./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:31,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:31,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:08:31,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:31,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:31,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:31,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:31,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:31,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:31,343 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:31,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:31,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:31,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:31,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:31,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:31,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:31,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:31,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:31,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:08:31,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:31,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:31,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:31,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:31,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:31,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:31,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:31,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:31,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:31,347 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:31,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:31,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:31,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:31,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:31,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:31,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:31,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:31,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:31,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:31,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:31,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:31,349 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:31,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:31,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:31,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-27 20:08:31,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:31,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:31,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:31,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:31,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:31,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-27 20:08:35,244 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/b2922a34d/b3b3505dd1394618a7f7d55b0ce2b7ce/FLAG6e3c8e760 [2024-11-27 20:08:35,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:35,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-27 20:08:35,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/b2922a34d/b3b3505dd1394618a7f7d55b0ce2b7ce/FLAG6e3c8e760 [2024-11-27 20:08:35,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/b2922a34d/b3b3505dd1394618a7f7d55b0ce2b7ce [2024-11-27 20:08:35,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:35,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:35,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:35,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:35,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:35,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:35,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d6ba84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:35, skipping insertion in model container [2024-11-27 20:08:35,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:35" (1/1) ... [2024-11-27 20:08:35,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:35,933 WARN L250 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_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-27 20:08:35,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:35,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:36,003 WARN L250 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_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-27 20:08:36,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:36,054 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:36,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36 WrapperNode [2024-11-27 20:08:36,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:36,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:36,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:36,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:36,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,099 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-27 20:08:36,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:36,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:36,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:36,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:36,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,117 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,133 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:08:36,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:36,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:36,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:36,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:36,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (1/1) ... [2024-11-27 20:08:36,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:36,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:36,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:08:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:36,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:36,334 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:36,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:36,519 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:36,519 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:36,530 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:36,531 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:08:36,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:36 BoogieIcfgContainer [2024-11-27 20:08:36,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:36,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:36,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:36,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:36,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:35" (1/3) ... [2024-11-27 20:08:36,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25938bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:36, skipping insertion in model container [2024-11-27 20:08:36,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:36" (2/3) ... [2024-11-27 20:08:36,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25938bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:36, skipping insertion in model container [2024-11-27 20:08:36,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:36" (3/3) ... [2024-11-27 20:08:36,545 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt_biNewton_pseudoconstant.c [2024-11-27 20:08:36,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:36,566 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt_biNewton_pseudoconstant.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 20:08:36,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:36,668 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2908dd94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:36,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:08:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-27 20:08:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-27 20:08:36,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:36,683 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:36,683 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:36,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1412609145, now seen corresponding path program 1 times [2024-11-27 20:08:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001585360] [2024-11-27 20:08:36,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:36,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:36,847 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:08:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:08:36,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:08:36,922 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:08:36,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:08:36,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:08:36,935 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-27 20:08:36,958 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:08:36,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:08:36 BoogieIcfgContainer [2024-11-27 20:08:36,962 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:08:36,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:08:36,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:08:36,963 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:08:36,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:36" (3/4) ... [2024-11-27 20:08:36,969 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:08:36,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:08:36,973 INFO L158 Benchmark]: Toolchain (without parser) took 1298.51ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 65.5MB in the end (delta: 39.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 20:08:36,973 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:36,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.49ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:36,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:36,976 INFO L158 Benchmark]: Boogie Preprocessor took 65.75ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:36,977 INFO L158 Benchmark]: RCFGBuilder took 363.87ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 79.7MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:36,978 INFO L158 Benchmark]: TraceAbstraction took 428.23ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 65.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:36,978 INFO L158 Benchmark]: Witness Printer took 7.78ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 65.5MB in the end (delta: 414.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:36,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.49ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 93.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.75ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 90.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 363.87ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 79.7MB in the end (delta: 11.0MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 428.23ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 65.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 7.78ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 65.5MB in the end (delta: 414.4kB). Peak memory consumption was 8.4MB. 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: 13]: 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 someBinaryArithmeticDOUBLEoperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 21, overapproximation of someBinaryDOUBLEComparisonOperation at line 49. Possible FailurePath: [L15] double _EPS = 1e-6; VAL [_EPS=1/1000000] [L43] double d, dd, r; [L44] double epsilon = 1e-8; [L46] d = 1. VAL [_EPS=1/1000000] [L46] COND TRUE d <= 20. VAL [_EPS=1/1000000] [L48] dd = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) VAL [_EPS=1/1000000] [L49] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L51] CALL, EXPR SqrtR(dd) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; VAL [_EPS=1/1000000] [L21] COND TRUE Input <= 1.0 [L21] xn = 1.0 VAL [_EPS=1/1000000, xn=1] [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L28] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000, i=0] [L38] return 1.0 / xnp1; VAL [_EPS=1/1000000, i=0] [L51] RET, EXPR SqrtR(dd) [L51] r = SqrtR(dd) [L53] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [_EPS=1/1000000] [L13] reach_error() VAL [_EPS=1/1000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:08:37,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:40,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:40,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:08:40,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:40,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:40,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:40,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:40,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:40,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:40,344 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:40,344 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:40,344 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:40,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:40,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:40,346 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:40,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:40,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:40,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:40,348 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:40,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:40,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:40,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:40,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:40,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:08:40,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:40,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:40,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:40,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:40,353 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> 8967790177fc14e8157cff1ce1fb723d3ab55513216099f6dbb82db8bc4d5837 [2024-11-27 20:08:40,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:40,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:40,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:40,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:40,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:40,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-27 20:08:43,969 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/22a3552e3/4c03b67f8f5f4086b8a65c80852f2fcc/FLAG66e98a8ba [2024-11-27 20:08:44,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:44,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c [2024-11-27 20:08:44,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/22a3552e3/4c03b67f8f5f4086b8a65c80852f2fcc/FLAG66e98a8ba [2024-11-27 20:08:44,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/data/22a3552e3/4c03b67f8f5f4086b8a65c80852f2fcc [2024-11-27 20:08:44,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:44,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:44,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:44,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:44,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:44,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736a29d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44, skipping insertion in model container [2024-11-27 20:08:44,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:44,537 WARN L250 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_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-27 20:08:44,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:44,599 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:44,615 WARN L250 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_12cc195f-4db9-4667-8dec-866b88a790dd/sv-benchmarks/c/float-benchs/sqrt_biNewton_pseudoconstant.c[570,583] [2024-11-27 20:08:44,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:44,660 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:44,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44 WrapperNode [2024-11-27 20:08:44,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:44,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:44,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:44,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:44,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,712 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-27 20:08:44,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:44,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:44,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:44,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:44,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,741 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:08:44,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:44,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:44,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:44,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:44,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (1/1) ... [2024-11-27 20:08:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:44,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:44,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:44,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:08:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:44,943 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:44,945 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:09:02,835 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-27 20:09:02,836 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:09:02,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:09:02,847 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:09:02,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:09:02 BoogieIcfgContainer [2024-11-27 20:09:02,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:09:02,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:09:02,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:09:02,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:09:02,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:44" (1/3) ... [2024-11-27 20:09:02,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580d1c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:09:02, skipping insertion in model container [2024-11-27 20:09:02,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:44" (2/3) ... [2024-11-27 20:09:02,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580d1c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:09:02, skipping insertion in model container [2024-11-27 20:09:02,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:09:02" (3/3) ... [2024-11-27 20:09:02,863 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt_biNewton_pseudoconstant.c [2024-11-27 20:09:02,885 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:09:02,887 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt_biNewton_pseudoconstant.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-27 20:09:02,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:09:02,982 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@704e659a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:09:02,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:09:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 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) [2024-11-27 20:09:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-27 20:09:02,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:02,997 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:02,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:03,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:03,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1412609145, now seen corresponding path program 1 times [2024-11-27 20:09:03,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:09:03,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108767919] [2024-11-27 20:09:03,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:03,017 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 [2024-11-27 20:09:03,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:09:03,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:09:03,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:09:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:04,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:09:04,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:09:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:09:06,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:09:06,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:09:06,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108767919] [2024-11-27 20:09:06,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108767919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:06,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:09:06,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:09:06,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335641565] [2024-11-27 20:09:06,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:06,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:09:06,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:09:06,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:09:06,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:09:06,158 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 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 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-27 20:09:11,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:16,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:21,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:25,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:29,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:34,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:38,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:42,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:46,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:50,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:54,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:55,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:09:59,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:10:03,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:10:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:05,074 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2024-11-27 20:10:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:10:05,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-27 20:10:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:05,096 INFO L225 Difference]: With dead ends: 41 [2024-11-27 20:10:05,096 INFO L226 Difference]: Without dead ends: 19 [2024-11-27 20:10:05,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:10:05,104 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:05,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 13 Unknown, 0 Unchecked, 58.6s Time] [2024-11-27 20:10:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-27 20:10:05,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-27 20:10:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:10:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-11-27 20:10:05,154 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13 [2024-11-27 20:10:05,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:05,156 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-27 20:10:05,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-11-27 20:10:05,157 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-27 20:10:05,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-27 20:10:05,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:05,158 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:05,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:10:05,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:10:05,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:05,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:05,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1107350789, now seen corresponding path program 1 times [2024-11-27 20:10:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:10:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895858231] [2024-11-27 20:10:05,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:05,360 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 [2024-11-27 20:10:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:10:05,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:10:05,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:10:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:08,037 WARN L254 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-27 20:10:08,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:10:19,439 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:10:31,328 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:11:15,134 WARN L286 SmtUtils]: Spent 23.40s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:11:25,269 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:11:33,666 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:11:44,738 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:11:53,137 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:01,453 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:09,786 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:18,177 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:26,521 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:34,892 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:43,363 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:51,703 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:12:56,009 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0)))) (let ((.cse6 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3)) (.cse5 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0))))) (or (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse4 (fp.add c_currentRoundingMode .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (let ((.cse2 (fp.mul c_currentRoundingMode .cse6 .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (not (fp.gt .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.lt .cse2 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|))))))) (= |c_ULTIMATE.start_SqrtR_~cond~0#1| (_ bv0 32))) (and (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (let ((.cse7 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse7 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (exists ((|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode .cse6 (fp.add c_currentRoundingMode .cse7 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|)) |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5)))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (let ((.cse8 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse8 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (let ((.cse9 (fp.add c_currentRoundingMode .cse8 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (fp.gt (fp.mul c_currentRoundingMode .cse6 .cse9) (fp.mul c_currentRoundingMode .cse3 .cse9))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5))))) (= |c_ULTIMATE.start_SqrtR_~cond~0#1| (_ bv1 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-27 20:13:04,412 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:12,746 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:21,046 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:29,384 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:37,734 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:41,906 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse4 (fp.add c_currentRoundingMode .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3) .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (not (fp.gt .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (not (fp.lt .cse2 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-27 20:13:50,659 WARN L286 SmtUtils]: Spent 8.71s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:13:59,112 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:05,729 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:14,277 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:22,835 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:27,065 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse2 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse4 (fp.add c_currentRoundingMode .cse2 .cse2))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3) .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (not (fp.lt .cse1 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (= (fp.div c_currentRoundingMode .cse0 .cse2) |c_ULTIMATE.start_SqrtR_#res#1|) (not (fp.gt .cse1 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-27 20:14:39,907 WARN L286 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:48,469 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:14:56,999 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:05,606 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:14,176 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:22,758 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:39,806 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:48,371 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:15:56,889 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:05,326 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:13,874 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:26,552 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:34,980 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:43,484 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:16:52,000 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:00,531 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:05,080 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) (.cse5 (fp.add roundNearestTiesToEven .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse9 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse8 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse8 .cse8))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse9 .cse2)) (.cse3 (fp.div roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (fp.leq .cse3 .cse4) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6)) (fp.geq .cse3 .cse7)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse12 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse11 (fp.add roundNearestTiesToEven .cse12 .cse12))) (let ((.cse10 (fp.mul roundNearestTiesToEven .cse9 .cse11))) (and (not (fp.gt .cse10 (fp.mul roundNearestTiesToEven .cse1 .cse11))) (not (fp.lt .cse10 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.geq (fp.div roundNearestTiesToEven .cse6 .cse12) .cse7)) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse15 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse14 (fp.add roundNearestTiesToEven .cse15 .cse15))) (let ((.cse13 (fp.mul roundNearestTiesToEven .cse9 .cse14))) (and (not (fp.gt .cse13 (fp.mul roundNearestTiesToEven .cse1 .cse14))) (not (fp.leq (fp.div roundNearestTiesToEven .cse6 .cse15) .cse4)) (not (fp.lt .cse13 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6)))))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) is different from false [2024-11-27 20:17:17,806 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:26,328 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:34,867 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:43,318 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:17:51,879 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:04,611 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:13,109 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:21,690 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:30,264 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:38,831 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:18:43,135 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse6 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse6 .cse2))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.geq (fp.div roundNearestTiesToEven .cse4 .cse5) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse9 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse8 (fp.add roundNearestTiesToEven .cse9 .cse9))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse7 (fp.mul roundNearestTiesToEven .cse1 .cse8))) (not (fp.leq (fp.div roundNearestTiesToEven .cse4 .cse9) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.lt .cse7 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4)))))))))) is different from false [2024-11-27 20:18:47,264 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse6 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse6 .cse2))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.geq (fp.div roundNearestTiesToEven .cse4 .cse5) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse9 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse8 (fp.add roundNearestTiesToEven .cse9 .cse9))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse7 (fp.mul roundNearestTiesToEven .cse1 .cse8))) (not (fp.leq (fp.div roundNearestTiesToEven .cse4 .cse9) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.lt .cse7 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4)))))))))) is different from true [2024-11-27 20:18:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:18:47,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:18:47,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:18:47,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895858231] [2024-11-27 20:18:47,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895858231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:47,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:47,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 20:18:47,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361590060] [2024-11-27 20:18:47,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:47,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:18:47,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:18:47,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:18:47,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=42, Unknown=6, NotChecked=80, Total=156 [2024-11-27 20:18:47,268 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-27 20:18:48,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:18:51,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:18:55,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:18:59,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:19:06,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:19:14,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:19:26,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:19:30,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:34,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:36,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:40,837 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (let ((.cse2 (fp.add c_currentRoundingMode .cse1 .cse0))) (and (= .cse0 |c_ULTIMATE.start_main_~epsilon~0#1|) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0)) c_~_EPS~0) (fp.geq |c_ULTIMATE.start_SqrtR_~Input#1| (fp.sub c_currentRoundingMode .cse1 .cse0)) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse1)) (= |c_ULTIMATE.start_SqrtR_~xn~0#1| (fp.div c_currentRoundingMode .cse1 |ULTIMATE.start_SqrtR_~Input#1|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse2))) (= .cse1 |c_ULTIMATE.start_main_~d~0#1|) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq |c_ULTIMATE.start_SqrtR_~Input#1| .cse2)))) is different from false [2024-11-27 20:19:45,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:49,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:53,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:55,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:19:59,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:03,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:11,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:20:15,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:19,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:24,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:28,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:32,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:36,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:20:40,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:44,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:48,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:20:52,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:20:55,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:20:58,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:21:00,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:04,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:09,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:13,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:17,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:21,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:25,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:29,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:21:33,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:36,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:21:41,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:45,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:49,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:53,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:21:58,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:02,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:06,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:10,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:14,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:18,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:22:22,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:26,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:28,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:22:32,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:22:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:22:32,269 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2024-11-27 20:22:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:22:32,272 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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 13 [2024-11-27 20:22:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:22:32,272 INFO L225 Difference]: With dead ends: 56 [2024-11-27 20:22:32,273 INFO L226 Difference]: Without dead ends: 54 [2024-11-27 20:22:32,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 94.0s TimeCoverageRelationStatistics Valid=45, Invalid=82, Unknown=7, NotChecked=138, Total=272 [2024-11-27 20:22:32,274 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 48 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 202.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 300 IncrementalHoareTripleChecker+Unchecked, 203.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:22:32,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 72 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 36 Unknown, 300 Unchecked, 203.9s Time] [2024-11-27 20:22:32,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-27 20:22:32,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28. [2024-11-27 20:22:32,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 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) [2024-11-27 20:22:32,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-27 20:22:32,282 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 13 [2024-11-27 20:22:32,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:22:32,282 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-27 20:22:32,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-27 20:22:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-27 20:22:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-27 20:22:32,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:32,284 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:22:32,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 20:22:32,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:22:32,484 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:22:32,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:32,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1589341643, now seen corresponding path program 1 times [2024-11-27 20:22:32,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:22:32,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118939907] [2024-11-27 20:22:32,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:32,485 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 [2024-11-27 20:22:32,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:22:32,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:22:32,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12cc195f-4db9-4667-8dec-866b88a790dd/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:22:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:22:54,517 WARN L254 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:22:54,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:23:14,414 WARN L286 SmtUtils]: Spent 8.78s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:23:23,215 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:23:31,753 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:23:39,934 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:23:48,117 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:23:55,384 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:24:03,376 WARN L286 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)