./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:34,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:34,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:53:34,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:34,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:34,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:34,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:34,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:34,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:34,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:34,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:34,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:34,996 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:34,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:34,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:34,998 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:34,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:34,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:35,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:35,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:35,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:35,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:35,002 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:35,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:35,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:35,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:35,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:35,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:35,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:35,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:35,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:35,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:35,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:35,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:35,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:35,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:35,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:35,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:35,010 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:35,010 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab [2023-11-06 22:53:35,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:35,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:35,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:35,379 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:35,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:35,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2023-11-06 22:53:38,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:38,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:38,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2023-11-06 22:53:39,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/a5be3aad0/bc75de2c64e340ce810a2a906e5785f4/FLAGa9e276fbf [2023-11-06 22:53:39,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/a5be3aad0/bc75de2c64e340ce810a2a906e5785f4 [2023-11-06 22:53:39,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:39,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:39,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:39,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:39,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:39,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17462496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39, skipping insertion in model container [2023-11-06 22:53:39,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:39,313 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c[3884,3897] [2023-11-06 22:53:39,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:39,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:39,391 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c[3884,3897] [2023-11-06 22:53:39,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:39,424 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:39,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39 WrapperNode [2023-11-06 22:53:39,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:39,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:39,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:39,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:39,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,515 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 430 [2023-11-06 22:53:39,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:39,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:39,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:39,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:39,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:39,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:39,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:39,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:39,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (1/1) ... [2023-11-06 22:53:39,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:39,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:39,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:39,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:53:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:53:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:53:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:53:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:53:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:53:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-06 22:53:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:53:39,861 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:39,863 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:40,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:40,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:40,663 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-06 22:53:40,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:40 BoogieIcfgContainer [2023-11-06 22:53:40,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:40,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:40,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:40,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:40,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:39" (1/3) ... [2023-11-06 22:53:40,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68885d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:40, skipping insertion in model container [2023-11-06 22:53:40,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:39" (2/3) ... [2023-11-06 22:53:40,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68885d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:40, skipping insertion in model container [2023-11-06 22:53:40,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:40" (3/3) ... [2023-11-06 22:53:40,677 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2023-11-06 22:53:40,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:40,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:40,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:40,775 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a359d5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:40,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.7606837606837606) internal successors, (206), 118 states have internal predecessors, (206), 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) [2023-11-06 22:53:40,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 22:53:40,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:40,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:40,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:40,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:40,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1639064733, now seen corresponding path program 1 times [2023-11-06 22:53:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:40,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191272960] [2023-11-06 22:53:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:40,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:41,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:53:41,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191272960] [2023-11-06 22:53:41,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191272960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:41,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:41,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:41,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414550225] [2023-11-06 22:53:41,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:41,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:53:41,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:53:41,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:53:41,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:41,120 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.7606837606837606) internal successors, (206), 118 states have internal predecessors, (206), 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) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-11-06 22:53:41,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:41,184 INFO L93 Difference]: Finished difference Result 236 states and 410 transitions. [2023-11-06 22:53:41,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:53:41,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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 [2023-11-06 22:53:41,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:41,201 INFO L225 Difference]: With dead ends: 236 [2023-11-06 22:53:41,201 INFO L226 Difference]: Without dead ends: 116 [2023-11-06 22:53:41,205 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 [2023-11-06 22:53:41,210 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:41,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:41,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-06 22:53:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-11-06 22:53:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.617391304347826) internal successors, (186), 115 states have internal predecessors, (186), 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) [2023-11-06 22:53:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 186 transitions. [2023-11-06 22:53:41,279 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 186 transitions. Word has length 15 [2023-11-06 22:53:41,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:41,280 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 186 transitions. [2023-11-06 22:53:41,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 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) [2023-11-06 22:53:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 186 transitions. [2023-11-06 22:53:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:53:41,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:41,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:41,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:53:41,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:41,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash 293310406, now seen corresponding path program 1 times [2023-11-06 22:53:41,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:53:41,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636130291] [2023-11-06 22:53:41,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:53:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:41,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:53:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:53:41,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:53:41,549 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:53:41,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:53:41,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:53:41,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:53:41,563 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:53:41,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:53:41 BoogieIcfgContainer [2023-11-06 22:53:41,628 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:53:41,629 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:53:41,629 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:53:41,629 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:53:41,630 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:40" (3/4) ... [2023-11-06 22:53:41,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:53:41,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:53:41,637 INFO L158 Benchmark]: Toolchain (without parser) took 2616.93ms. Allocated memory is still 138.4MB. Free memory was 94.9MB in the beginning and 102.9MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:41,637 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:41,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.99ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 80.