines 197 198) the Hoare annotation is: false [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point L197-4(lines 197 198) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L895 garLoopResultBuilder]: At program point L330-3(lines 330 334) the Hoare annotation is: false [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point L330-4(lines 330 334) no Hoare annotation was computed. [2023-12-02 17:10:09,584 INFO L895 garLoopResultBuilder]: At program point L264-3(lines 264 269) the Hoare annotation is: false [2023-12-02 17:10:09,584 INFO L899 garLoopResultBuilder]: For program point L264-4(lines 264 269) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 613) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L628-2(lines 628 631) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 496 497) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L895 garLoopResultBuilder]: At program point L496-3(lines 496 497) the Hoare annotation is: false [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L496-4(lines 496 497) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 235) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2023-12-02 17:10:09,585 INFO L895 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: (and (= (_ +zero 8 24) (fp ((_ extract 31 31) |ULTIMATE.start_sin_float_~ix~7#1|) ((_ extract 30 23) |ULTIMATE.start_sin_float_~ix~7#1|) ((_ extract 22 0) |ULTIMATE.start_sin_float_~ix~7#1|))) (= |ULTIMATE.start_sin_float_~x#1| (_ +zero 8 24))) [2023-12-02 17:10:09,586 INFO L899 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2023-12-02 17:10:09,586 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 477) no Hoare annotation was computed. [2023-12-02 17:10:09,586 INFO L895 garLoopResultBuilder]: At program point L266-3(lines 266 267) the Hoare annotation is: false [2023-12-02 17:10:09,586 INFO L899 garLoopResultBuilder]: For program point L266-4(lines 266 267) no Hoare annotation was computed. [2023-12-02 17:10:09,586 INFO L902 garLoopResultBuilder]: At program point L122(line 122) the Hoare annotation is: true [2023-12-02 17:10:09,586 INFO L899 garLoopResultBuilder]: For program point L122-1(line 122) no Hoare annotation was computed. [2023-12-02 17:10:09,586 INFO L902 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: true [2023-12-02 17:10:09,586 INFO L899 garLoopResultBuilder]: For program point L135-1(line 135) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 136) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L902 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: true [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 130) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2023-12-02 17:10:09,587 INFO L902 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: true [2023-12-02 17:10:09,587 INFO L899 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 94 144) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 108) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 135) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L902 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L899 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 94 144) no Hoare annotation was computed. [2023-12-02 17:10:09,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 144) the Hoare annotation is: true [2023-12-02 17:10:09,589 INFO L902 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: true [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L133-1(line 133) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 119) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L109-2(lines 109 119) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 106) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2023-12-02 17:10:09,589 INFO L902 garLoopResultBuilder]: At program point L138-2(lines 138 142) the Hoare annotation is: true [2023-12-02 17:10:09,589 INFO L899 garLoopResultBuilder]: For program point L138-3(lines 138 142) no Hoare annotation was computed. [2023-12-02 17:10:09,592 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 17:10:09,594 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:10:09,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 17:10:09,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 17:10:09,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated [2023-12-02 17:10:09,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 17:10:09,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~res~0 [2023-12-02 17:10:09,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-02 17:10:09,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:10:09 BoogieIcfgContainer [2023-12-02 17:10:09,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:10:09,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:10:09,608 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:10:09,609 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:10:09,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:59" (3/4) ... [2023-12-02 17:10:09,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:10:09,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2023-12-02 17:10:09,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2023-12-02 17:10:09,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2023-12-02 17:10:09,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2023-12-02 17:10:09,636 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2023-12-02 17:10:09,638 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-02 17:10:09,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 17:10:09,642 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:10:09,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2023-12-02 17:10:09,828 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x)) [2023-12-02 17:10:09,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:10:09,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:10:09,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:10:09,906 INFO L158 Benchmark]: Toolchain (without parser) took 172090.06ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 32.8MB in the end (delta: 30.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,906 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:10:09,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.80ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 57.2MB in the end (delta: 6.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.64ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 49.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,908 INFO L158 Benchmark]: Boogie Preprocessor took 112.79ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 41.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,908 INFO L158 Benchmark]: RCFGBuilder took 40466.75ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 30.2MB in the end (delta: 11.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,908 INFO L158 Benchmark]: TraceAbstraction took 130586.77ms. Allocated memory is still 88.1MB. Free memory was 29.7MB in the beginning and 24.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,909 INFO L158 Benchmark]: Witness Printer took 297.19ms. Allocated memory is still 88.1MB. Free memory was 24.6MB in the beginning and 32.8MB in the end (delta: -8.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:10:09,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.80ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 57.2MB in the end (delta: 6.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.64ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 49.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.79ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 41.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 40466.75ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 30.2MB in the end (delta: 11.4MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 130586.77ms. Allocated memory is still 88.1MB. Free memory was 29.7MB in the beginning and 24.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 297.19ms. Allocated memory is still 88.1MB. Free memory was 24.6MB in the beginning and 32.8MB in the end (delta: -8.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short131 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~res~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 * 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: 629]: 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, 222 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 130.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 117.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 54 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 116.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 606 SdHoareTripleChecker+Invalid, 115.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 356 mSDtfsCounter, 204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 152 PreInvPairs, 156 NumberOfFragments, 83 HoareAnnotationTreeSize, 152 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 75 ConstructedInterpolants, 5 QuantifiedInterpolants, 284 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1894 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (x == \old(x)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 17:10:10,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d68735e4-b127-49c2-8188-e6bbaa9177c0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE