./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.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_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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_1c2ed240-43e6-4d17-8916-cff099584136/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 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:01:04,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:01:04,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:01:04,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:01:04,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:01:04,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:01:04,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:01:04,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:01:04,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:01:04,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:01:04,248 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:01:04,248 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:01:04,249 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:01:04,249 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:01:04,250 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:01:04,250 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:01:04,251 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:01:04,251 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:01:04,251 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:01:04,252 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:01:04,253 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:01:04,253 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:01:04,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:01:04,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:01:04,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:01:04,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:01:04,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:01:04,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:01:04,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:01:04,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:01:04,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:01:04,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:01:04,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:01:04,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:01:04,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:01:04,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:01:04,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:01:04,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:04,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:01:04,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:01:04,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:01:04,260 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:01:04,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:01:04,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:01:04,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:01:04,261 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:01:04,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:01:04,262 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_1c2ed240-43e6-4d17-8916-cff099584136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 [2023-12-02 15:01:04,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:01:04,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:01:04,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:01:04,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:01:04,501 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:01:04,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2023-12-02 15:01:07,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:01:07,474 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:01:07,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2023-12-02 15:01:07,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/75563ca2a/0f0c81cb7bc94b7fa82b9b26f247cbe6/FLAG8056c76b5 [2023-12-02 15:01:07,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/75563ca2a/0f0c81cb7bc94b7fa82b9b26f247cbe6 [2023-12-02 15:01:07,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:01:07,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:01:07,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:07,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:01:07,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:01:07,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231bbce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07, skipping insertion in model container [2023-12-02 15:01:07,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:01:07,757 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_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2023-12-02 15:01:07,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:07,774 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:01:07,821 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_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2023-12-02 15:01:07,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:07,841 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:01:07,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07 WrapperNode [2023-12-02 15:01:07,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:07,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:07,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:01:07,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:01:07,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,894 INFO L138 Inliner]: procedures = 20, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 334 [2023-12-02 15:01:07,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:07,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:01:07,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:01:07,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:01:07,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:01:07,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:01:07,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:01:07,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:01:07,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (1/1) ... [2023-12-02 15:01:07,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:07,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:01:07,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:01:07,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:01:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:01:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:01:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:01:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 15:01:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:01:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-12-02 15:01:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-12-02 15:01:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 15:01:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-12-02 15:01:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-12-02 15:01:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:01:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:01:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:01:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 15:01:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:01:08,109 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:01:08,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:01:08,561 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:01:08,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:01:08,753 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-12-02 15:01:08,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:08 BoogieIcfgContainer [2023-12-02 15:01:08,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:01:08,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:01:08,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:01:08,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:01:08,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:07" (1/3) ... [2023-12-02 15:01:08,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565d2ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:08, skipping insertion in model container [2023-12-02 15:01:08,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:07" (2/3) ... [2023-12-02 15:01:08,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565d2ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:08, skipping insertion in model container [2023-12-02 15:01:08,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:08" (3/3) ... [2023-12-02 15:01:08,764 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2023-12-02 15:01:08,782 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:01:08,783 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:01:08,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:01:08,838 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;@1badd8b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:01:08,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:01:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 68 states have internal predecessors, (114), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:01:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 15:01:08,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:01:08,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:01:08,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:01:08,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:01:08,857 INFO L85 PathProgramCache]: Analyzing trace with hash 662025262, now seen corresponding path program 1 times [2023-12-02 15:01:08,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:01:08,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422575413] [2023-12-02 15:01:08,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:01:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:01:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:01:09,076 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 15:01:09,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:01:09,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422575413] [2023-12-02 15:01:09,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422575413] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:01:09,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:01:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:01:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086593448] [2023-12-02 15:01:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:01:09,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:01:09,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:01:09,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:01:09,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:01:09,115 