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:53:41,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.06ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 77.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:53:41,644 INFO L158 Benchmark]: Boogie Preprocessor took 53.64ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 74.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:41,648 INFO L158 Benchmark]: RCFGBuilder took 1096.11ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 77.2MB in the end (delta: -2.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-06 22:53:41,649 INFO L158 Benchmark]: TraceAbstraction took 959.05ms. Allocated memory is still 138.4MB. Free memory was 76.5MB in the beginning and 103.3MB in the end (delta: -26.8MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-06 22:53:41,650 INFO L158 Benchmark]: Witness Printer took 7.42ms. Allocated memory is still 138.4MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:53:41,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.99ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 80.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.06ms. Allocated memory is still 138.4MB. Free memory was 80.6MB in the beginning and 77.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.64ms. Allocated memory is still 138.4MB. Free memory was 77.1MB in the beginning and 74.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1096.11ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 77.2MB in the end (delta: -2.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 959.05ms. Allocated memory is still 138.4MB. Free memory was 76.5MB in the beginning and 103.3MB in the end (delta: -26.8MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Witness Printer took 7.42ms. Allocated memory is still 138.4MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 177]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someUnaryDOUBLEoperation at line 172, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = -0.0; [L173] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, one_fmod=1, x=4294967310, y=4294967309] [L30] ieee_double_shape_type ew_u; [L31] EXPR ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] EXPR (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] EXPR (lx) = ew_u.parts.lsw [L29-L34] { ieee_double_shape_type ew_u; ew_u.value = (x); (hx) = ew_u.parts.msw; (lx) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, lx=4294967297, one_fmod=1, x=4294967310, y=4294967309] [L36] ieee_double_shape_type ew_u; [L37] EXPR ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] EXPR (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] EXPR (ly) = ew_u.parts.lsw [L35-L40] { ieee_double_shape_type ew_u; ew_u.value = (y); (hy) = ew_u.parts.msw; (ly) = ew_u.parts.lsw; } VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, x=4294967310, y=4294967309] [L41] sx = hx & 0x80000000 VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967310, y=4294967309] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967310, y=4294967309] [L45] EXPR hy | ly VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy | ly=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967310, y=4294967309] [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [(hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000)=1, Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy | ly=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967310, y=4294967309] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, \old(x)=4294967310, \old(y)=4294967309, hx=0, hy=0, lx=4294967297, ly=0, one_fmod=1, sx=0, x=4294967310, y=4294967309] [L173] RET, EXPR fmod_double(x, y) [L173] double res = fmod_double(x, y); [L176] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [Zero_fmod={4:0}, \old(x)=4294967308, \result=0, one_fmod=1, x=4294967308] [L176] RET, EXPR isnan_double(res) [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1, res=4294967308, x=4294967310, y=4294967309] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 0 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=119occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2023-11-06 22:53:41,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:44,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:44,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:53:44,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:44,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:44,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:44,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:44,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:44,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:44,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:44,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:44,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:44,974 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:44,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:44,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:44,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:44,977 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:44,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:44,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:44,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:44,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:44,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:53:44,981 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:53:44,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:53:44,982 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:44,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:44,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:44,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:44,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:44,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:44,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:44,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:44,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:44,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:44,987 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:53:44,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:53:44,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:44,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:44,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:44,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:44,989 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:53:44,990 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:44,990 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eabf73fda8ad66cc712b5e2aa068d76d83b4a035cc33c195eef372e98b57afab [2023-11-06 22:53:45,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:45,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:45,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:45,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:45,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:45,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2023-11-06 22:53:48,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:53:49,055 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:53:49,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c [2023-11-06 22:53:49,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/feaed72fc/55b96908cbb84b5889678fa964b019d2/FLAG4965d1490 [2023-11-06 22:53:49,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/data/feaed72fc/55b96908cbb84b5889678fa964b019d2 [2023-11-06 22:53:49,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:53:49,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:53:49,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:49,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:53:49,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:53:49,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f387601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49, skipping insertion in model container [2023-11-06 22:53:49,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:53:49,534 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c[3884,3897] [2023-11-06 22:53:49,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:49,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:53:49,651 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_1ed04b7b-d343-4721-a800-21cda0a42c5f/sv-benchmarks/c/float-newlib/double_req_bl_1121b.c[3884,3897] [2023-11-06 22:53:49,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:53:49,685 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:53:49,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49 WrapperNode [2023-11-06 22:53:49,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:53:49,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:49,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:53:49,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:53:49,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,755 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 228 [2023-11-06 22:53:49,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:53:49,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:53:49,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:53:49,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:53:49,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:53:49,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:53:49,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:53:49,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:53:49,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (1/1) ... [2023-11-06 22:53:49,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:49,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:53:49,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:53:49,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:53:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:53:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:53:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:53:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:53:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:53:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-06 