./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme --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 b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:06,967 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:07,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-26 11:51:07,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:07,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:07,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:07,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:07,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:07,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:07,084 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:51:07,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:51:07,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:51:07,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:07,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:51:07,088 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:51:07,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:07,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:51:07,090 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:51:07,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:51:07,091 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:51:07,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:51:07,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:51:07,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:51:07,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:51:07,094 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:51:07,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:51:07,095 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:51:07,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:07,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:07,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:51:07,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:51:07,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:07,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:07,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:51:07,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:51:07,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:51:07,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:51:07,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:51:07,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:51:07,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:51:07,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:51:07,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:51:07,102 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b
[2023-11-26 11:51:07,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:07,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:07,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:07,421 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:07,422 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:51:07,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c
[2023-11-26 11:51:10,575 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:10,819 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:51:10,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c
[2023-11-26 11:51:10,828 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/3d3faf6bf/484c586969a94797b85f9634dead5395/FLAGcc67e694a
[2023-11-26 11:51:10,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/3d3faf6bf/484c586969a94797b85f9634dead5395
[2023-11-26 11:51:10,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:10,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:10,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:10,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:10,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:10,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:10" (1/1) ...
[2023-11-26 11:51:10,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55f47a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:10, skipping insertion in model container
[2023-11-26 11:51:10,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:10" (1/1) ...
[2023-11-26 11:51:10,880 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:11,060 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012]
[2023-11-26 11:51:11,068 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:11,076 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:51:11,092 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012]
[2023-11-26 11:51:11,093 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:11,107 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:51:11,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11 WrapperNode
[2023-11-26 11:51:11,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:11,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:11,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:51:11,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:51:11,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,151 INFO L138 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54
[2023-11-26 11:51:11,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:11,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:51:11,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:51:11,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:51:11,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,164 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,180 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2023-11-26 11:51:11,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:51:11,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:51:11,197 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:51:11,198 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:51:11,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (1/1) ...
[2023-11-26 11:51:11,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:11,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:51:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:51:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:51:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-26 11:51:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-26 11:51:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-26 11:51:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2023-11-26 11:51:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2023-11-26 11:51:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2
[2023-11-26 11:51:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-26 11:51:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-26 11:51:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-26 11:51:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2023-11-26 11:51:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2023-11-26 11:51:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2
[2023-11-26 11:51:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:51:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:51:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-26 11:51:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-26 11:51:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-26 11:51:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-26 11:51:11,452 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:51:11,454 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:51:11,582 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:51:11,610 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:51:11,610 INFO L309 CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-26 11:51:11,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:11 BoogieIcfgContainer
[2023-11-26 11:51:11,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:51:11,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:51:11,615 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:51:11,618 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:51:11,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:10" (1/3) ...
[2023-11-26 11:51:11,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4e30b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:11, skipping insertion in model container
[2023-11-26 11:51:11,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:11" (2/3) ...
[2023-11-26 11:51:11,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4e30b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:11, skipping insertion in model container
[2023-11-26 11:51:11,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:11" (3/3) ...
[2023-11-26 11:51:11,622 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c
[2023-11-26 11:51:11,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:51:11,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-26 11:51:11,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:51:11,697 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@4dcdc497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:51:11,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-26 11:51:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-26 11:51:11,708 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:11,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:11,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:11,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:11,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2102692121, now seen corresponding path program 1 times
[2023-11-26 11:51:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:11,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324947153]
[2023-11-26 11:51:11,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:11,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:11,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:51:11,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324947153]
[2023-11-26 11:51:11,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324947153] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:11,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:11,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:11,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508711674]
[2023-11-26 11:51:11,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:11,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 11:51:11,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:51:11,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 11:51:11,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:11,891 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:11,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:11,912 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions.
[2023-11-26 11:51:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 11:51:11,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6
[2023-11-26 11:51:11,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:11,928 INFO L225 Difference]: With dead ends: 21
[2023-11-26 11:51:11,928 INFO L226 Difference]: Without dead ends: 9
[2023-11-26 11:51:11,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:11,935 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:11,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:51:11,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-26 11:51:11,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-26 11:51:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2023-11-26 11:51:11,992 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6
[2023-11-26 11:51:11,993 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:11,993 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2023-11-26 11:51:11,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2023-11-26 11:51:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-26 11:51:12,008 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:12,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:12,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 11:51:12,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:12,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:12,010 INFO L85 PathProgramCache]: Analyzing trace with hash -291149316, now seen corresponding path program 1 times
[2023-11-26 11:51:12,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:51:12,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599101324]
[2023-11-26 11:51:12,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:12,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:51:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-26 11:51:12,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-26 11:51:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-26 11:51:12,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-26 11:51:12,136 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-26 11:51:12,138 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-26 11:51:12,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-26 11:51:12,144 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-26 11:51:12,147 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:51:12,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:51:12 BoogieIcfgContainer
[2023-11-26 11:51:12,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:51:12,178 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:51:12,178 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:51:12,178 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:51:12,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:11" (3/4) ...
[2023-11-26 11:51:12,181 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-26 11:51:12,183 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:51:12,185 INFO L158 Benchmark]: Toolchain (without parser) took 1335.38ms. Allocated memory is still 134.2MB. Free memory was 89.2MB in the beginning and 98.3MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:12,185 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:12,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.91ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 78.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-26 11:51:12,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.52ms. Allocated memory is still 134.2MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:12,190 INFO L158 Benchmark]: Boogie Preprocessor took 44.33ms. Allocated memory is still 134.2MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:51:12,193 INFO L158 Benchmark]: RCFGBuilder took 414.16ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 62.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-26 11:51:12,195 INFO L158 Benchmark]: TraceAbstraction took 562.44ms. Allocated memory is still 134.2MB. Free memory was 61.7MB in the beginning and 98.3MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:12,195 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 134.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:12,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 257.91ms. Allocated memory is still 134.2MB. Free memory was 89.1MB in the beginning and 78.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.52ms. Allocated memory is still 134.2MB. Free memory was 78.2MB in the beginning and 76.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.33ms. Allocated memory is still 134.2MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 414.16ms. Allocated memory is still 134.2MB. Free memory was 74.6MB in the beginning and 62.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 562.44ms. Allocated memory is still 134.2MB. Free memory was 61.7MB in the beginning and 98.3MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.35ms. Allocated memory is still 134.2MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 42]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 37.
Possible FailurePath:
[L37] float x = 0.0f / 0.0f;
[L38] CALL, EXPR fabs_float(x)
[L17] __uint32_t ix;
VAL [\old(x)=59, x=59]
[L19] ieee_float_shape_type gf_u;
[L20] EXPR gf_u.value = (x)
[L21] EXPR gf_u.word
[L21] EXPR (ix) = gf_u.word
[L18-L22] {
ieee_float_shape_type gf_u;
gf_u.value = (x);
(ix) = gf_u.word;
}
VAL [\old(x)=59, ix=7, x=59]
[L24] ieee_float_shape_type sf_u;
[L25] EXPR sf_u.word = (ix & 0x7fffffff)
[L26] EXPR sf_u.value
[L26] EXPR (x) = sf_u.value
[L23-L27] {
ieee_float_shape_type sf_u;
sf_u.word = (ix & 0x7fffffff);
(x) = sf_u.value;
}
VAL [\old(x)=59, ix=7, x=58]
[L28] return x;
[L38] RET, EXPR fabs_float(x)
[L38] float res = fabs_float(x);
[L41] CALL, EXPR isnan_float(res)
[L14] return x != x;
[L41] RET, EXPR isnan_float(res)
[L41] COND TRUE !isnan_float(res)
[L42] reach_error()
VAL [res=58, x=59]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-26 11:51:12,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme --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 b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:14,895 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:15,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-11-26 11:51:15,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:15,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:15,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:15,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:15,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:15,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:15,084 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:51:15,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:51:15,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:51:15,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:15,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:51:15,089 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:51:15,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:15,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:51:15,091 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:51:15,091 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:51:15,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:51:15,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:51:15,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:51:15,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:51:15,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-26 11:51:15,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-26 11:51:15,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-26 11:51:15,095 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:51:15,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:51:15,096 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:51:15,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:15,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:15,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:51:15,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:51:15,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:15,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:15,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:51:15,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:51:15,101 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-26 11:51:15,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-26 11:51:15,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:51:15,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:51:15,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:51:15,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:51:15,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:51:15,104 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-26 11:51:15,104 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b589368e94c5bf428f982c3f177e2b11fa3048a410e00e940a504ad7d373847b
[2023-11-26 11:51:15,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:15,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:15,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:15,572 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:15,573 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:51:15,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/float-newlib/float_req_bl_1010.c
[2023-11-26 11:51:18,813 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:19,090 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:51:19,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c
[2023-11-26 11:51:19,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/39e76677a/a94752d9a5ea470c8e66c0bde3703515/FLAG46238a346
[2023-11-26 11:51:19,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/data/39e76677a/a94752d9a5ea470c8e66c0bde3703515
[2023-11-26 11:51:19,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:19,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:19,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:19,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:19,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:19,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1250837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19, skipping insertion in model container
[2023-11-26 11:51:19,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,158 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:19,388 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012]
[2023-11-26 11:51:19,395 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:19,413 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:51:19,441 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/sv-benchmarks/c/float-newlib/float_req_bl_1010.c[999,1012]
[2023-11-26 11:51:19,442 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:19,467 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:51:19,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19 WrapperNode
[2023-11-26 11:51:19,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:19,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:19,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:51:19,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:51:19,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,528 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54
[2023-11-26 11:51:19,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:19,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:51:19,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:51:19,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:51:19,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,580 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2023-11-26 11:51:19,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:51:19,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:51:19,614 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:51:19,614 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:51:19,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (1/1) ...
[2023-11-26 11:51:19,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:19,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:19,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:51:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:51:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-26 11:51:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2023-11-26 11:51:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2023-11-26 11:51:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-26 11:51:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2023-11-26 11:51:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2023-11-26 11:51:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2023-11-26 11:51:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2023-11-26 11:51:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2023-11-26 11:51:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2023-11-26 11:51:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:51:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:51:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2023-11-26 11:51:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2023-11-26 11:51:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2023-11-26 11:51:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2023-11-26 11:51:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2023-11-26 11:51:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2023-11-26 11:51:19,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-26 11:51:19,851 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:51:19,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:51:20,081 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:51:20,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:51:20,116 INFO L309 CfgBuilder]: Removed 4 assume(true) statements.
[2023-11-26 11:51:20,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:20 BoogieIcfgContainer
[2023-11-26 11:51:20,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:51:20,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:51:20,123 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:51:20,127 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:51:20,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:19" (1/3) ...
[2023-11-26 11:51:20,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2093defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:20, skipping insertion in model container
[2023-11-26 11:51:20,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:19" (2/3) ...
[2023-11-26 11:51:20,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2093defc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:20, skipping insertion in model container
[2023-11-26 11:51:20,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:20" (3/3) ...
[2023-11-26 11:51:20,132 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010.c
[2023-11-26 11:51:20,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:51:20,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-26 11:51:20,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:51:20,217 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@321b8169, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:51:20,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-26 11:51:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-26 11:51:20,229 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:20,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:20,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:20,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:20,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2102692121, now seen corresponding path program 1 times
[2023-11-26 11:51:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:20,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599667746]
[2023-11-26 11:51:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-26 11:51:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:20,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:20,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-26 11:51:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:20,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-26 11:51:20,369 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:20,391 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:51:20,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599667746]
[2023-11-26 11:51:20,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599667746] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:20,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:20,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:20,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626566309]
[2023-11-26 11:51:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:20,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 11:51:20,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 11:51:20,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:20,433 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:20,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:20,465 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions.
[2023-11-26 11:51:20,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 11:51:20,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6
[2023-11-26 11:51:20,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:20,486 INFO L225 Difference]: With dead ends: 21
[2023-11-26 11:51:20,486 INFO L226 Difference]: Without dead ends: 9
[2023-11-26 11:51:20,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:20,495 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:20,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:51:20,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-26 11:51:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2023-11-26 11:51:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2023-11-26 11:51:20,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6
[2023-11-26 11:51:20,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:20,530 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2023-11-26 11:51:20,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2023-11-26 11:51:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-26 11:51:20,531 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:20,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:20,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:20,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-26 11:51:20,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-26 11:51:20,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash -291149316, now seen corresponding path program 1 times
[2023-11-26 11:51:20,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040707181]
[2023-11-26 11:51:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:20,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-26 11:51:20,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:20,745 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:20,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-26 11:51:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:20,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-11-26 11:51:20,838 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:51:21,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:51:21,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:21,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040707181]
[2023-11-26 11:51:21,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040707181] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:21,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:21,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-26 11:51:21,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587966099]
[2023-11-26 11:51:21,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:21,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:51:21,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:21,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:51:21,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:51:21,109 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:21,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:21,184 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions.
[2023-11-26 11:51:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-26 11:51:21,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-11-26 11:51:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:21,185 INFO L225 Difference]: With dead ends: 9
[2023-11-26 11:51:21,185 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 11:51:21,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-26 11:51:21,188 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:21,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:51:21,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 11:51:21,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 11:51:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 11:51:21,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2023-11-26 11:51:21,190 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:21,191 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:51:21,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:51:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 11:51:21,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 11:51:21,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-26 11:51:21,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:21,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-26 11:51:21,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 11:51:21,439 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 11:51:21,439 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 27) no Hoare annotation was computed.
[2023-11-26 11:51:21,439 INFO L895 garLoopResultBuilder]: At program point L23-1(lines 23 27) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_fabs_float_~ix~0#1|) ((_ extract 30 23) |ULTIMATE.start_fabs_float_~ix~0#1|) ((_ extract 22 0) |ULTIMATE.start_fabs_float_~ix~0#1|)) (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fabs_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)))))
[2023-11-26 11:51:21,439 INFO L899 garLoopResultBuilder]: For program point L23-2(lines 23 27) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 31 47) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L899 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed.
[2023-11-26 11:51:21,440 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fabs_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))))
[2023-11-26 11:51:21,441 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 44) no Hoare annotation was computed.
[2023-11-26 11:51:21,444 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-26 11:51:21,447 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:51:21,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
[2023-11-26 11:51:21,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
[2023-11-26 11:51:21,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
[2023-11-26 11:51:21,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:51:21 BoogieIcfgContainer
[2023-11-26 11:51:21,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:51:21,462 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:51:21,462 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:51:21,462 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:51:21,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:20" (3/4) ...
[2023-11-26 11:51:21,465 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 11:51:21,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-26 11:51:21,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-26 11:51:21,476 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2023-11-26 11:51:21,476 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:51:21,582 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 11:51:21,582 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 11:51:21,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:51:21,601 INFO L158 Benchmark]: Toolchain (without parser) took 2477.56ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 58.7MB in the end (delta: -1.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,601 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:21,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.91ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 81.8MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,603 INFO L158 Benchmark]: Boogie Preprocessor took 84.13ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,603 INFO L158 Benchmark]: RCFGBuilder took 505.37ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 49.1MB in the end (delta: -7.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,603 INFO L158 Benchmark]: TraceAbstraction took 1339.28ms. Allocated memory is still 81.8MB. Free memory was 48.5MB in the beginning and 36.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,604 INFO L158 Benchmark]: Witness Printer took 138.41ms. Allocated memory is still 81.8MB. Free memory was 36.3MB in the beginning and 58.7MB in the end (delta: -22.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB.
[2023-11-26 11:51:21,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 340.91ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 45.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 59.01ms. Allocated memory is still 81.8MB. Free memory was 45.9MB in the beginning and 44.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 84.13ms. Allocated memory is still 81.8MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 505.37ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 49.1MB in the end (delta: -7.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1339.28ms. Allocated memory is still 81.8MB. Free memory was 48.5MB in the beginning and 36.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
* Witness Printer took 138.41ms. Allocated memory is still 81.8MB. Free memory was 36.3MB in the beginning and 58.7MB in the end (delta: -22.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~ix~0[31:31], ~ix~0[30:23], ~ix~0[22:0]) == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~fp.div~32(currentRoundingMode, ~Pluszero~32(), ~Pluszero~32())) could not be translated
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 42]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 28 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 5 QuantifiedInterpolants, 56 SizeOfPredicates, 10 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: null
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:51:21,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9749b6ac-f806-41ca-afb1-4fa49fd960b1/bin/uautomizer-verify-VRDe98Ueme/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
Writing output log to file Ultimate.log
Result:
TRUE