./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0
--- 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-5e519f3
[2022-11-02 20:30:22,840 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:30:22,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:30:22,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:30:22,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:30:22,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:30:22,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:30:22,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:30:22,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:30:22,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:30:22,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:30:22,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:30:22,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:30:22,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:30:22,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:30:22,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:30:22,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:30:22,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:30:22,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:30:22,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:30:22,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:30:22,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:30:22,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:30:22,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:30:22,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:30:22,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:30:22,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:30:22,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:30:22,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:30:22,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:30:22,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:30:22,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:30:22,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:30:22,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:30:22,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:30:22,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:30:22,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:30:22,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:30:22,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:30:22,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:30:22,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:30:22,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:30:23,014 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:30:23,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:30:23,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:30:23,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:30:23,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:30:23,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:30:23,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:30:23,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:30:23,017 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:30:23,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:30:23,018 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:30:23,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:30:23,019 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:30:23,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:30:23,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:30:23,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:30:23,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:30:23,020 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:30:23,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:30:23,020 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:30:23,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:30:23,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:30:23,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:30:23,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:30:23,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:30:23,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:30:23,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:30:23,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:30:23,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:30:23,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:30:23,024 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:30:23,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:30:23,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:30:23,025 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_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0
[2022-11-02 20:30:23,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:30:23,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:30:23,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:30:23,394 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:30:23,397 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:30:23,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c
[2022-11-02 20:30:23,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/11b35beea/a1aaff98df1d42608319df4786e38627/FLAGda2eadd7c
[2022-11-02 20:30:23,960 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:30:23,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c
[2022-11-02 20:30:23,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/11b35beea/a1aaff98df1d42608319df4786e38627/FLAGda2eadd7c
[2022-11-02 20:30:24,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/11b35beea/a1aaff98df1d42608319df4786e38627
[2022-11-02 20:30:24,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:30:24,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:30:24,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:30:24,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:30:24,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:30:24,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df022fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24, skipping insertion in model container
[2022-11-02 20:30:24,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:30:24,362 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:30:24,665 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023]
[2022-11-02 20:30:24,673 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180]
[2022-11-02 20:30:24,677 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306]
[2022-11-02 20:30:24,678 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:30:24,711 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:30:24,739 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023]
[2022-11-02 20:30:24,743 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180]
[2022-11-02 20:30:24,748 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306]
[2022-11-02 20:30:24,750 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:30:24,765 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:30:24,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24 WrapperNode
[2022-11-02 20:30:24,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:30:24,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:30:24,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:30:24,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:30:24,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,804 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30
[2022-11-02 20:30:24,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:30:24,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:30:24,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:30:24,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:30:24,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:30:24,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:30:24,843 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:30:24,843 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:30:24,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (1/1) ...
[2022-11-02 20:30:24,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:30:24,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:30:24,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:30:24,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:30:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:30:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:30:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:30:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:30:25,027 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:30:25,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:30:25,188 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:30:25,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:30:25,203 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:30:25,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:25 BoogieIcfgContainer
[2022-11-02 20:30:25,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:30:25,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:30:25,210 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:30:25,217 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:30:25,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:24" (1/3) ...
[2022-11-02 20:30:25,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44917ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:25, skipping insertion in model container
[2022-11-02 20:30:25,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:24" (2/3) ...
[2022-11-02 20:30:25,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44917ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:25, skipping insertion in model container
[2022-11-02 20:30:25,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:25" (3/3) ...
[2022-11-02 20:30:25,221 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp6.c
[2022-11-02 20:30:25,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:30:25,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2022-11-02 20:30:25,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:30:25,316 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;@14711008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:30:25,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-11-02 20:30:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 16 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)
[2022-11-02 20:30:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:30:25,327 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:30:25,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:30:25,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:30:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:25,334 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times
[2022-11-02 20:30:25,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:30:25,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808684441]
[2022-11-02 20:30:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:25,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:30:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:30:25,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:30:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:30:25,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:30:25,468 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:30:25,470 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-11-02 20:30:25,472 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2022-11-02 20:30:25,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining)
[2022-11-02 20:30:25,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:30:25,479 INFO L444 BasicCegarLoop]: Path program histogram: [1]
[2022-11-02 20:30:25,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:30:25,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:25 BoogieIcfgContainer
[2022-11-02 20:30:25,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:30:25,509 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:30:25,510 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:30:25,510 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:30:25,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:25" (3/4) ...
[2022-11-02 20:30:25,515 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 20:30:25,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:30:25,516 INFO L158 Benchmark]: Toolchain (without parser) took 1191.91ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 46.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB.
[2022-11-02 20:30:25,517 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:30:25,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.78ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 72.0MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:30:25,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:25,526 INFO L158 Benchmark]: Boogie Preprocessor took 33.02ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 819.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:30:25,528 INFO L158 Benchmark]: RCFGBuilder took 366.34ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 60.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:30:25,529 INFO L158 Benchmark]: TraceAbstraction took 297.71ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:30:25,530 INFO L158 Benchmark]: Witness Printer took 5.77ms. Allocated memory is still 100.7MB. Free memory was 47.0MB in the beginning and 46.6MB in the end (delta: 385.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:30:25,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 439.78ms. Allocated memory is still 100.7MB. Free memory was 57.1MB in the beginning and 72.0MB in the end (delta: -14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.38ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.02ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 69.6MB in the end (delta: 819.2kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 366.34ms. Allocated memory is still 100.7MB. Free memory was 69.6MB in the beginning and 60.7MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 297.71ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Witness Printer took 5.77ms. Allocated memory is still 100.7MB. Free memory was 47.0MB in the beginning and 46.6MB in the end (delta: 385.0kB). 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: 25]: 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 25, overapproximation of someBinaryArithmeticFLOAToperation at line 23.
Possible FailurePath:
[L49] CALL multiply()
[L20] float f1=0x1.000000p-1f;
[L21] float f2=0x1.fffffep-126f;
[L23] float res = f1 * f2;
VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312]
[L25] COND TRUE !(res == 0x1.0p-126f)
VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312]
[L25] reach_error()
VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312]
- UnprovableResult [Line: 35]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: Not analyzed.
- UnprovableResult [Line: 44]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 17 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-11-02 20:30:25,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/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_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc --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 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0
--- 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-5e519f3
[2022-11-02 20:30:27,907 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:30:27,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:30:27,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:30:27,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:30:27,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:30:27,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:30:27,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:30:27,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:30:27,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:30:27,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:30:27,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:30:27,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:30:27,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:30:27,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:30:27,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:30:27,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:30:27,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:30:28,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:30:28,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:30:28,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:30:28,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:30:28,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:30:28,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:30:28,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:30:28,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:30:28,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:30:28,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:30:28,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:30:28,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:30:28,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:30:28,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:30:28,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:30:28,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:30:28,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:30:28,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:30:28,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:30:28,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:30:28,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:30:28,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:30:28,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:30:28,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-02 20:30:28,096 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:30:28,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:30:28,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:30:28,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:30:28,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:30:28,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:30:28,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:30:28,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:30:28,104 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:30:28,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:30:28,105 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:30:28,105 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:30:28,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:30:28,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:30:28,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:30:28,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:30:28,107 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-02 20:30:28,107 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-11-02 20:30:28,107 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-02 20:30:28,108 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:30:28,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:30:28,109 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:30:28,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:30:28,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:30:28,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:30:28,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:30:28,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:30:28,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:30:28,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:30:28,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:30:28,111 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-11-02 20:30:28,111 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-02 20:30:28,112 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:30:28,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:30:28,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:30:28,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-02 20:30:28,112 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_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0
[2022-11-02 20:30:28,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:30:28,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:30:28,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:30:28,545 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:30:28,546 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:30:28,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c
[2022-11-02 20:30:28,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/05f33a3e9/941d559b519b4deeb0053a443420daec/FLAGd6acea722
[2022-11-02 20:30:29,008 ERROR L? ?]: Error during toolchain job processing:
java.lang.NullPointerException
at de.uni_freiburg.informatik.ultimate.cdt.parser.UltimateCdtExternalSettingsProvider.getSettings(UltimateCdtExternalSettingsProvider.java:67)
at org.eclipse.cdt.core.settings.model.extension.CExternalSettingProvider.getSettings(CExternalSettingProvider.java:48)
at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory$CExtensionSettingProviderDescriptor.getContainer(ExtensionContainerFactory.java:110)
at org.eclipse.cdt.internal.core.settings.model.ExtensionContainerFactory.createContainer(ExtensionContainerFactory.java:186)
at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$ContainerDescriptor.<init>(CExternalSettingsManager.java:147)
at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.checkExternalSettingsChange(CExternalSettingsManager.java:683)
at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager.processContainerChange(CExternalSettingsManager.java:501)
at org.eclipse.cdt.internal.core.settings.model.CExternalSettingsManager$2.run(CExternalSettingsManager.java:615)
at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$5.run(CProjectDescriptionManager.java:508)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2292)
at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.runAtomic(CProjectDescriptionManager.java:504)
at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager$4.run(CProjectDescriptionManager.java:484)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-11-02 20:30:29,196 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:30:29,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c
[2022-11-02 20:30:29,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/05f33a3e9/941d559b519b4deeb0053a443420daec/FLAGd6acea722
[2022-11-02 20:30:29,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/data/05f33a3e9/941d559b519b4deeb0053a443420daec
[2022-11-02 20:30:29,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:30:29,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:30:29,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:30:29,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:30:29,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:30:29,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:29,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fdec35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29, skipping insertion in model container
[2022-11-02 20:30:29,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:29,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:30:29,603 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:30:29,861 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023]
[2022-11-02 20:30:29,868 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180]
[2022-11-02 20:30:29,872 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306]
[2022-11-02 20:30:29,873 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:30:29,890 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:30:29,913 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023]
[2022-11-02 20:30:29,918 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180]
[2022-11-02 20:30:29,924 WARN L230 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_624be630-7236-472a-8095-b603524d7473/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306]
[2022-11-02 20:30:29,925 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:30:29,946 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:30:29,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29 WrapperNode
[2022-11-02 20:30:29,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:30:29,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:30:29,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:30:29,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:30:29,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:29,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:29,998 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31
[2022-11-02 20:30:29,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:30:29,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:30:30,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:30:30,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:30:30,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,042 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:30:30,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:30:30,054 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:30:30,054 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:30:30,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (1/1) ...
[2022-11-02 20:30:30,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:30:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:30:30,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:30:30,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:30:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:30:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-02 20:30:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:30:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:30:30,241 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:30:30,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:30:31,237 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:30:31,244 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:30:31,244 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:30:31,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:31 BoogieIcfgContainer
[2022-11-02 20:30:31,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:30:31,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:30:31,249 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:30:31,252 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:30:31,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:29" (1/3) ...
[2022-11-02 20:30:31,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b594129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:31, skipping insertion in model container
[2022-11-02 20:30:31,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:29" (2/3) ...
[2022-11-02 20:30:31,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b594129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:31, skipping insertion in model container
[2022-11-02 20:30:31,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:31" (3/3) ...
[2022-11-02 20:30:31,256 INFO L112 eAbstractionObserver]: Analyzing ICFG float-no-simp6.c
[2022-11-02 20:30:31,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:30:31,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2022-11-02 20:30:31,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:30:31,333 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;@29fb688e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:30:31,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-11-02 20:30:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 16 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)
[2022-11-02 20:30:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:30:31,344 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:30:31,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:30:31,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:30:31,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:31,350 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times
[2022-11-02 20:30:31,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:30:31,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777361104]
[2022-11-02 20:30:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:31,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:30:31,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:30:31,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:30:31,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-11-02 20:30:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:31,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-02 20:30:31,529 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:30:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:30:31,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:30:31,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:30:31,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777361104]
[2022-11-02 20:30:31,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777361104] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:31,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:31,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:30:31,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464442280]
[2022-11-02 20:30:31,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:31,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:30:31,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:30:31,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:30:31,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:31,724 INFO L87 Difference]: Start difference. First operand has 17 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 16 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2022-11-02 20:30:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:32,135 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions.
[2022-11-02 20:30:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:30:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2022-11-02 20:30:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:32,145 INFO L225 Difference]: With dead ends: 29
[2022-11-02 20:30:32,145 INFO L226 Difference]: Without dead ends: 11
[2022-11-02 20:30:32,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:32,153 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 25 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:30:32,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 6 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:30:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2022-11-02 20:30:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2022-11-02 20:30:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 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)
[2022-11-02 20:30:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions.
[2022-11-02 20:30:32,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 4
[2022-11-02 20:30:32,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:32,186 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions.
[2022-11-02 20:30:32,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2022-11-02 20:30:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions.
[2022-11-02 20:30:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:30:32,188 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:30:32,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:30:32,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:30:32,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:30:32,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:30:32,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:32,406 INFO L85 PathProgramCache]: Analyzing trace with hash 889629862, now seen corresponding path program 1 times
[2022-11-02 20:30:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:30:32,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557035015]
[2022-11-02 20:30:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:32,408 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:30:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:30:32,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:30:32,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-11-02 20:30:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:32,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-02 20:30:32,661 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:30:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:30:32,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:30:32,767 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:30:32,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557035015]
[2022-11-02 20:30:32,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557035015] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:32,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:32,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:30:32,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048233398]
[2022-11-02 20:30:32,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:32,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:30:32,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:30:32,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:30:32,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:32,772 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:33,047 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions.
[2022-11-02 20:30:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:30:33,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2022-11-02 20:30:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:33,050 INFO L225 Difference]: With dead ends: 11
[2022-11-02 20:30:33,050 INFO L226 Difference]: Without dead ends: 9
[2022-11-02 20:30:33,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:33,052 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:30:33,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:30:33,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2022-11-02 20:30:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2022-11-02 20:30:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2022-11-02 20:30:33,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6
[2022-11-02 20:30:33,055 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:33,055 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2022-11-02 20:30:33,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2022-11-02 20:30:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:30:33,056 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:30:33,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:30:33,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:30:33,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:30:33,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:30:33,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:30:33,258 INFO L85 PathProgramCache]: Analyzing trace with hash 235930184, now seen corresponding path program 1 times
[2022-11-02 20:30:33,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:30:33,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826382954]
[2022-11-02 20:30:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:30:33,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:30:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:30:33,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:30:33,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-11-02 20:30:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:30:33,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-02 20:30:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:30:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:30:33,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:30:33,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:30:33,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826382954]
[2022-11-02 20:30:33,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826382954] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:30:33,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:30:33,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:30:33,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713930719]
[2022-11-02 20:30:33,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:30:33,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:30:33,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:30:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:30:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:33,693 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:30:34,396 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions.
[2022-11-02 20:30:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:30:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-11-02 20:30:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:30:34,403 INFO L225 Difference]: With dead ends: 9
[2022-11-02 20:30:34,403 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:30:34,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:30:34,405 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:30:34,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:30:34,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:30:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:30:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:30:34,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2022-11-02 20:30:34,407 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:30:34,407 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:30:34,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:30:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:30:34,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:30:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-11-02 20:30:34,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2022-11-02 20:30:34,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining)
[2022-11-02 20:30:34,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:30:34,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:30:34,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:30:34,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:30:34,623 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed.
[2022-11-02 20:30:34,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 35) no Hoare annotation was computed.
[2022-11-02 20:30:34,623 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed.
[2022-11-02 20:30:34,623 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2022-11-02 20:30:34,623 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed.
[2022-11-02 20:30:34,624 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 45) no Hoare annotation was computed.
[2022-11-02 20:30:34,624 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 26) no Hoare annotation was computed.
[2022-11-02 20:30:34,624 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:30:34,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:30:34,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:30:34,625 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 36) no Hoare annotation was computed.
[2022-11-02 20:30:34,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 25) no Hoare annotation was computed.
[2022-11-02 20:30:34,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed.
[2022-11-02 20:30:34,625 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 52) no Hoare annotation was computed.
[2022-11-02 20:30:34,626 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2022-11-02 20:30:34,626 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed.
[2022-11-02 20:30:34,630 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-11-02 20:30:34,632 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:30:34,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:34 BoogieIcfgContainer
[2022-11-02 20:30:34,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:30:34,638 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:30:34,638 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:30:34,638 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:30:34,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:31" (3/4) ...
[2022-11-02 20:30:34,642 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:30:34,658 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2022-11-02 20:30:34,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:30:34,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:30:34,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:30:34,709 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:30:34,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:30:34,710 INFO L158 Benchmark]: Toolchain (without parser) took 5137.95ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 51.2MB in the beginning and 74.1MB in the end (delta: -22.9MB). Peak memory consumption was 756.0kB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,710 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:30:34,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.37ms. Allocated memory is still 71.3MB. Free memory was 51.0MB in the beginning and 50.8MB in the end (delta: 242.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.21ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:30:34,712 INFO L158 Benchmark]: Boogie Preprocessor took 53.13ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 48.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,712 INFO L158 Benchmark]: RCFGBuilder took 1193.10ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 38.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,713 INFO L158 Benchmark]: TraceAbstraction took 3388.43ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 38.3MB in the beginning and 76.5MB in the end (delta: -38.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,713 INFO L158 Benchmark]: Witness Printer took 71.63ms. Allocated memory is still 96.5MB. Free memory was 76.4MB in the beginning and 74.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:30:34,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 374.37ms. Allocated memory is still 71.3MB. Free memory was 51.0MB in the beginning and 50.8MB in the end (delta: 242.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 50.21ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 49.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.13ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 48.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1193.10ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 38.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 3388.43ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 38.3MB in the beginning and 76.5MB in the end (delta: -38.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB.
* Witness Printer took 71.63ms. Allocated memory is still 96.5MB. Free memory was 76.4MB in the beginning and 74.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 25]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 35]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 44]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 17 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 11 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:30:34,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_624be630-7236-472a-8095-b603524d7473/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE