./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark27_linear.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
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_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/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_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark27_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 917374027b639c45b575eeb17a4ba7670f94886b4db7d6a64e3f533dbd0231cc
--- 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 20:53:02,844 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:53:02,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:53:02,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:53:02,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:53:02,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:53:02,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:53:02,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:53:02,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:53:02,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:53:02,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:53:02,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:53:02,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:53:02,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:53:02,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:53:02,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:53:02,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:53:02,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:53:02,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:53:02,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:53:02,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:53:02,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:53:02,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:53:02,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:53:02,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:53:02,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:53:02,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:53:02,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:53:02,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:53:02,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:53:02,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:53:02,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:53:02,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:53:02,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:53:02,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:53:02,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:53:02,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:53:02,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:53:02,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:53:02,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:53:02,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:53:02,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:53:03,013 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:53:03,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:53:03,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:53:03,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:53:03,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:53:03,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:53:03,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:53:03,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:53:03,019 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:53:03,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:53:03,021 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:53:03,021 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:53:03,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:53:03,022 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:53:03,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:53:03,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:53:03,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:53:03,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:53:03,023 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 20:53:03,023 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:53:03,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:53:03,024 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:53:03,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:53:03,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:53:03,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:53:03,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:53:03,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:53:03,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:53:03,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:53:03,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:53:03,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:53:03,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:53:03,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:53:03,027 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_98ea8d99-196e-4c03-91db-fb3009ed7155/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 917374027b639c45b575eeb17a4ba7670f94886b4db7d6a64e3f533dbd0231cc
[2022-11-02 20:53:03,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:53:03,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:53:03,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:53:03,333 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:53:03,334 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:53:03,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/loop-zilu/benchmark27_linear.i
[2022-11-02 20:53:03,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/data/c62d8a654/0a517dd390ca477f9c078a9bbf4c7c1b/FLAG2c2bf346e
[2022-11-02 20:53:03,857 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:53:03,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/sv-benchmarks/c/loop-zilu/benchmark27_linear.i
[2022-11-02 20:53:03,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/data/c62d8a654/0a517dd390ca477f9c078a9bbf4c7c1b/FLAG2c2bf346e
[2022-11-02 20:53:04,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/data/c62d8a654/0a517dd390ca477f9c078a9bbf4c7c1b
[2022-11-02 20:53:04,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:53:04,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:53:04,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:53:04,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:53:04,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:53:04,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ef8938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04, skipping insertion in model container
[2022-11-02 20:53:04,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:53:04,280 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:53:04,523 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_98ea8d99-196e-4c03-91db-fb3009ed7155/sv-benchmarks/c/loop-zilu/benchmark27_linear.i[868,881]
[2022-11-02 20:53:04,537 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:53:04,548 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:53:04,568 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_98ea8d99-196e-4c03-91db-fb3009ed7155/sv-benchmarks/c/loop-zilu/benchmark27_linear.i[868,881]
[2022-11-02 20:53:04,580 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:53:04,598 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:53:04,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04 WrapperNode
[2022-11-02 20:53:04,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:53:04,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:53:04,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:53:04,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:53:04,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,640 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44
[2022-11-02 20:53:04,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:53:04,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:53:04,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:53:04,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:53:04,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:53:04,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:53:04,674 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:53:04,674 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:53:04,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (1/1) ...
[2022-11-02 20:53:04,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:53:04,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:53:04,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:53:04,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:53:04,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:53:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:53:04,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:53:04,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:53:04,839 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:53:04,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:53:05,050 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:53:05,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:53:05,061 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:53:05,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:05 BoogieIcfgContainer
[2022-11-02 20:53:05,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:53:05,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:53:05,082 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:53:05,086 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:53:05,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:53:04" (1/3) ...
[2022-11-02 20:53:05,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187f5050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:05, skipping insertion in model container
[2022-11-02 20:53:05,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:53:04" (2/3) ...
[2022-11-02 20:53:05,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187f5050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:53:05, skipping insertion in model container
[2022-11-02 20:53:05,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:05" (3/3) ...
[2022-11-02 20:53:05,090 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark27_linear.i
[2022-11-02 20:53:05,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:53:05,129 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 20:53:05,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:53:05,186 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=FINITE_AUTOMATA, 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;@6ebeaf9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:53:05,186 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-11-02 20:53:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 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 20:53:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:53:05,198 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:05,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:53:05,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-02 20:53:05,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:05,211 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times
[2022-11-02 20:53:05,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:05,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956264529]
[2022-11-02 20:53:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:05,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:53:05,600 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 20:53:05,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:53:05,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956264529]
[2022-11-02 20:53:05,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956264529] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:53:05,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:53:05,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:53:05,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646457550]
[2022-11-02 20:53:05,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:53:05,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:53:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:53:05,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:53:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:53:05,673 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 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, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 20:53:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:53:05,748 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions.
[2022-11-02 20:53:05,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:53:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 20:53:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:53:05,759 INFO L225 Difference]: With dead ends: 34
[2022-11-02 20:53:05,760 INFO L226 Difference]: Without dead ends: 18
[2022-11-02 20:53:05,763 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 20:53:05,766 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 16 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:53:05,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:53:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-02 20:53:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16.
[2022-11-02 20:53:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:53:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2022-11-02 20:53:05,802 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 4
[2022-11-02 20:53:05,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:53:05,802 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2022-11-02 20:53:05,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 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 20:53:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2022-11-02 20:53:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2022-11-02 20:53:05,803 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:53:05,803 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2022-11-02 20:53:05,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:53:05,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-02 20:53:05,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:53:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash 28693763, now seen corresponding path program 1 times
[2022-11-02 20:53:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:53:05,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785452]
[2022-11-02 20:53:05,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:53:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:53:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:53:05,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:53:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:53:05,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:53:05,847 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:53:05,849 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2022-11-02 20:53:05,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2022-11-02 20:53:05,852 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2022-11-02 20:53:05,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2022-11-02 20:53:05,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2022-11-02 20:53:05,853 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2022-11-02 20:53:05,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:53:05,858 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:53:05,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:53:05,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:53:05 BoogieIcfgContainer
[2022-11-02 20:53:05,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:53:05,885 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:53:05,885 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:53:05,885 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:53:05,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:53:05" (3/4) ...
[2022-11-02 20:53:05,888 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-02 20:53:05,920 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:53:05,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:53:05,921 INFO L158 Benchmark]: Toolchain (without parser) took 1669.81ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 65.8MB in the beginning and 67.5MB in the end (delta: -1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-02 20:53:05,922 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:53:05,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.22ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 65.5MB in the beginning and 80.9MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:53:05,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.31ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:53:05,924 INFO L158 Benchmark]: Boogie Preprocessor took 31.17ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 992.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:53:05,924 INFO L158 Benchmark]: RCFGBuilder took 405.41ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 68.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:53:05,925 INFO L158 Benchmark]: TraceAbstraction took 802.78ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 70.2MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:53:05,925 INFO L158 Benchmark]: Witness Printer took 35.62ms. Allocated memory is still 104.9MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:53:05,928 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 347.22ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 65.5MB in the beginning and 80.9MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.31ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 79.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.17ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 992.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 405.41ms. Allocated memory is still 104.9MB. Free memory was 78.3MB in the beginning and 68.5MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 802.78ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 70.2MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 35.62ms. Allocated memory is still 104.9MB. Free memory was 70.2MB in the beginning and 67.5MB in the end (delta: 2.7MB). 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
- CounterExampleResult [Line: 23]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L20] int i = __VERIFIER_nondet_int();
[L21] int j = __VERIFIER_nondet_int();
[L22] int k = __VERIFIER_nondet_int();
[L23] i<j && k>i-j
VAL [i=-2147483648, i<j && k>i-j=1, j=1, k=0]
[L23] i-j
VAL [i=-2147483648, i<j && k>i-j=1, j=1, k=0]
- UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 23 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:53:05,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ea8d99-196e-4c03-91db-fb3009ed7155/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)