./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b5237d83
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-b5237d8
[2022-11-21 17:10:11,798 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-21 17:10:11,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 17:10:11,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 17:10:11,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 17:10:11,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 17:10:11,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 17:10:11,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 17:10:11,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 17:10:11,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 17:10:11,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 17:10:11,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 17:10:11,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 17:10:11,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 17:10:11,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 17:10:11,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 17:10:11,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 17:10:11,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 17:10:11,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 17:10:11,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 17:10:11,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 17:10:11,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 17:10:11,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 17:10:11,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 17:10:11,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 17:10:11,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 17:10:11,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 17:10:11,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 17:10:11,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 17:10:11,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 17:10:11,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 17:10:11,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 17:10:11,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 17:10:11,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 17:10:11,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 17:10:11,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 17:10:11,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 17:10:11,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 17:10:11,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 17:10:11,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 17:10:11,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 17:10:11,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-21 17:10:11,918 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-21 17:10:11,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 17:10:11,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 17:10:11,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 17:10:11,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 17:10:11,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 17:10:11,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 17:10:11,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-21 17:10:11,921 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-21 17:10:11,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 17:10:11,921 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-21 17:10:11,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-21 17:10:11,922 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-21 17:10:11,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-21 17:10:11,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 17:10:11,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 17:10:11,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 17:10:11,923 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-21 17:10:11,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-21 17:10:11,923 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-21 17:10:11,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-21 17:10:11,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 17:10:11,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-21 17:10:11,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-21 17:10:11,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 17:10:11,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 17:10:11,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 17:10:11,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 17:10:11,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-21 17:10:11,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-21 17:10:11,925 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 17:10:11,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 17:10:11,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 17:10:11,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd
[2022-11-21 17:10:12,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 17:10:12,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 17:10:12,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 17:10:12,257 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-21 17:10:12,257 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-21 17:10:12,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c
[2022-11-21 17:10:15,304 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-21 17:10:15,551 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-21 17:10:15,552 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c
[2022-11-21 17:10:15,562 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/249d2a8e6/22329e89e6f143d5840e2fc21d8eee57/FLAG91cef3585
[2022-11-21 17:10:15,576 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/249d2a8e6/22329e89e6f143d5840e2fc21d8eee57
[2022-11-21 17:10:15,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 17:10:15,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 17:10:15,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 17:10:15,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 17:10:15,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 17:10:15,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:15,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17195278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15, skipping insertion in model container
[2022-11-21 17:10:15,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:15,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-21 17:10:15,624 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-21 17:10:15,853 WARN L237 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_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442]
[2022-11-21 17:10:15,861 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 17:10:15,873 INFO L203 MainTranslator]: Completed pre-run
[2022-11-21 17:10:15,913 WARN L237 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_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442]
[2022-11-21 17:10:15,914 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 17:10:15,930 INFO L208 MainTranslator]: Completed translation
[2022-11-21 17:10:15,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15 WrapperNode
[2022-11-21 17:10:15,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 17:10:15,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 17:10:15,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 17:10:15,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 17:10:15,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:15,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:15,987 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73
[2022-11-21 17:10:15,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 17:10:15,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 17:10:15,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 17:10:15,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 17:10:15,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:15,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,033 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 17:10:16,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 17:10:16,037 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 17:10:16,037 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-21 17:10:16,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (1/1) ...
[2022-11-21 17:10:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 17:10:16,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 17:10:16,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 17:10:16,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 17:10:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 17:10:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-21 17:10:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-21 17:10:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2022-11-21 17:10:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-21 17:10:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2022-11-21 17:10:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 17:10:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 17:10:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-21 17:10:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-21 17:10:16,203 INFO L235 CfgBuilder]: Building ICFG
[2022-11-21 17:10:16,205 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 17:10:16,369 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-21 17:10:16,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 17:10:16,375 INFO L300 CfgBuilder]: Removed 6 assume(true) statements.
[2022-11-21 17:10:16,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:10:16 BoogieIcfgContainer
[2022-11-21 17:10:16,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 17:10:16,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 17:10:16,394 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 17:10:16,397 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-21 17:10:16,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:10:15" (1/3) ...
[2022-11-21 17:10:16,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bb930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:10:16, skipping insertion in model container
[2022-11-21 17:10:16,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:15" (2/3) ...
[2022-11-21 17:10:16,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bb930b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:10:16, skipping insertion in model container
[2022-11-21 17:10:16,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:10:16" (3/3) ...
[2022-11-21 17:10:16,401 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071.c
[2022-11-21 17:10:16,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 17:10:16,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-21 17:10:16,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 17:10:16,511 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@684d107c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 17:10:16,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-21 17:10:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 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)
[2022-11-21 17:10:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-21 17:10:16,527 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:16,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:16,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:16,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1945097259, now seen corresponding path program 1 times
[2022-11-21 17:10:16,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 17:10:16,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553778314]
[2022-11-21 17:10:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 17:10:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 17:10:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 17:10:16,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 17:10:16,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553778314]
[2022-11-21 17:10:16,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553778314] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 17:10:16,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 17:10:16,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 17:10:16,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487957423]
[2022-11-21 17:10:16,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 17:10:16,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-21 17:10:16,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 17:10:16,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-21 17:10:16,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 17:10:16,828 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 17:10:16,849 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions.
[2022-11-21 17:10:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-21 17:10:16,852 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-21 17:10:16,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 17:10:16,860 INFO L225 Difference]: With dead ends: 40
[2022-11-21 17:10:16,861 INFO L226 Difference]: Without dead ends: 18
[2022-11-21 17:10:16,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 17:10:16,871 INFO L413 NwaCegarLoop]: 23 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, 23 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
[2022-11-21 17:10:16,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-21 17:10:16,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-21 17:10:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-21 17:10:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2022-11-21 17:10:16,912 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10
[2022-11-21 17:10:16,913 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 17:10:16,914 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2022-11-21 17:10:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2022-11-21 17:10:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-21 17:10:16,915 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:16,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:16,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-21 17:10:16,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:16,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:16,920 INFO L85 PathProgramCache]: Analyzing trace with hash -390209938, now seen corresponding path program 1 times
[2022-11-21 17:10:16,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 17:10:16,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271484289]
[2022-11-21 17:10:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:16,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 17:10:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-21 17:10:17,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-21 17:10:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-21 17:10:17,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-21 17:10:17,139 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-21 17:10:17,141 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-21 17:10:17,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-21 17:10:17,148 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-21 17:10:17,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-21 17:10:17,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:10:17 BoogieIcfgContainer
[2022-11-21 17:10:17,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-21 17:10:17,180 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-21 17:10:17,180 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-21 17:10:17,182 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-21 17:10:17,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:10:16" (3/4) ...
[2022-11-21 17:10:17,189 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-21 17:10:17,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-21 17:10:17,190 INFO L158 Benchmark]: Toolchain (without parser) took 1601.32ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 79.6MB in the end (delta: 57.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
[2022-11-21 17:10:17,191 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 169.9MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 17:10:17,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.71ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 125.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-21 17:10:17,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.83ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 123.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 17:10:17,196 INFO L158 Benchmark]: Boogie Preprocessor took 47.38ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 122.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-21 17:10:17,197 INFO L158 Benchmark]: RCFGBuilder took 340.92ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-21 17:10:17,197 INFO L158 Benchmark]: TraceAbstraction took 799.70ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 80.1MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2022-11-21 17:10:17,198 INFO L158 Benchmark]: Witness Printer took 9.54ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 79.6MB in the end (delta: 504.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 17:10:17,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 169.9MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 339.71ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 125.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 55.83ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 123.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.38ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 122.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 340.92ms. Allocated memory is still 169.9MB. Free memory was 122.1MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 799.70ms. Allocated memory is still 169.9MB. Free memory was 108.5MB in the beginning and 80.1MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Witness Printer took 9.54ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 79.6MB in the end (delta: 504.5kB). 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: 59]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 40, overapproximation of bitwiseAnd at line 21.
Possible FailurePath:
[L54] float x = 0.0f / 0.0f;
[L55] CALL, EXPR trunc_float(x)
[L15] __int32_t signbit, w, exponent_less_127;
VAL [\old(x)=8589934599, x=8589934599]
[L17] ieee_float_shape_type gf_u;
[L18] gf_u.value = (x)
[L19] EXPR gf_u.word
[L19] (w) = gf_u.word
[L21] signbit = w & 0x80000000
[L22] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127
VAL [\old(x)=8589934599, exponent_less_127=255, signbit=4294967295, w=-1, x=8589934599]
[L23] COND FALSE !(exponent_less_127 < 23)
VAL [\old(x)=8589934599, exponent_less_127=255, signbit=4294967295, w=-1, x=8589934599]
[L39] COND TRUE exponent_less_127 == 255
[L40] return x + x;
VAL [\old(x)=8589934599, exponent_less_127=255, signbit=4294967295, w=-1, x=8589934599]
[L55] RET, EXPR trunc_float(x)
[L55] float res = trunc_float(x);
[L58] CALL, EXPR isnan_float(res)
[L46] return x != x;
VAL [\old(x)=8589934600, \result=0, x=8589934600]
[L58] RET, EXPR isnan_float(res)
[L58] COND TRUE !isnan_float(res)
[L59] reach_error()
VAL [res=8589934600, x=8589934599]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 23 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, 23 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=21occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-11-21 17:10:17,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-b5237d8
[2022-11-21 17:10:19,725 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-21 17:10:19,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 17:10:19,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 17:10:19,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 17:10:19,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 17:10:19,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 17:10:19,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 17:10:19,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 17:10:19,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 17:10:19,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 17:10:19,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 17:10:19,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 17:10:19,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 17:10:19,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 17:10:19,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 17:10:19,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 17:10:19,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 17:10:19,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 17:10:19,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 17:10:19,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 17:10:19,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 17:10:19,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 17:10:19,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 17:10:19,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 17:10:19,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 17:10:19,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 17:10:19,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 17:10:19,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 17:10:19,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 17:10:19,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 17:10:19,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 17:10:19,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 17:10:19,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 17:10:19,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 17:10:19,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 17:10:19,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 17:10:19,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 17:10:19,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 17:10:19,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 17:10:19,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 17:10:19,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-21 17:10:19,860 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-21 17:10:19,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 17:10:19,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 17:10:19,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 17:10:19,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 17:10:19,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 17:10:19,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 17:10:19,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-21 17:10:19,867 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-21 17:10:19,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 17:10:19,868 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-21 17:10:19,869 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-21 17:10:19,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-21 17:10:19,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 17:10:19,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 17:10:19,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 17:10:19,870 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-21 17:10:19,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-11-21 17:10:19,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-21 17:10:19,870 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-21 17:10:19,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-21 17:10:19,871 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-21 17:10:19,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-21 17:10:19,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 17:10:19,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-21 17:10:19,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-21 17:10:19,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 17:10:19,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 17:10:19,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 17:10:19,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 17:10:19,873 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-11-21 17:10:19,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-21 17:10:19,873 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 17:10:19,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 17:10:19,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 17:10:19,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-21 17:10:19,874 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55d78fe353fd0931b2d447fd45670a80ea73f6385110d8a7ff7bce3171c541bd
[2022-11-21 17:10:20,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 17:10:20,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 17:10:20,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 17:10:20,335 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-21 17:10:20,336 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-21 17:10:20,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/float-newlib/float_req_bl_1071.c
[2022-11-21 17:10:23,466 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-21 17:10:23,697 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-21 17:10:23,697 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c
[2022-11-21 17:10:23,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/ad77187a8/727693c82f9e4c29845129b6e4f44f96/FLAGb24976f44
[2022-11-21 17:10:23,719 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/data/ad77187a8/727693c82f9e4c29845129b6e4f44f96
[2022-11-21 17:10:23,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 17:10:23,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 17:10:23,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 17:10:23,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 17:10:23,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 17:10:23,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:10:23" (1/1) ...
[2022-11-21 17:10:23,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67de8a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:23, skipping insertion in model container
[2022-11-21 17:10:23,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:10:23" (1/1) ...
[2022-11-21 17:10:23,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-21 17:10:23,760 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-21 17:10:23,942 WARN L237 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_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442]
[2022-11-21 17:10:23,947 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 17:10:23,987 INFO L203 MainTranslator]: Completed pre-run
[2022-11-21 17:10:24,008 WARN L237 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_5b7139a4-1e33-4410-9512-1037c068ae47/sv-benchmarks/c/float-newlib/float_req_bl_1071.c[1429,1442]
[2022-11-21 17:10:24,009 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-21 17:10:24,024 INFO L208 MainTranslator]: Completed translation
[2022-11-21 17:10:24,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24 WrapperNode
[2022-11-21 17:10:24,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 17:10:24,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 17:10:24,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 17:10:24,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 17:10:24,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,062 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73
[2022-11-21 17:10:24,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 17:10:24,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 17:10:24,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 17:10:24,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 17:10:24,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 17:10:24,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 17:10:24,095 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 17:10:24,095 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-21 17:10:24,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (1/1) ...
[2022-11-21 17:10:24,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 17:10:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 17:10:24,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 17:10:24,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 17:10:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 17:10:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-21 17:10:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-21 17:10:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2022-11-21 17:10:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-11-21 17:10:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 17:10:24,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 17:10:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2022-11-21 17:10:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-11-21 17:10:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-21 17:10:24,317 INFO L235 CfgBuilder]: Building ICFG
[2022-11-21 17:10:24,319 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 17:10:24,619 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-21 17:10:24,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 17:10:24,624 INFO L300 CfgBuilder]: Removed 6 assume(true) statements.
[2022-11-21 17:10:24,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:10:24 BoogieIcfgContainer
[2022-11-21 17:10:24,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 17:10:24,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 17:10:24,628 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 17:10:24,631 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-21 17:10:24,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:10:23" (1/3) ...
[2022-11-21 17:10:24,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363475a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:10:24, skipping insertion in model container
[2022-11-21 17:10:24,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:10:24" (2/3) ...
[2022-11-21 17:10:24,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363475a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:10:24, skipping insertion in model container
[2022-11-21 17:10:24,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:10:24" (3/3) ...
[2022-11-21 17:10:24,634 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1071.c
[2022-11-21 17:10:24,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 17:10:24,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-21 17:10:24,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 17:10:24,745 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50d35353, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 17:10:24,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-21 17:10:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 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)
[2022-11-21 17:10:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-21 17:10:24,757 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:24,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:24,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:24,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1945097259, now seen corresponding path program 1 times
[2022-11-21 17:10:24,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 17:10:24,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587301930]
[2022-11-21 17:10:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:24,781 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
[2022-11-21 17:10:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 17:10:24,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 17:10:24,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 17:10:24,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-11-21 17:10:24,947 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 17:10:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 17:10:24,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 17:10:24,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-21 17:10:24,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587301930]
[2022-11-21 17:10:24,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587301930] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 17:10:24,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 17:10:24,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 17:10:24,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287911003]
[2022-11-21 17:10:24,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 17:10:24,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-21 17:10:24,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-21 17:10:25,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-21 17:10:25,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 17:10:25,034 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:25,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 17:10:25,057 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions.
[2022-11-21 17:10:25,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-21 17:10:25,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-21 17:10:25,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 17:10:25,086 INFO L225 Difference]: With dead ends: 40
[2022-11-21 17:10:25,087 INFO L226 Difference]: Without dead ends: 18
[2022-11-21 17:10:25,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 17:10:25,094 INFO L413 NwaCegarLoop]: 23 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, 23 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
[2022-11-21 17:10:25,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-21 17:10:25,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-21 17:10:25,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-21 17:10:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2022-11-21 17:10:25,131 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10
[2022-11-21 17:10:25,131 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 17:10:25,132 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2022-11-21 17:10:25,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2022-11-21 17:10:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-21 17:10:25,134 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:25,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:25,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-11-21 17:10:25,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:25,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:25,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash -390209938, now seen corresponding path program 1 times
[2022-11-21 17:10:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 17:10:25,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025994658]
[2022-11-21 17:10:25,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:25,359 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
[2022-11-21 17:10:25,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 17:10:25,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 17:10:25,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 17:10:25,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-21 17:10:25,468 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 17:10:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 17:10:25,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 17:10:25,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-21 17:10:25,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025994658]
[2022-11-21 17:10:25,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025994658] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 17:10:25,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 17:10:25,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-21 17:10:25,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265156195]
[2022-11-21 17:10:25,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 17:10:25,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-21 17:10:25,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-21 17:10:25,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-21 17:10:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 17:10:25,605 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2022-11-21 17:10:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 17:10:25,658 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions.
[2022-11-21 17:10:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-21 17:10:25,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11
[2022-11-21 17:10:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 17:10:25,660 INFO L225 Difference]: With dead ends: 29
[2022-11-21 17:10:25,660 INFO L226 Difference]: Without dead ends: 24
[2022-11-21 17:10:25,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-21 17:10:25,661 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 25 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-21 17:10:25,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 24 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-21 17:10:25,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2022-11-21 17:10:25,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18.
[2022-11-21 17:10:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions.
[2022-11-21 17:10:25,669 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 11
[2022-11-21 17:10:25,669 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 17:10:25,669 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions.
[2022-11-21 17:10:25,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2022-11-21 17:10:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions.
[2022-11-21 17:10:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-11-21 17:10:25,671 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:25,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:25,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-11-21 17:10:25,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:25,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash 843742638, now seen corresponding path program 1 times
[2022-11-21 17:10:25,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 17:10:25,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083652439]
[2022-11-21 17:10:25,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:25,892 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
[2022-11-21 17:10:25,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 17:10:25,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 17:10:25,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-11-21 17:10:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 17:10:25,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-21 17:10:25,986 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 17:10:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 17:10:26,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 17:10:26,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-21 17:10:26,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083652439]
[2022-11-21 17:10:26,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083652439] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 17:10:26,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 17:10:26,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-21 17:10:26,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239136472]
[2022-11-21 17:10:26,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 17:10:26,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-21 17:10:26,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-21 17:10:26,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-21 17:10:26,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-21 17:10:26,166 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 17:10:26,375 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions.
[2022-11-21 17:10:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-21 17:10:26,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2022-11-21 17:10:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 17:10:26,376 INFO L225 Difference]: With dead ends: 24
[2022-11-21 17:10:26,376 INFO L226 Difference]: Without dead ends: 17
[2022-11-21 17:10:26,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-21 17:10:26,378 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-21 17:10:26,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-21 17:10:26,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2022-11-21 17:10:26,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2022-11-21 17:10:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2022-11-21 17:10:26,384 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12
[2022-11-21 17:10:26,384 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-21 17:10:26,385 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2022-11-21 17:10:26,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 17:10:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2022-11-21 17:10:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-21 17:10:26,386 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-21 17:10:26,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 17:10:26,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2022-11-21 17:10:26,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:26,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 17:10:26,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 17:10:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2105231138, now seen corresponding path program 1 times
[2022-11-21 17:10:26,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 17:10:26,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714067655]
[2022-11-21 17:10:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 17:10:26,600 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
[2022-11-21 17:10:26,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 17:10:26,601 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 17:10:26,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-11-21 17:10:26,711 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Exception during sending of exit command (exit): Broken pipe
[2022-11-21 17:10:26,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 139
[2022-11-21 17:10:26,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 17:10:26,912 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:91)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:132)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:215)
... 30 more
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239)
... 37 more
[2022-11-21 17:10:26,927 INFO L158 Benchmark]: Toolchain (without parser) took 3201.09ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 52.6MB in the beginning and 110.1MB in the end (delta: -57.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-21 17:10:26,927 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 17:10:26,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.02ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 72.4MB in the end (delta: -20.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
[2022-11-21 17:10:26,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-21 17:10:26,928 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 17:10:26,929 INFO L158 Benchmark]: RCFGBuilder took 531.56ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 57.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-21 17:10:26,929 INFO L158 Benchmark]: TraceAbstraction took 2295.32ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 56.4MB in the beginning and 110.1MB in the end (delta: -53.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
[2022-11-21 17:10:26,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 301.02ms. Allocated memory is still 94.4MB. Free memory was 52.3MB in the beginning and 72.4MB in the end (delta: -20.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.47ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 70.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 30.79ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 531.56ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 57.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 2295.32ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 56.4MB in the beginning and 110.1MB in the end (delta: -53.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-11-21 17:10:26,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7139a4-1e33-4410-9512-1037c068ae47/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.