INFO L87 Difference]: Start difference. First operand has 75 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 68 states have internal predecessors, (114), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:01:09,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:01:09,326 INFO L93 Difference]: Finished difference Result 149 states and 247 transitions. [2023-12-02 15:01:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:01:09,328 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-02 15:01:09,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:01:09,336 INFO L225 Difference]: With dead ends: 149 [2023-12-02 15:01:09,336 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 15:01:09,340 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 15:01:09,343 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:01:09,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:01:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 15:01:09,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-02 15:01:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 66 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:01:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2023-12-02 15:01:09,381 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 10 [2023-12-02 15:01:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:01:09,382 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2023-12-02 15:01:09,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:01:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-12-02 15:01:09,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 15:01:09,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:01:09,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:01:09,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:01:09,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:01:09,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:01:09,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1358711611, now seen corresponding path program 1 times [2023-12-02 15:01:09,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:01:09,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182835123] [2023-12-02 15:01:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:01:09,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:01:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:01:09,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:01:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:01:09,727 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:01:09,728 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:01:09,738 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:01:09,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:01:09,743 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:01:09,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:01:09,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated [2023-12-02 15:01:09,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-12-02 15:01:09,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated [2023-12-02 15:01:09,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated [2023-12-02 15:01:09,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated [2023-12-02 15:01:09,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-12-02 15:01:09,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:09 BoogieIcfgContainer [2023-12-02 15:01:09,785 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:01:09,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:01:09,786 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:01:09,786 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:01:09,786 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:08" (3/4) ... [2023-12-02 15:01:09,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:01:09,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:01:09,790 INFO L158 Benchmark]: Toolchain (without parser) took 2288.44ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 112.2MB in the beginning and 155.7MB in the end (delta: -43.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:01:09,791 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:01:09,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.89ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 97.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:01:09,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.90ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 93.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:01:09,793 INFO L158 Benchmark]: Boogie Preprocessor took 48.86ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 91.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:01:09,793 INFO L158 Benchmark]: RCFGBuilder took 810.36ms. Allocated memory is still 157.3MB. Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-02 15:01:09,794 INFO L158 Benchmark]: TraceAbstraction took 1027.38ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 74.4MB in the beginning and 155.7MB in the end (delta: -81.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-02 15:01:09,794 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 192.9MB. Free memory is still 155.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:01:09,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.89ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 97.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.90ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 93.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.86ms. Allocated memory is still 157.3MB. Free memory was 93.9MB in the beginning and 91.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 810.36ms. Allocated memory is still 157.3MB. Free memory was 91.3MB in the beginning and 75.1MB in the end (delta: 16.1MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1027.38ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 74.4MB in the beginning and 155.7MB in the end (delta: -81.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 192.9MB. Free memory is still 155.7MB. 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~nondet30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 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: 270]: 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 bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 269. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L265] double x = 0.0; [L266] double y = -0.0; [L267] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] EXPR ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] EXPR (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] EXPR (lx) = ew_u.parts.lsw [L149-L154] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L155] ix = hx & 0x7fffffff VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, ix=2147483647, lx=-2147483648, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] EXPR ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] EXPR (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] EXPR (ly) = ew_u.parts.lsw [L156-L161] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, hy=2147483647, ix=2147483647, lx=-2147483648, ly=-4294967297, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, hy=2147483647, ix=2147483647, iy=2147483647, lx=-2147483648, ly=-4294967297, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=0, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, hy=2147483647, ix=2147483647, iy=2147483647, lx=-2147483648, ly=-4294967297, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L267] RET, EXPR __ieee754_atan2(y, x) [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L269] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L270] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 87 mSDtfsCounter, 16 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=75occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:01:09,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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_1c2ed240-43e6-4d17-8916-cff099584136/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 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:01:11,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:01:11,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:01:11,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:01:11,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:01:11,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:01:11,851 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:01:11,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:01:11,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:01:11,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:01:11,853 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:01:11,854 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:01:11,854 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:01:11,855 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:01:11,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:01:11,856 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:01:11,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:01:11,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:01:11,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:01:11,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:01:11,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:01:11,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:01:11,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:01:11,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:01:11,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:01:11,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:01:11,860 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:01:11,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:01:11,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:01:11,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:01:11,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:01:11,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:01:11,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:01:11,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:01:11,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:11,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:01:11,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:01:11,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:01:11,864 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:01:11,864 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:01:11,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:01:11,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:01:11,865 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:01:11,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:01:11,865 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_1c2ed240-43e6-4d17-8916-cff099584136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40bc7e118f55cfc29397a8e6529bad01c3e4aa07baf99649523fc425df054449 [2023-12-02 15:01:12,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:01:12,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:01:12,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:01:12,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:01:12,191 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:01:12,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2023-12-02 15:01:14,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:01:15,126 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:01:15,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c [2023-12-02 15:01:15,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/e74c3900a/8c3a7cd2b7f54c99836290b8cd5bffb0/FLAGc98757ede [2023-12-02 15:01:15,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/data/e74c3900a/8c3a7cd2b7f54c99836290b8cd5bffb0 [2023-12-02 15:01:15,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:01:15,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:01:15,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:15,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:01:15,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:01:15,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de428bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15, skipping insertion in model container [2023-12-02 15:01:15,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:01:15,405 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_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2023-12-02 15:01:15,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:15,426 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:01:15,492 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_1c2ed240-43e6-4d17-8916-cff099584136/sv-benchmarks/c/float-newlib/double_req_bl_0681b.c[6391,6404] [2023-12-02 15:01:15,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:01:15,537 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:01:15,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15 WrapperNode [2023-12-02 15:01:15,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:01:15,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:15,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:01:15,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:01:15,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,593 INFO L138 Inliner]: procedures = 23, calls = 92, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 246 [2023-12-02 15:01:15,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:01:15,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:01:15,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:01:15,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:01:15,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:01:15,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:01:15,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:01:15,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:01:15,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (1/1) ... [2023-12-02 15:01:15,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:01:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:01:15,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:01:15,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:01:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:01:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 15:01:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 15:01:15,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:01:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:01:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2023-12-02 15:01:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2023-12-02 15:01:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 15:01:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2023-12-02 15:01:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2023-12-02 15:01:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 15:01:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:01:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:01:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 15:01:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:01:15,822 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:01:15,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:01:37,609 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:01:37,659 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:01:37,659 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-12-02 15:01:37,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:37 BoogieIcfgContainer [2023-12-02 15:01:37,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:01:37,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:01:37,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:01:37,665 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:01:37,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:15" (1/3) ... [2023-12-02 15:01:37,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c515372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:37, skipping insertion in model container [2023-12-02 15:01:37,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:15" (2/3) ... [2023-12-02 15:01:37,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c515372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:37, skipping insertion in model container [2023-12-02 15:01:37,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:37" (3/3) ... [2023-12-02 15:01:37,668 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681b.c [2023-12-02 15:01:37,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:01:37,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:01:37,723 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:01:37,729 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;@5b893dec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:01:37,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:01:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 76 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:01:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 15:01:37,738 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:01:37,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:01:37,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:01:37,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:01:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1758068324, now seen corresponding path program 1 times [2023-12-02 15:01:37,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:01:37,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651808160] [2023-12-02 15:01:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:01:37,755 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 15:01:37,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:01:37,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:37,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:01:38,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:01:38,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:01:38,155 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 15:01:38,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:01:38,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:01:38,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651808160] [2023-12-02 15:01:38,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651808160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:01:38,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:01:38,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:01:38,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961153860] [2023-12-02 15:01:38,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:01:38,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:01:38,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:01:38,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:01:38,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:01:38,194 INFO L87 Difference]: Start difference. First operand has 83 states, 75 states have (on average 1.7466666666666666) internal successors, (131), 76 states have internal predecessors, (131), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:01:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:01:38,390 INFO L93 Difference]: Finished difference Result 165 states and 281 transitions. [2023-12-02 15:01:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:01:38,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-12-02 15:01:38,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:01:38,400 INFO L225 Difference]: With dead ends: 165 [2023-12-02 15:01:38,401 INFO L226 Difference]: Without dead ends: 81 [2023-12-02 15:01:38,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 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 15:01:38,407 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:01:38,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:01:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-02 15:01:38,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-02 15:01:38,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:01:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2023-12-02 15:01:38,445 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 10 [2023-12-02 15:01:38,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:01:38,445 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2023-12-02 15:01:38,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:01:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2023-12-02 15:01:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 15:01:38,447 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:01:38,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:01:38,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:38,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:38,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:01:38,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:01:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -288491725, now seen corresponding path program 1 times [2023-12-02 15:01:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:01:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815840293] [2023-12-02 15:01:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:01:38,650 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 