./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/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_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/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_1aad6af9-2bc3-493a-bb03-e8938f200e01/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 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa
--- 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 20:45:26,868 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:45:26,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:45:26,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:45:26,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:45:26,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:45:26,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:45:26,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:45:26,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:45:26,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:45:26,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:45:26,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:45:26,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:45:26,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:45:26,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:45:26,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:45:26,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:45:26,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:45:26,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:45:26,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:45:26,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:45:26,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:45:26,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:45:26,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:45:26,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:45:26,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:45:26,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:45:26,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:45:26,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:45:26,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:45:26,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:45:26,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:45:26,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:45:26,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:45:26,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:45:26,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:45:26,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:45:26,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:45:26,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:45:26,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:45:26,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:45:26,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:45:26,974 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:45:26,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:45:26,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:45:26,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:45:26,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:45:26,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:45:26,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:45:26,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:45:26,978 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:45:26,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:45:26,979 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:45:26,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:45:26,979 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:45:26,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:45:26,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:45:26,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:45:26,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:45:26,981 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:45:26,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:45:26,981 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:45:26,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:45:26,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:45:26,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:45:26,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:45:26,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:45:26,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:45:26,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:45:26,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:45:26,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:45:26,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:45:26,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:45:26,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:45:26,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:45:26,985 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_1aad6af9-2bc3-493a-bb03-e8938f200e01/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa
[2022-11-02 20:45:27,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:45:27,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:45:27,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:45:27,355 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:45:27,356 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:45:27,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/bitvector/jain_4-2.c
[2022-11-02 20:45:27,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/data/7adc6b2fd/02450f4d308245f98b3eb7deca678e4c/FLAG2c8b3021a
[2022-11-02 20:45:27,905 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:45:27,905 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/sv-benchmarks/c/bitvector/jain_4-2.c
[2022-11-02 20:45:27,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/data/7adc6b2fd/02450f4d308245f98b3eb7deca678e4c/FLAG2c8b3021a
[2022-11-02 20:45:28,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/data/7adc6b2fd/02450f4d308245f98b3eb7deca678e4c
[2022-11-02 20:45:28,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:45:28,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:45:28,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:45:28,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:45:28,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:45:28,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5a3b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28, skipping insertion in model container
[2022-11-02 20:45:28,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:45:28,374 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:45:28,646 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_1aad6af9-2bc3-493a-bb03-e8938f200e01/sv-benchmarks/c/bitvector/jain_4-2.c[675,688]
[2022-11-02 20:45:28,663 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:45:28,675 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:45:28,697 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_1aad6af9-2bc3-493a-bb03-e8938f200e01/sv-benchmarks/c/bitvector/jain_4-2.c[675,688]
[2022-11-02 20:45:28,703 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:45:28,718 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:45:28,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28 WrapperNode
[2022-11-02 20:45:28,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:45:28,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:45:28,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:45:28,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:45:28,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,760 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2022-11-02 20:45:28,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:45:28,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:45:28,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:45:28,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:45:28,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:45:28,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:45:28,801 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:45:28,801 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:45:28,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (1/1) ...
[2022-11-02 20:45:28,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:45:28,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:45:28,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:45:28,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:45:28,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:45:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:45:28,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:45:28,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:45:28,980 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:45:28,983 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:45:29,134 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:45:29,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:45:29,142 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:45:29,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:29 BoogieIcfgContainer
[2022-11-02 20:45:29,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:45:29,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:45:29,148 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:45:29,153 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:45:29,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:45:28" (1/3) ...
[2022-11-02 20:45:29,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ce6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:29, skipping insertion in model container
[2022-11-02 20:45:29,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:28" (2/3) ...
[2022-11-02 20:45:29,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474ce6c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:29, skipping insertion in model container
[2022-11-02 20:45:29,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:29" (3/3) ...
[2022-11-02 20:45:29,158 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_4-2.c
[2022-11-02 20:45:29,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:45:29,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:45:29,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:45:29,279 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;@35c068ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:45:29,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:45:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:45:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:45:29,306 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:45:29,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:45:29,308 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:45:29,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:45:29,314 INFO L85 PathProgramCache]: Analyzing trace with hash 28699754, now seen corresponding path program 1 times
[2022-11-02 20:45:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:45:29,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978147120]
[2022-11-02 20:45:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:45:29,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:45:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:29,803 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 20:45:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:45:29,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978147120]
[2022-11-02 20:45:29,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978147120] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:45:29,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:45:29,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:45:29,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174600098]
[2022-11-02 20:45:29,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:45:29,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:45:29,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:45:29,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:45:29,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:45:29,864 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 20:45:29,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:45:29,989 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions.
[2022-11-02 20:45:29,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:45:29,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5
[2022-11-02 20:45:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:45:30,001 INFO L225 Difference]: With dead ends: 18
[2022-11-02 20:45:30,014 INFO L226 Difference]: Without dead ends: 9
[2022-11-02 20:45:30,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:45:30,021 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:45:30,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:45:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2022-11-02 20:45:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2022-11-02 20:45:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 20:45:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2022-11-02 20:45:30,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2022-11-02 20:45:30,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:45:30,082 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2022-11-02 20:45:30,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 20:45:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2022-11-02 20:45:30,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:45:30,083 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:45:30,084 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:45:30,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:45:30,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:45:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:45:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash 300686882, now seen corresponding path program 1 times
[2022-11-02 20:45:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:45:30,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279229108]
[2022-11-02 20:45:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:45:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:45:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:45:30,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:45:30,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279229108]
[2022-11-02 20:45:30,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279229108] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:45:30,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870435350]
[2022-11-02 20:45:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:45:30,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:45:30,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:45:30,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:45:30,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:45:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:45:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 21 conjunts are in the unsatisfiable core
[2022-11-02 20:45:30,584 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:45:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:45:31,623 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:45:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:45:36,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870435350] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:45:36,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:45:36,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9
[2022-11-02 20:45:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194450730]
[2022-11-02 20:45:36,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:45:36,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-11-02 20:45:36,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:45:36,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-11-02 20:45:36,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=45, Unknown=2, NotChecked=0, Total=72
[2022-11-02 20:45:36,286 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 20:45:36,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:45:36,822 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions.
[2022-11-02 20:45:36,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:45:36,823 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 20:45:36,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:45:36,824 INFO L225 Difference]: With dead ends: 9
[2022-11-02 20:45:36,824 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:45:36,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=33, Invalid=55, Unknown=2, NotChecked=0, Total=90
[2022-11-02 20:45:36,826 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:45:36,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 1 Unchecked, 0.5s Time]
[2022-11-02 20:45:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:45:36,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:45:36,828 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 20:45:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:45:36,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2022-11-02 20:45:36,829 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:45:36,829 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:45:36,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 20:45:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:45:36,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:45:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:45:36,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2022-11-02 20:45:37,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:45:37,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:45:37,107 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:37,107 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed.
[2022-11-02 20:45:37,108 INFO L895 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: (and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (mod (* 3 |ULTIMATE.start_main_~y~0#1|) 4) 0) (= (mod (* 3 |ULTIMATE.start_main_~x~0#1|) 4) 0) (= (mod (* 7 |ULTIMATE.start_main_~z~0#1|) 8) 0))
[2022-11-02 20:45:37,108 INFO L895 garLoopResultBuilder]: At program point L36(lines 20 37) the Hoare annotation is: false
[2022-11-02 20:45:37,108 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:37,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:37,109 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:45:37,109 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 35) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (mod (* 3 |ULTIMATE.start_main_~y~0#1|) 4) 0) (= (mod (* 3 |ULTIMATE.start_main_~x~0#1|) 4) 0) (= (mod (* 7 |ULTIMATE.start_main_~z~0#1|) 8) 0)) (and (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~z~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0)))
[2022-11-02 20:45:37,110 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 35) no Hoare annotation was computed.
[2022-11-02 20:45:37,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed.
[2022-11-02 20:45:37,110 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed.
[2022-11-02 20:45:37,114 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:45:37,117 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:45:37,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:45:37 BoogieIcfgContainer
[2022-11-02 20:45:37,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:45:37,137 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:45:37,137 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:45:37,137 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:45:37,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:29" (3/4) ...
[2022-11-02 20:45:37,142 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:45:37,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2022-11-02 20:45:37,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 20:45:37,156 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:45:37,157 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:45:37,192 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:45:37,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:45:37,194 INFO L158 Benchmark]: Toolchain (without parser) took 8865.85ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 58.4MB in the beginning and 59.3MB in the end (delta: -990.8kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,194 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:45:37,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 75.8MB in the end (delta: -17.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.64ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 74.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,196 INFO L158 Benchmark]: Boogie Preprocessor took 37.00ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 73.4MB in the end (delta: 836.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:45:37,197 INFO L158 Benchmark]: RCFGBuilder took 345.54ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 64.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,197 INFO L158 Benchmark]: TraceAbstraction took 7987.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.7MB in the beginning and 62.2MB in the end (delta: 1.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,198 INFO L158 Benchmark]: Witness Printer took 55.92ms. Allocated memory is still 119.5MB. Free memory was 62.2MB in the beginning and 59.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:45:37,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 379.18ms. Allocated memory is still 98.6MB. Free memory was 58.2MB in the beginning and 75.8MB in the end (delta: -17.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.64ms. Allocated memory is still 98.6MB. Free memory was 75.8MB in the beginning and 74.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.00ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 73.4MB in the end (delta: 836.0kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 345.54ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 64.2MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 7987.93ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.7MB in the beginning and 62.2MB in the end (delta: 1.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
* Witness Printer took 55.92ms. Allocated memory is still 119.5MB. Free memory was 62.2MB in the beginning and 59.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 16]: 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 9 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 62 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 4 QuantifiedInterpolants, 242 SizeOfPredicates, 10 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 28]: Loop Invariant
Derived loop invariant: (((1 <= cond && 3 * y % 4 == 0) && 3 * x % 4 == 0) && 7 * z % 8 == 0) || ((y == 0 && z == 0) && x == 0)
- InvariantResult [Line: 20]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 14]: Loop Invariant
Derived loop invariant: ((1 <= cond && 3 * y % 4 == 0) && 3 * x % 4 == 0) && 7 * z % 8 == 0
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:45:37,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aad6af9-2bc3-493a-bb03-e8938f200e01/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
Writing output log to file Ultimate.log
Result:
TRUE