22:53:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:53:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:53:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:53:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:53:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:53:50,195 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:53:50,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:53:54,490 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:53:54,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:53:54,498 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-06 22:53:54,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:54 BoogieIcfgContainer [2023-11-06 22:53:54,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:53:54,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:53:54,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:53:54,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:53:54,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:53:49" (1/3) ... [2023-11-06 22:53:54,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abfafa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:54, skipping insertion in model container [2023-11-06 22:53:54,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:53:49" (2/3) ... [2023-11-06 22:53:54,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abfafa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:53:54, skipping insertion in model container [2023-11-06 22:53:54,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:54" (3/3) ... [2023-11-06 22:53:54,512 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121b.c [2023-11-06 22:53:54,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:53:54,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:53:54,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:53:54,596 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@660ee576, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:53:54,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:53:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2023-11-06 22:53:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:53:54,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:54,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:54,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:54,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:54,619 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2023-11-06 22:53:54,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:54,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760841411] [2023-11-06 22:53:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:54,634 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 [2023-11-06 22:53:54,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:54,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:53:54,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:53:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:55,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:53:55,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:53:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:53:55,875 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:53:55,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:53:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760841411] [2023-11-06 22:53:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760841411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:53:55,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:53:55,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:53:55,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222055942] [2023-11-06 22:53:55,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:53:55,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:53:55,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:53:55,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:53:55,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:53:55,932 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) 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) [2023-11-06 22:53:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:53:55,959 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2023-11-06 22:53:55,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:53:55,964 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 [2023-11-06 22:53:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:53:55,974 INFO L225 Difference]: With dead ends: 108 [2023-11-06 22:53:55,974 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 22:53:55,977 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 [2023-11-06 22:53:55,982 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:53:55,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:53:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 22:53:56,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 22:53:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 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) [2023-11-06 22:53:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2023-11-06 22:53:56,020 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2023-11-06 22:53:56,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:53:56,020 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2023-11-06 22:53:56,021 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) [2023-11-06 22:53:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2023-11-06 22:53:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:53:56,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:53:56,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:53:56,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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)] Ended with exit code 0 [2023-11-06 22:53:56,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:53:56,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:53:56,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:53:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2023-11-06 22:53:56,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:53:56,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294564609] [2023-11-06 22:53:56,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:53:56,226 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 [2023-11-06 22:53:56,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:53:56,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:53:56,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:53:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:53:57,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:53:57,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:03,727 WARN L839 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start_fmod_double_#res#1| (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| (fp.neg (_ +zero 11 53))))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) is different from false [2023-11-06 22:54:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:07,552 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:07,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294564609] [2023-11-06 22:54:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294564609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:54:07,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662678890] [2023-11-06 22:54:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:07,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:54:07,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:07,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:54:07,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2023-11-06 22:54:07,557 INFO L87 Difference]: Start difference. First operand 52 states and 78 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) [2023-11-06 22:54:11,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:12,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:54:25,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:54:26,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:26,697 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2023-11-06 22:54:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:26,731 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 [2023-11-06 22:54:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:26,733 INFO L225 Difference]: With dead ends: 57 [2023-11-06 22:54:26,733 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 22:54:26,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=26, Invalid=48, Unknown=2, NotChecked=14, Total=90 [2023-11-06 22:54:26,736 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 74 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 78 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:26,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 220 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 78 Unchecked, 7.5s Time] [2023-11-06 22:54:26,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 22:54:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 22:54:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 51 states have internal predecessors, (77), 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) [2023-11-06 22:54:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2023-11-06 22:54:26,747 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2023-11-06 22:54:26,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:26,748 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2023-11-06 22:54:26,748 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) [2023-11-06 22:54:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2023-11-06 22:54:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:54:26,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:54:26,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:26,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:26,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:26,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:54:26,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2023-11-06 22:54:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:54:26,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236538643] [2023-11-06 22:54:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:26,956 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 [2023-11-06 22:54:26,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:54:26,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:54:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:27,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:54:27,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:27,842 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:54:27,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:54:27,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236538643] [2023-11-06 22:54:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236538643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:27,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:27,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:27,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019159609] [2023-11-06 22:54:27,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:27,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:54:27,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:54:27,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:54:27,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:54:27,846 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:28,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:28,231 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2023-11-06 22:54:28,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:28,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-06 22:54:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:54:28,232 INFO L225 Difference]: With dead ends: 52 [2023-11-06 22:54:28,232 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:54:28,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:54:28,235 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:54:28,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:54:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:54:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:54:28,238 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) [2023-11-06 22:54:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:54:28,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-06 22:54:28,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:54:28,239 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:28,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:54:28,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:54:28,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:54:28,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:28,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:54:28,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:54:36,933 WARN L293 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:54:37,217 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2023-11-06 22:54:37,217 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2023-11-06 22:54:37,217 INFO L895 garLoopResultBuilder]: At program point isnan_double_returnLabel#1(line 18) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:54:37,218 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2023-11-06 22:54:37,218 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2023-11-06 22:54:37,218 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2023-11-06 22:54:37,218 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2023-11-06 22:54:37,218 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2023-11-06 22:54:37,219 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,219 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2023-11-06 22:54:37,219 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2023-11-06 22:54:37,219 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-06 22:54:37,219 INFO L895 garLoopResultBuilder]: At program point L154-1(lines 154 159) the Hoare annotation is: false [2023-11-06 22:54:37,219 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2023-11-06 22:54:37,220 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2023-11-06 22:54:37,221 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2023-11-06 22:54:37,221 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:54:37,221 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2023-11-06 22:54:37,221 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-11-06 22:54:37,221 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2023-11-06 22:54:37,221 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2023-11-06 22:54:37,222 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2023-11-06 22:54:37,222 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 179) no Hoare annotation was computed. [2023-11-06 22:54:37,222 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 165 182) the Hoare annotation is: true [2023-11-06 22:54:37,222 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:54:37,223 INFO L895 garLoopResultBuilder]: At program point fmod_double_returnLabel#1(lines 25 163) the Hoare annotation is: (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res#1|)) (= |ULTIMATE.start_fmod_double_~y#1| .cse1) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-06 22:54:37,223 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-11-06 22:54:37,223 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2023-11-06 22:54:37,223 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2023-11-06 22:54:37,223 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2023-11-06 22:54:37,224 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~y#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:54:37,224 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2023-11-06 22:54:37,224 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:54:37,224 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2023-11-06 22:54:37,224 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,225 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-06 22:54:37,226 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2023-11-06 22:54:37,227 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2023-11-06 22:54:37,227 INFO L895 garLoopResultBuilder]: At program point L35-1(lines 35 40) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~y#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:54:37,227 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2023-11-06 22:54:37,232 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:54:37,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:37,248 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated [2023-11-06 22:54:37,250 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,250 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,251 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated [2023-11-06 22:54:37,251 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,251 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,252 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (let ((.cse1 (fp.neg (_ +zero 11 53)))) (and (exists ((|ULTIMATE.start_fmod_double_~x#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven |ULTIMATE.start_fmod_double_~x#1| .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res#1|)) (= |ULTIMATE.start_fmod_double_~y#1| .cse1) (= currentRoundingMode roundNearestTiesToEven))) [2023-11-06 22:54:37,252 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,253 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,253 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,253 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,254 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,254 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,254 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start_fmod_double_~y#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:54:37,255 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,255 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,256 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,256 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,256 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start_fmod_double_~y#1| (fp.neg (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:54:37,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:37 BoogieIcfgContainer [2023-11-06 22:54:37,257 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:37,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:37,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:37,258 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:37,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:53:54" (3/4) ... [2023-11-06 22:54:37,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:54:37,272 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-06 22:54:37,273 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:54:37,273 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 22:54:37,273 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:54:37,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:54:37,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:54:37,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:37,323 INFO L158 Benchmark]: Toolchain (without parser) took 48228.78ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 45.8MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,323 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:37,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.80ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 55.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.65ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,325 INFO L158 Benchmark]: Boogie Preprocessor took 57.28ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 50.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,326 INFO L158 Benchmark]: RCFGBuilder took 4686.62ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 51.5MB in the end (delta: -899.5kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,326 INFO L158 Benchmark]: TraceAbstraction took 42753.07ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,327 INFO L158 Benchmark]: Witness Printer took 64.96ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:37,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.80ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 55.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.65ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 53.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.28ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 50.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4686.62ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 51.5MB in the end (delta: -899.5kB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * TraceAbstraction took 42753.07ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 64.96ms. Allocated memory is still 94.4MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 177]: 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 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 78 IncrementalHoareTripleChecker+Unchecked, 155 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 159 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 55 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 163 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2023-11-06 22:54:37,353 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated [2023-11-06 22:54:37,354 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,354 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,354 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fmod_double_~x#1 : C_DOUBLE :: ~fp.div~64(~roundNearestTiesToEven, ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64())), ~fp.mul~64(~roundNearestTiesToEven, ULTIMATE.start_fmod_double_~x#1, ~fp.neg~64(~Pluszero~64()))) == #res) could not be translated [2023-11-06 22:54:37,355 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,355 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant [2023-11-06 22:54:37,356 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,356 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (1 == \result) - InvariantResult [Line: 35]: Loop Invariant [2023-11-06 22:54:37,356 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,357 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,357 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,357 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2023-11-06 22:54:37,359 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,360 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:54:37,360 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:54:37,360 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2023-11-06 22:54:37,584 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:54:37,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ed04b7b-d343-4721-a800-21cda0a42c5f/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE