./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test30-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/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_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test30-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/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_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/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 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6
--- 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 20:10:22,795 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:10:22,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:10:22,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:10:22,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:10:22,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:10:22,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:10:22,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:10:22,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:10:22,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:10:22,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:10:22,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:10:22,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:10:22,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:10:22,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:10:22,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:10:22,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:10:22,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:10:22,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:10:22,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:10:22,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:10:22,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:10:22,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:10:22,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:10:22,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:10:22,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:10:22,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:10:22,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:10:22,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:10:22,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:10:22,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:10:22,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:10:22,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:10:22,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:10:22,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:10:22,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:10:22,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:10:22,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:10:22,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:10:22,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:10:22,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:10:22,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:10:22,978 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:10:22,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:10:22,985 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:10:22,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:10:22,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:10:22,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:10:22,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:10:22,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:10:22,988 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:10:22,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:10:22,990 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:10:22,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:10:22,991 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:10:22,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:10:22,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:10:22,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:10:22,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:10:22,992 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:10:22,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:10:22,992 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:10:22,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:10:22,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:10:22,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:10:22,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:10:22,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:10:22,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:10:22,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:10:22,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:10:22,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:10:22,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:10:22,996 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:10:22,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:10:22,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:10:22,997 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_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6
[2022-11-02 20:10:23,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:10:23,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:10:23,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:10:23,329 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:10:23,330 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:10:23,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-regression/test30-1.c
[2022-11-02 20:10:23,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/data/b92a4826f/ad627a746fbc41aeb51ca22f197f42ed/FLAG1268aca68
[2022-11-02 20:10:23,821 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:10:23,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/sv-benchmarks/c/ldv-regression/test30-1.c
[2022-11-02 20:10:23,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/data/b92a4826f/ad627a746fbc41aeb51ca22f197f42ed/FLAG1268aca68
[2022-11-02 20:10:24,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/data/b92a4826f/ad627a746fbc41aeb51ca22f197f42ed
[2022-11-02 20:10:24,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:10:24,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:10:24,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:24,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:10:24,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:10:24,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36583207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24, skipping insertion in model container
[2022-11-02 20:10:24,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:10:24,263 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:10:24,487 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_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/sv-benchmarks/c/ldv-regression/test30-1.c[560,573]
[2022-11-02 20:10:24,496 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:24,506 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:10:24,522 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_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/sv-benchmarks/c/ldv-regression/test30-1.c[560,573]
[2022-11-02 20:10:24,525 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:10:24,543 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:10:24,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24 WrapperNode
[2022-11-02 20:10:24,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:10:24,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:24,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:10:24,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:10:24,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,585 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49
[2022-11-02 20:10:24,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:10:24,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:10:24,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:10:24,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:10:24,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:10:24,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:10:24,634 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:10:24,634 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:10:24,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (1/1) ...
[2022-11-02 20:10:24,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:10:24,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:10:24,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:10:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:10:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-11-02 20:10:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2022-11-02 20:10:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:10:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:10:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:10:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:10:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:10:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:10:24,821 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:10:24,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:10:24,963 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:10:24,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:10:24,970 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:10:24,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:24 BoogieIcfgContainer
[2022-11-02 20:10:24,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:10:24,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:10:24,975 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:10:24,994 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:10:24,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:10:24" (1/3) ...
[2022-11-02 20:10:24,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4931af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:24, skipping insertion in model container
[2022-11-02 20:10:24,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:24" (2/3) ...
[2022-11-02 20:10:24,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4931af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:10:24, skipping insertion in model container
[2022-11-02 20:10:24,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:24" (3/3) ...
[2022-11-02 20:10:24,997 INFO L112 eAbstractionObserver]: Analyzing ICFG test30-1.c
[2022-11-02 20:10:25,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:10:25,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:10:25,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:10:25,106 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;@51c76fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:10:25,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:10:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:10:25,118 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:10:25,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:10:25,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:10:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:10:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash 889475945, now seen corresponding path program 1 times
[2022-11-02 20:10:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:10:25,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934030891]
[2022-11-02 20:10:25,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:10:25,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:10:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:10:26,273 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 20:10:26,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:10:26,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934030891]
[2022-11-02 20:10:26,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934030891] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:10:26,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:10:26,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:10:26,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163950812]
[2022-11-02 20:10:26,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:10:26,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:10:26,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:10:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:10:26,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:10:26,332 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:10:26,401 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions.
[2022-11-02 20:10:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:10:26,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2022-11-02 20:10:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:10:26,411 INFO L225 Difference]: With dead ends: 13
[2022-11-02 20:10:26,412 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:10:26,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:10:26,421 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:10:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:10:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:10:26,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:10:26,449 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 20:10:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:10:26,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2022-11-02 20:10:26,451 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:10:26,452 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:10:26,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:10:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:10:26,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:10:26,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:10:26,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:10:26,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:10:26,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:10:26,476 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:10:26,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:10:26,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:10:26,477 INFO L895 garLoopResultBuilder]: At program point L28(lines 22 35) the Hoare annotation is: false
[2022-11-02 20:10:26,478 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 29) no Hoare annotation was computed.
[2022-11-02 20:10:26,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed.
[2022-11-02 20:10:26,480 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed.
[2022-11-02 20:10:26,481 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed.
[2022-11-02 20:10:26,481 INFO L895 garLoopResultBuilder]: At program point L34(lines 21 35) the Hoare annotation is: (and (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (not (= |~#b~0.base| 4)))
[2022-11-02 20:10:26,485 INFO L444 BasicCegarLoop]: Path program histogram: [1]
[2022-11-02 20:10:26,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:10:26,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:10:26 BoogieIcfgContainer
[2022-11-02 20:10:26,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:10:26,518 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:10:26,519 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:10:26,520 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:10:26,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:24" (3/4) ...
[2022-11-02 20:10:26,525 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:10:26,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:10:26,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2022-11-02 20:10:26,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:10:26,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:10:26,594 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:10:26,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:10:26,599 INFO L158 Benchmark]: Toolchain (without parser) took 2369.66ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 66.8MB in the end (delta: 37.4MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,599 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:10:26,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 112.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.25ms. Allocated memory is still 136.3MB. Free memory was 112.2MB in the beginning and 110.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,604 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 136.3MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:10:26,604 INFO L158 Benchmark]: RCFGBuilder took 339.68ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 99.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,605 INFO L158 Benchmark]: TraceAbstraction took 1542.68ms. Allocated memory is still 136.3MB. Free memory was 98.7MB in the beginning and 69.6MB in the end (delta: 29.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,605 INFO L158 Benchmark]: Witness Printer took 79.96ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 66.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:10:26,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 112.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.25ms. Allocated memory is still 136.3MB. Free memory was 112.2MB in the beginning and 110.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.77ms. Allocated memory is still 136.3MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 339.68ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 99.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 1542.68ms. Allocated memory is still 136.3MB. Free memory was 98.7MB in the beginning and 69.6MB in the end (delta: 29.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB.
* Witness Printer took 79.96ms. Allocated memory is still 136.3MB. Free memory was 69.6MB in the beginning and 66.8MB in the end (delta: 2.8MB). 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: 33]: 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 17 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: unknown-#memory_int-unknown[b][b] == unknown-#memory_int-unknown[a][a] && !(b == 4)
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 0
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:10:26,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8183077-0cb0-49cb-ac81-8d8fd11ae5f1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE