./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
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_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:04:16,396 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:04:16,499 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 16:04:16,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:04:16,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:04:16,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:04:16,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:04:16,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:04:16,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:04:16,540 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:04:16,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:04:16,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:04:16,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:04:16,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:04:16,558 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:04:16,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:04:16,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:04:16,559 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:04:16,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:04:16,564 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:04:16,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:04:16,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:04:16,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:04:16,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:04:16,569 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:04:16,570 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:04:16,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:04:16,570 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:04:16,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:04:16,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:04:16,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:04:16,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:04:16,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:04:16,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:04:16,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:04:16,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:04:16,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:04:16,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:04:16,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:04:16,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:04:16,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:04:16,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:04:16,577 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_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd
[2024-11-08 16:04:16,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:04:16,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:04:16,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:04:16,979 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:04:16,980 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:04:16,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c
Unable to find full path for "g++"
[2024-11-08 16:04:18,908 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:04:19,070 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:04:19,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c
[2024-11-08 16:04:19,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/06ec5a263/f8756fc232c84ff5b676714faf944c61/FLAGc356d8467
[2024-11-08 16:04:19,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/06ec5a263/f8756fc232c84ff5b676714faf944c61
[2024-11-08 16:04:19,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:04:19,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:04:19,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:04:19,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:04:19,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:04:19,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b945db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19, skipping insertion in model container
[2024-11-08 16:04:19,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,148 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:04:19,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598]
[2024-11-08 16:04:19,398 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:04:19,411 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:04:19,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598]
[2024-11-08 16:04:19,444 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:04:19,489 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:04:19,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19 WrapperNode
[2024-11-08 16:04:19,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:04:19,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:04:19,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:04:19,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:04:19,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,547 INFO L138 Inliner]: procedures = 18, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47
[2024-11-08 16:04:19,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:04:19,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:04:19,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:04:19,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:04:19,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,575 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2].
[2024-11-08 16:04:19,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:04:19,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:04:19,590 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:04:19,590 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:04:19,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (1/1) ...
[2024-11-08 16:04:19,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:04:19,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:04:19,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:04:19,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:04:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:04:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:04:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 16:04:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:04:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2024-11-08 16:04:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:04:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:04:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 16:04:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 16:04:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:04:19,742 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:04:19,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:04:19,907 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-08 16:04:19,907 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:04:19,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:04:19,920 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:04:19,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:19 BoogieIcfgContainer
[2024-11-08 16:04:19,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:04:19,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:04:19,923 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:04:19,927 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:04:19,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:04:19" (1/3) ...
[2024-11-08 16:04:19,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a0d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:19, skipping insertion in model container
[2024-11-08 16:04:19,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:19" (2/3) ...
[2024-11-08 16:04:19,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7a0d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:19, skipping insertion in model container
[2024-11-08 16:04:19,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:19" (3/3) ...
[2024-11-08 16:04:19,930 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c
[2024-11-08 16:04:19,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:04:19,950 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:04:20,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:04:20,043 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a054e22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:04:20,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:04:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:04:20,052 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:04:20,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:04:20,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:04:20,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:04:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times
[2024-11-08 16:04:20,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:04:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943181589]
[2024-11-08 16:04:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:04:20,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:04:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:04:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:04:20,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:04:20,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943181589]
[2024-11-08 16:04:20,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943181589] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:04:20,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:04:20,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:04:20,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515063010]
[2024-11-08 16:04:20,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:04:20,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 16:04:20,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:04:20,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 16:04:20,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:04:20,259 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:04:20,270 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2024-11-08 16:04:20,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 16:04:20,271 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7
[2024-11-08 16:04:20,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:04:20,277 INFO L225 Difference]: With dead ends: 21
[2024-11-08 16:04:20,277 INFO L226 Difference]: Without dead ends: 8
[2024-11-08 16:04:20,280 INFO L431 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
[2024-11-08 16:04:20,283 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:04:20,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:04:20,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2024-11-08 16:04:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2024-11-08 16:04:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions.
[2024-11-08 16:04:20,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7
[2024-11-08 16:04:20,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:04:20,316 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions.
[2024-11-08 16:04:20,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions.
[2024-11-08 16:04:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:04:20,317 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:04:20,317 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:04:20,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:04:20,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:04:20,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:04:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times
[2024-11-08 16:04:20,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:04:20,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84229171]
[2024-11-08 16:04:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:04:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:04:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:04:20,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:04:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:04:20,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:04:20,420 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:04:20,422 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 16:04:20,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:04:20,427 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 16:04:20,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:04:20,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:04:20 BoogieIcfgContainer
[2024-11-08 16:04:20,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:04:20,448 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:04:20,448 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:04:20,449 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:04:20,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:19" (3/4) ...
[2024-11-08 16:04:20,452 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 16:04:20,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:04:20,454 INFO L158 Benchmark]: Toolchain (without parser) took 1359.82ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 63.7MB in the beginning and 96.8MB in the end (delta: -33.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:04:20,455 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:04:20,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.53ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 63.4MB in the beginning and 118.5MB in the end (delta: -55.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-11-08 16:04:20,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.24ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:04:20,457 INFO L158 Benchmark]: Boogie Preprocessor took 40.80ms. Allocated memory is still 157.3MB. Free memory was 117.0MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:04:20,457 INFO L158 Benchmark]: RCFGBuilder took 331.06ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 123.9MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 16:04:20,458 INFO L158 Benchmark]: TraceAbstraction took 524.65ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 97.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-08 16:04:20,459 INFO L158 Benchmark]: Witness Printer took 5.37ms. Allocated memory is still 157.3MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:04:20,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 393.53ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 63.4MB in the beginning and 118.5MB in the end (delta: -55.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.24ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.80ms. Allocated memory is still 157.3MB. Free memory was 117.0MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 331.06ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 123.9MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 524.65ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 97.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 5.37ms. Allocated memory is still 157.3MB. Free memory is still 96.8MB. 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: 13]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 22.
Possible FailurePath:
[L45] float a,r;
[L47] a = __VERIFIER_nondet_float()
[L48] CALL assume_abort_if_not(a >= 0.1f && a <= 100.f)
[L11] COND FALSE !(!cond)
[L48] RET assume_abort_if_not(a >= 0.1f && a <= 100.f)
[L50] CALL, EXPR InvSqrt(a)
[L22] float xhalf = 0.5f*x;
[L23] union float_int i;
[L24] i.f = x
[L25] EXPR i.i
[L25] i.i = 0x5f3759df - (i.i>>1)
[L26] EXPR i.f
[L26] x = i.f
[L27] x = x*(1.5f-xhalf*x*x)
[L28] return x;
[L28] return x;
VAL [\result=1597463016]
[L50] RET, EXPR InvSqrt(a)
[L50] r = InvSqrt(a)
[L52] CALL __VERIFIER_assert(r >= 0.f && r <= 10.)
[L13] COND TRUE !(cond)
[L13] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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
[2024-11-08 16:04:20,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX --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 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:04:23,085 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:04:23,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-08 16:04:23,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:04:23,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:04:23,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:04:23,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:04:23,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:04:23,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:04:23,251 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:04:23,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:04:23,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:04:23,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:04:23,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:04:23,259 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:04:23,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:04:23,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:04:23,260 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:04:23,260 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:04:23,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:04:23,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:04:23,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:04:23,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:04:23,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 16:04:23,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 16:04:23,263 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:04:23,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 16:04:23,264 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:04:23,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:04:23,264 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:04:23,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:04:23,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:04:23,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:04:23,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:04:23,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:04:23,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:04:23,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:04:23,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:04:23,271 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 16:04:23,271 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 16:04:23,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:04:23,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:04:23,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:04:23,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:04:23,284 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_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f9d99a1e914bb5db4e356a6920ef9cb10f38df5cae5223ce35a4e418e6502dd
[2024-11-08 16:04:23,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:04:23,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:04:23,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:04:23,779 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:04:23,780 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:04:23,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c
Unable to find full path for "g++"
[2024-11-08 16:04:25,900 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:04:26,185 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:04:26,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c
[2024-11-08 16:04:26,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/4697a4f2d/3e5c40e6f067491f987b5724b8fceb00/FLAGb0dee6f6d
[2024-11-08 16:04:26,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/data/4697a4f2d/3e5c40e6f067491f987b5724b8fceb00
[2024-11-08 16:04:26,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:04:26,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:04:26,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:04:26,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:04:26,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:04:26,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b99f662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26, skipping insertion in model container
[2024-11-08 16:04:26,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,527 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:04:26,793 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598]
[2024-11-08 16:04:26,819 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:04:26,841 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:04:26,860 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c[585,598]
[2024-11-08 16:04:26,873 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:04:26,906 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:04:26,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26 WrapperNode
[2024-11-08 16:04:26,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:04:26,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:04:26,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:04:26,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:04:26,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,958 INFO L138 Inliner]: procedures = 21, calls = 17, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48
[2024-11-08 16:04:26,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:04:26,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:04:26,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:04:26,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:04:26,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:26,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,008 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2].
[2024-11-08 16:04:27,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:04:27,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:04:27,042 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:04:27,043 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:04:27,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (1/1) ...
[2024-11-08 16:04:27,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:04:27,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:04:27,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:04:27,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:04:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:04:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 16:04:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 16:04:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 16:04:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-08 16:04:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-08 16:04:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 16:04:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 16:04:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:04:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:04:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-08 16:04:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-08 16:04:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 16:04:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 16:04:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-08 16:04:27,320 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:04:27,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:04:31,610 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live.
[2024-11-08 16:04:31,611 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:04:31,627 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:04:31,628 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:04:31,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:31 BoogieIcfgContainer
[2024-11-08 16:04:31,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:04:31,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:04:31,632 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:04:31,636 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:04:31,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:04:26" (1/3) ...
[2024-11-08 16:04:31,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db04603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:31, skipping insertion in model container
[2024-11-08 16:04:31,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:04:26" (2/3) ...
[2024-11-08 16:04:31,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db04603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:04:31, skipping insertion in model container
[2024-11-08 16:04:31,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:31" (3/3) ...
[2024-11-08 16:04:31,642 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c
[2024-11-08 16:04:31,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:04:31,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:04:31,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:04:31,735 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c52cc95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:04:31,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:04:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:04:31,748 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:04:31,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:04:31,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:04:31,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:04:31,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1804965382, now seen corresponding path program 1 times
[2024-11-08 16:04:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 16:04:31,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510300782]
[2024-11-08 16:04:31,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:04:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 16:04:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 16:04:31,773 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 16:04:31,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-08 16:04:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:04:32,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 16:04:32,067 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:04:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:04:32,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:04:32,082 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 16:04:32,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510300782]
[2024-11-08 16:04:32,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510300782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:04:32,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:04:32,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:04:32,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527726022]
[2024-11-08 16:04:32,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:04:32,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 16:04:32,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 16:04:32,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 16:04:32,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:04:32,117 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:32,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:04:32,129 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2024-11-08 16:04:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 16:04:32,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7
[2024-11-08 16:04:32,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:04:32,140 INFO L225 Difference]: With dead ends: 21
[2024-11-08 16:04:32,140 INFO L226 Difference]: Without dead ends: 8
[2024-11-08 16:04:32,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 16:04:32,150 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:04:32,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:04:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2024-11-08 16:04:32,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2024-11-08 16:04:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions.
[2024-11-08 16:04:32,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 7
[2024-11-08 16:04:32,184 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:04:32,185 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions.
[2024-11-08 16:04:32,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:04:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions.
[2024-11-08 16:04:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 16:04:32,186 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:04:32,187 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:04:32,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-08 16:04:32,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 16:04:32,388 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:04:32,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:04:32,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812424, now seen corresponding path program 1 times
[2024-11-08 16:04:32,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 16:04:32,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531327614]
[2024-11-08 16:04:32,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:04:32,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 16:04:32,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat
[2024-11-08 16:04:32,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-08 16:04:32,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-08 16:04:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:04:34,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-08 16:04:34,327 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:04:42,866 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:04:50,972 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:04:57,526 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:05:01,568 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 10.0))) (= (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode .cse1 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 2.0)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) |c_ULTIMATE.start_InvSqrt_#res#1|) (fp.leq .cse0 ((_ to_fp 8 24) c_currentRoundingMode 100.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false
[2024-11-08 16:05:13,825 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:05:21,988 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:05:30,130 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:05:38,264 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:05:54,534 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:02,623 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:10,790 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:22,902 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:31,103 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:39,223 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:06:43,520 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))) (.cse7 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (or (and (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (let ((.cse2 (let ((.cse5 (let ((.cse8 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8))))) (fp.mul roundNearestTiesToEven .cse5 (fp.sub roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse7 .cse0) .cse5) .cse5)))))) (and (fp.leq .cse0 .cse1) (fp.geq .cse2 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse2) .cse3) (fp.geq .cse0 .cse4))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse9 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (fp.leq .cse9 .cse1) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse10 (let ((.cse11 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11))))) (fp.mul roundNearestTiesToEven .cse10 (fp.sub roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse7 .cse9) .cse10) .cse10))))) .cse3)) (fp.geq .cse9 .cse4)))) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse13 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (not (fp.geq (let ((.cse12 (let ((.cse14 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse14) ((_ extract 30 23) .cse14) ((_ extract 22 0) .cse14))))) (fp.mul roundNearestTiesToEven .cse12 (fp.sub roundNearestTiesToEven .cse6 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse7 .cse13) .cse12) .cse12)))) (_ +zero 8 24))) (fp.leq .cse13 .cse1) (fp.geq .cse13 .cse4))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))))) is different from false
[2024-11-08 16:06:55,788 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:03,868 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:12,024 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:23,267 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:31,432 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:39,558 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-08 16:07:43,628 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (or (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (fp.leq .cse0 .cse1) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse2 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse0) .cse2) .cse2))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.geq .cse0 .cse6)))) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (not (fp.geq (let ((.cse7 (let ((.cse9 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))))) (fp.mul roundNearestTiesToEven .cse7 (fp.sub roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse8) .cse7) .cse7)))) (_ +zero 8 24))) (fp.leq .cse8 .cse1) (fp.geq .cse8 .cse6)))))) is different from false
[2024-11-08 16:07:47,658 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0))) (.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (.cse6 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0)))) (or (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (fp.leq .cse0 .cse1) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse2 (let ((.cse5 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse2 (fp.sub roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse0) .cse2) .cse2))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (fp.geq .cse0 .cse6)))) (exists ((|v_skolemized_q#valueAsBitvector_6| (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_6|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_6|)))) (and (not (fp.geq (let ((.cse7 (let ((.cse9 (bvadd (_ bv1597463007 32) (bvneg (bvashr |v_skolemized_q#valueAsBitvector_6| (_ bv1 32)))))) (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9))))) (fp.mul roundNearestTiesToEven .cse7 (fp.sub roundNearestTiesToEven .cse3 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse4 .cse8) .cse7) .cse7)))) (_ +zero 8 24))) (fp.leq .cse8 .cse1) (fp.geq .cse8 .cse6)))))) is different from true
[2024-11-08 16:07:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:07:47,659 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:07:47,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 16:07:47,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531327614]
[2024-11-08 16:07:47,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531327614] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:07:47,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:07:47,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-08 16:07:47,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603213254]
[2024-11-08 16:07:47,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:07:47,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 16:07:47,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 16:07:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 16:07:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=13, Unknown=4, NotChecked=24, Total=56
[2024-11-08 16:07:47,665 INFO L87 Difference]: Start difference. First operand 8 states and 7 transitions. Second operand has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:07:51,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 16:07:55,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 16:07:59,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 16:07:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:07:59,859 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions.
[2024-11-08 16:07:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-08 16:07:59,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 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 7
[2024-11-08 16:07:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:07:59,892 INFO L225 Difference]: With dead ends: 8
[2024-11-08 16:07:59,892 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 16:07:59,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=15, Invalid=13, Unknown=4, NotChecked=24, Total=56
[2024-11-08 16:07:59,895 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:07:59,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 3 Unknown, 22 Unchecked, 12.2s Time]
[2024-11-08 16:07:59,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 16:07:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 16:07:59,898 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)
[2024-11-08 16:07:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 16:07:59,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7
[2024-11-08 16:07:59,899 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:07:59,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 16:07:59,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:07:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 16:07:59,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 16:07:59,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 16:07:59,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-08 16:08:00,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-08 16:08:00,107 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 16:08:00,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 16:08:00,117 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:08:00,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:08:00 BoogieIcfgContainer
[2024-11-08 16:08:00,128 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:08:00,129 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:08:00,129 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:08:00,129 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:08:00,130 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:04:31" (3/4) ...
[2024-11-08 16:08:00,134 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:08:00,146 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-08 16:08:00,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 16:08:00,148 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:08:00,149 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 16:08:00,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:08:00,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:08:00,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:08:00,282 INFO L158 Benchmark]: Toolchain (without parser) took 213796.51ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 51.8MB in the end (delta: 12.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,283 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:08:00,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.39ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 50.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.91ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,284 INFO L158 Benchmark]: Boogie Preprocessor took 79.25ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 46.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,284 INFO L158 Benchmark]: RCFGBuilder took 4586.37ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 56.5MB in the end (delta: -9.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,285 INFO L158 Benchmark]: TraceAbstraction took 208497.17ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 56.5MB in the end (delta: -461.5kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,285 INFO L158 Benchmark]: Witness Printer took 152.58ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 51.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:08:00,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.88ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 73.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 420.39ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 50.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.91ms. Allocated memory is still 88.1MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 79.25ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 46.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 4586.37ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 56.5MB in the end (delta: -9.6MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 208497.17ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 56.5MB in the end (delta: -461.5kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB.
* Witness Printer took 152.58ms. Allocated memory is still 88.1MB. Free memory was 56.5MB in the beginning and 51.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. 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
- PositiveResult [Line: 13]: 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 208.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 22 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 10, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 193.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 3 QuantifiedInterpolants, 871 SizeOfPredicates, 2 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 18 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
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:08:00,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d6afcb-7946-46ce-85ab-d94e276ec692/bin/uautomizer-verify-jihMAELWvX/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
Writing output log to file Ultimate.log
Result:
TRUE