15:01:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:01:38,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:38,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:01:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:01:39,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 15:01:39,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:01:39,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-02 15:01:40,491 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 18 treesize of output 10 [2023-12-02 15:01:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:01:41,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:01:41,517 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:01:41,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815840293] [2023-12-02 15:01:41,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815840293] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:01:41,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:01:41,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:01:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641298971] [2023-12-02 15:01:41,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:01:41,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:01:41,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:01:41,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:01:41,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:01:41,521 INFO L87 Difference]: Start difference. First operand 81 states and 118 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:01:49,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:01:51,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:01:54,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:01:56,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:02:00,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:02:01,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:01,028 INFO L93 Difference]: Finished difference Result 134 states and 189 transitions. [2023-12-02 15:02:01,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:02:01,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-02 15:02:01,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:01,031 INFO L225 Difference]: With dead ends: 134 [2023-12-02 15:02:01,031 INFO L226 Difference]: Without dead ends: 72 [2023-12-02 15:02:01,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:02:01,034 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 122 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:01,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 344 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 96 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2023-12-02 15:02:01,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-02 15:02:01,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-02 15:02:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 65 states have internal predecessors, (89), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:02:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2023-12-02 15:02:01,050 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 12 [2023-12-02 15:02:01,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:01,050 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2023-12-02 15:02:01,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-12-02 15:02:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 15:02:01,052 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:01,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:01,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:02:01,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:01,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:01,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash -554287734, now seen corresponding path program 1 times [2023-12-02 15:02:01,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:01,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172050902] [2023-12-02 15:02:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:01,254 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 15:02:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:01,255 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:01,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:01,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 15:02:01,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:03,030 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 15:02:03,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:03,031 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:03,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172050902] [2023-12-02 15:02:03,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172050902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:03,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:03,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:02:03,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301310332] [2023-12-02 15:02:03,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:03,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:02:03,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:03,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:02:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:02:03,035 INFO L87 Difference]: Start difference. First operand 72 states and 97 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:06,149 INFO L93 Difference]: Finished difference Result 127 states and 170 transitions. [2023-12-02 15:02:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:02:06,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 15:02:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:06,151 INFO L225 Difference]: With dead ends: 127 [2023-12-02 15:02:06,151 INFO L226 Difference]: Without dead ends: 72 [2023-12-02 15:02:06,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:02:06,153 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 113 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:06,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 228 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 15:02:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-12-02 15:02:06,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-12-02 15:02:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.353846153846154) internal successors, (88), 65 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:02:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 96 transitions. [2023-12-02 15:02:06,166 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 96 transitions. Word has length 15 [2023-12-02 15:02:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:06,167 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 96 transitions. [2023-12-02 15:02:06,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-12-02 15:02:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 15:02:06,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:06,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:06,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:02:06,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:06,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:06,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:06,370 INFO L85 PathProgramCache]: Analyzing trace with hash -775549012, now seen corresponding path program 1 times [2023-12-02 15:02:06,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:06,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369793499] [2023-12-02 15:02:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:06,371 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 15:02:06,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:06,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:06,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:06,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 15:02:06,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:07,894 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 15:02:07,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:07,894 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:07,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369793499] [2023-12-02 15:02:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369793499] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:07,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:07,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:02:07,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261580944] [2023-12-02 15:02:07,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:07,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:02:07,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:07,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:02:07,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:02:07,897 INFO L87 Difference]: Start difference. First operand 72 states and 96 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:11,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:11,340 INFO L93 Difference]: Finished difference Result 132 states and 177 transitions. [2023-12-02 15:02:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:02:11,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-02 15:02:11,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:11,342 INFO L225 Difference]: With dead ends: 132 [2023-12-02 15:02:11,343 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 15:02:11,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-02 15:02:11,344 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 104 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:11,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 299 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 15:02:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 15:02:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2023-12-02 15:02:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:02:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2023-12-02 15:02:11,354 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 17 [2023-12-02 15:02:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:11,354 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2023-12-02 15:02:11,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-12-02 15:02:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 15:02:11,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:11,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:11,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:11,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:11,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:11,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:11,556 INFO L85 PathProgramCache]: Analyzing trace with hash 999458350, now seen corresponding path program 1 times [2023-12-02 15:02:11,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:11,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240573970] [2023-12-02 15:02:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:11,557 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 15:02:11,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:11,558 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:11,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:11,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 15:02:11,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:12,666 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 15:02:12,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:12,666 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:12,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240573970] [2023-12-02 15:02:12,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240573970] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:12,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:12,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:02:12,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766507048] [2023-12-02 15:02:12,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:12,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:02:12,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:12,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:02:12,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:02:12,669 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:16,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:02:16,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:16,781 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2023-12-02 15:02:16,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:02:16,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-12-02 15:02:16,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:16,784 INFO L225 Difference]: With dead ends: 83 [2023-12-02 15:02:16,784 INFO L226 Difference]: Without dead ends: 80 [2023-12-02 15:02:16,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:02:16,785 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 42 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:16,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 295 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-02 15:02:16,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-02 15:02:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2023-12-02 15:02:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 15:02:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 96 transitions. [2023-12-02 15:02:16,799 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 96 transitions. Word has length 17 [2023-12-02 15:02:16,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:16,799 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 96 transitions. [2023-12-02 15:02:16,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 15:02:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-12-02 15:02:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 15:02:16,801 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:16,801 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 15:02:16,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:17,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:17,002 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:17,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:17,002 INFO L85 PathProgramCache]: Analyzing trace with hash 352544147, now seen corresponding path program 1 times [2023-12-02 15:02:17,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:17,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904669538] [2023-12-02 15:02:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:17,003 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 15:02:17,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:17,004 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 (7)] Waiting until timeout for monitored process [2023-12-02 15:02:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:17,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 15:02:17,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:17,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-02 15:02:18,416 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 16 treesize of output 8 [2023-12-02 15:02:20,321 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 15:02:20,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:20,322 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:20,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904669538] [2023-12-02 15:02:20,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904669538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:20,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:20,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:02:20,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383539243] [2023-12-02 15:02:20,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:20,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:02:20,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:20,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:02:20,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:02:20,324 INFO L87 Difference]: Start difference. First operand 74 states and 96 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 15:02:23,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:23,098 INFO L93 Difference]: Finished difference Result 80 states and 101 transitions. [2023-12-02 15:02:23,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:02:23,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2023-12-02 15:02:23,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:23,099 INFO L225 Difference]: With dead ends: 80 [2023-12-02 15:02:23,100 INFO L226 Difference]: Without dead ends: 21 [2023-12-02 15:02:23,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:02:23,101 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:23,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 15:02:23,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-02 15:02:23,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-02 15:02:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 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 15:02:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2023-12-02 15:02:23,105 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 19 [2023-12-02 15:02:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:23,105 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2023-12-02 15:02:23,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 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 15:02:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2023-12-02 15:02:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 15:02:23,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:02:23,106 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 15:02:23,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 (7)] Ended with exit code 0 [2023-12-02 15:02:23,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:23,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:02:23,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:02:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1647938522, now seen corresponding path program 1 times [2023-12-02 15:02:23,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:02:23,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2064334113] [2023-12-02 15:02:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:02:23,308 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 15:02:23,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:02:23,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:23,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 (8)] Waiting until timeout for monitored process [2023-12-02 15:02:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:02:23,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 15:02:23,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:02:25,494 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 15:02:25,494 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:02:25,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:02:25,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2064334113] [2023-12-02 15:02:25,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2064334113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:02:25,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:02:25,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 15:02:25,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183501826] [2023-12-02 15:02:25,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:02:25,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:02:25,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:02:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:02:25,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:02:25,497 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 15:02:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:02:26,955 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2023-12-02 15:02:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:02:26,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 20 [2023-12-02 15:02:26,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:02:26,957 INFO L225 Difference]: With dead ends: 21 [2023-12-02 15:02:26,957 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 15:02:26,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:02:26,958 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 15 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:02:26,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 62 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 15:02:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 15:02:26,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 15:02:26,959 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 15:02:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 15:02:26,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-12-02 15:02:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:02:26,960 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 15:02:26,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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 15:02:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 15:02:26,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 15:02:26,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:02:26,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 (8)] Ended with exit code 0 [2023-12-02 15:02:27,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/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 15:02:27,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 15:02:27,953 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2023-12-02 15:02:27,953 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 26 31) the Hoare annotation is: true [2023-12-02 15:02:27,953 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2023-12-02 15:02:27,953 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2023-12-02 15:02:27,954 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-12-02 15:02:27,954 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2023-12-02 15:02:27,954 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 19 33) the Hoare annotation is: true [2023-12-02 15:02:27,954 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-12-02 15:02:27,954 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-12-02 15:02:27,954 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2023-12-02 15:02:27,954 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2023-12-02 15:02:27,955 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2023-12-02 15:02:27,956 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 66 134) the Hoare annotation is: true [2023-12-02 15:02:27,956 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2023-12-02 15:02:27,957 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L269-2(lines 269 272) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2023-12-02 15:02:27,958 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2023-12-02 15:02:27,959 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-12-02 15:02:27,959 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2023-12-02 15:02:27,960 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2023-12-02 15:02:27,960 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2023-12-02 15:02:27,960 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_atan2_~y#1| (fp.neg (_ +zero 11 53))) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_43| (_ BitVec 64))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15|) (_ bv4 32)))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_43|) .cse0) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_43|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_43|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_43|))) (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| .cse0)))) (exists ((|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_27| (_ BitVec 64))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10|) (_ bv4 32)))) (and (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse1)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_27|) .cse1) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_27|)))))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~x#1|)) [2023-12-02 15:02:27,960 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2023-12-02 15:02:27,960 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2023-12-02 15:02:27,961 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 258 274) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 244) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 15:02:27,962 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L895 garLoopResultBuilder]: At program point L231-1(lines 231 236) the Hoare annotation is: false [2023-12-02 15:02:27,963 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2023-12-02 15:02:27,963 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_atan2_~y#1| (fp.neg (_ +zero 11 53))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_atan2_~x#1|)) [2023-12-02 15:02:27,964 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2023-12-02 15:02:27,964 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2023-12-02 15:02:27,964 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2023-12-02 15:02:27,964 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 249 253) no Hoare annotation was computed. [2023-12-02 15:02:27,964 INFO L895 garLoopResultBuilder]: At program point L249-2(lines 249 253) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_atan2_#res#1| .cse0) |ULTIMATE.start_main_#t~short42#1| (= .cse0 |ULTIMATE.start___signbit_double_~x#1|) (= |ULTIMATE.start_main_~res~0#1| .cse0))) [2023-12-02 15:02:27,964 INFO L899 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2023-12-02 15:02:27,964 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2023-12-02 15:02:27,965 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2023-12-02 15:02:27,968 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:02:27,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:02:27,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_43 : bv64 :: (v_skolemized_q#valueAsBitvector_43[63:32] == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15][4bv32] && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_43[63:63], v_skolemized_q#valueAsBitvector_43[62:52], v_skolemized_q#valueAsBitvector_43[51:0])) && ~hx~1 == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15][4bv32]) could not be translated [2023-12-02 15:02:27,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_27 : bv64 :: (~ix~1 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10][4bv32]) && v_skolemized_q#valueAsBitvector_27[63:32] == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10][4bv32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_27[63:63], v_skolemized_q#valueAsBitvector_27[62:52], v_skolemized_q#valueAsBitvector_27[51:0])) could not be translated [2023-12-02 15:02:27,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-12-02 15:02:27,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~res~0 [2023-12-02 15:02:27,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-02 15:02:27,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:02:27 BoogieIcfgContainer [2023-12-02 15:02:27,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:02:27,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:02:27,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:02:27,985 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:02:27,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:37" (3/4) ... [2023-12-02 15:02:27,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 15:02:27,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2023-12-02 15:02:27,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2023-12-02 15:02:27,999 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-02 15:02:28,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 15:02:28,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 15:02:28,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 15:02:28,114 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 15:02:28,115 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 15:02:28,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:02:28,115 INFO L158 Benchmark]: Toolchain (without parser) took 72960.69ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.7MB in the beginning and 27.4MB in the end (delta: 20.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,116 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:02:28,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.54ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 65.8MB in the end (delta: -18.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.57ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,117 INFO L158 Benchmark]: Boogie Preprocessor took 54.85ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,118 INFO L158 Benchmark]: RCFGBuilder took 22010.53ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 45.8MB in the end (delta: 14.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,118 INFO L158 Benchmark]: TraceAbstraction took 50322.00ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 35.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,118 INFO L158 Benchmark]: Witness Printer took 129.63ms. Allocated memory is still 88.1MB. Free memory was 35.1MB in the beginning and 27.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:02:28,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.54ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 65.8MB in the end (delta: -18.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.57ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 63.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.85ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 60.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 22010.53ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 45.8MB in the end (delta: 14.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 50322.00ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 35.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 129.63ms. Allocated memory is still 88.1MB. Free memory was 35.1MB in the beginning and 27.4MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. 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~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15 : bv32, v_skolemized_q#valueAsBitvector_43 : bv64 :: (v_skolemized_q#valueAsBitvector_43[63:32] == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15][4bv32] && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_43[63:63], v_skolemized_q#valueAsBitvector_43[62:52], v_skolemized_q#valueAsBitvector_43[51:0])) && ~hx~1 == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_15][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_27 : bv64 :: (~ix~1 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10][4bv32]) && v_skolemized_q#valueAsBitvector_27[63:32] == #memory_int[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_10][4bv32]) && ~Pluszero~64() == ~fp~64(v_skolemized_q#valueAsBitvector_27[63:63], v_skolemized_q#valueAsBitvector_27[62:52], v_skolemized_q#valueAsBitvector_27[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~res~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * 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: 270]: 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 3 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 29.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 1384 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 926 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 458 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 66 PreInvPairs, 69 NumberOfFragments, 96 HoareAnnotationTreeSize, 66 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 28 QuantifiedInterpolants, 954 SizeOfPredicates, 52 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 149]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-02 15:02:28,335 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 15:02:28,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ed240-43e6-4d17-8916-cff099584136/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE