./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 9ad7fb26
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1f81f307bb0fd2f7d30845e458dba6e8acf9b3ee1da86e74967e4c3005bce62
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-9ad7fb2
[2021-11-02 22:04:30,970 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-02 22:04:30,972 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-02 22:04:31,023 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-02 22:04:31,024 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-02 22:04:31,028 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-02 22:04:31,030 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-02 22:04:31,032 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-02 22:04:31,034 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-02 22:04:31,035 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-02 22:04:31,036 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-02 22:04:31,037 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-02 22:04:31,037 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-02 22:04:31,039 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-02 22:04:31,041 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-02 22:04:31,042 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-02 22:04:31,044 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-02 22:04:31,045 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-02 22:04:31,047 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-02 22:04:31,050 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-02 22:04:31,052 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-02 22:04:31,054 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-02 22:04:31,056 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-02 22:04:31,057 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-02 22:04:31,061 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-02 22:04:31,062 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-02 22:04:31,062 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-02 22:04:31,063 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-02 22:04:31,064 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-02 22:04:31,065 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-02 22:04:31,066 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-02 22:04:31,067 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-02 22:04:31,068 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-02 22:04:31,070 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-02 22:04:31,071 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-02 22:04:31,072 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-02 22:04:31,073 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-02 22:04:31,073 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-02 22:04:31,074 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-02 22:04:31,075 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-02 22:04:31,076 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-02 22:04:31,080 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2021-11-02 22:04:31,120 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-02 22:04:31,120 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-02 22:04:31,120 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-02 22:04:31,121 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-02 22:04:31,122 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-02 22:04:31,122 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-02 22:04:31,122 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-02 22:04:31,123 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-02 22:04:31,123 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-02 22:04:31,123 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-02 22:04:31,123 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-02 22:04:31,124 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-02 22:04:31,124 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-02 22:04:31,124 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-02 22:04:31,124 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-02 22:04:31,124 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-02 22:04:31,125 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-02 22:04:31,125 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-02 22:04:31,125 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-02 22:04:31,125 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-02 22:04:31,126 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-02 22:04:31,126 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-11-02 22:04:31,126 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-02 22:04:31,126 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-02 22:04:31,127 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-02 22:04:31,127 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-02 22:04:31,127 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-02 22:04:31,127 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-02 22:04:31,128 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-02 22:04:31,128 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-02 22:04:31,128 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-02 22:04:31,137 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-02 22:04:31,137 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-02 22:04:31,137 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-02 22:04:31,137 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_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/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_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm
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 -> GemCutter
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 -> a1f81f307bb0fd2f7d30845e458dba6e8acf9b3ee1da86e74967e4c3005bce62
[2021-11-02 22:04:31,438 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-02 22:04:31,471 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-02 22:04:31,473 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-02 22:04:31,474 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-02 22:04:31,475 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-02 22:04:31,476 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c
[2021-11-02 22:04:31,547 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/data/d68d697db/3ca1e345e5f3467f8a5c9fa4555133c3/FLAGdb1515f91
[2021-11-02 22:04:32,006 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-02 22:04:32,007 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c
[2021-11-02 22:04:32,020 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/data/d68d697db/3ca1e345e5f3467f8a5c9fa4555133c3/FLAGdb1515f91
[2021-11-02 22:04:32,408 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/data/d68d697db/3ca1e345e5f3467f8a5c9fa4555133c3
[2021-11-02 22:04:32,411 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-02 22:04:32,419 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-02 22:04:32,423 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-02 22:04:32,424 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-02 22:04:32,430 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-02 22:04:32,437 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:32" (1/1) ...
[2021-11-02 22:04:32,439 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344177b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:32, skipping insertion in model container
[2021-11-02 22:04:32,439 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:32" (1/1) ...
[2021-11-02 22:04:32,446 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-02 22:04:32,504 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-02 22:04:32,914 WARN  L228   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_c9cff252-5362-4db1-9ea1-3015c2d6bd35/sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c[2385,2398]
[2021-11-02 22:04:32,922 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-02 22:04:32,970 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-02 22:04:33,013 WARN  L228   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_c9cff252-5362-4db1-9ea1-3015c2d6bd35/sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c[2385,2398]
[2021-11-02 22:04:33,017 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-02 22:04:33,032 INFO  L208         MainTranslator]: Completed translation
[2021-11-02 22:04:33,032 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33 WrapperNode
[2021-11-02 22:04:33,032 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-02 22:04:33,033 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-02 22:04:33,034 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-02 22:04:33,034 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-02 22:04:33,040 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,067 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,093 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-02 22:04:33,094 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-02 22:04:33,094 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-02 22:04:33,095 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-02 22:04:33,104 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,104 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,116 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,116 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,125 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,130 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,140 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,145 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-02 22:04:33,146 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-02 22:04:33,146 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-02 22:04:33,146 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-02 22:04:33,153 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (1/1) ...
[2021-11-02 22:04:33,159 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-02 22:04:33,173 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3
[2021-11-02 22:04:33,187 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-02 22:04:33,198 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-02 22:04:33,238 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-11-02 22:04:33,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-02 22:04:33,238 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-11-02 22:04:33,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-02 22:04:33,238 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-11-02 22:04:33,238 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-11-02 22:04:33,239 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-02 22:04:33,239 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-02 22:04:33,239 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-02 22:04:33,239 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-02 22:04:33,239 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-02 22:04:33,239 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-02 22:04:33,240 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-02 22:04:33,240 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-02 22:04:33,241 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-02 22:04:33,721 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-02 22:04:33,722 INFO  L299             CfgBuilder]: Removed 27 assume(true) statements.
[2021-11-02 22:04:33,725 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:33 BoogieIcfgContainer
[2021-11-02 22:04:33,725 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-02 22:04:33,727 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-02 22:04:33,728 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-02 22:04:33,734 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-02 22:04:33,734 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:32" (1/3) ...
[2021-11-02 22:04:33,735 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1225f105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:33, skipping insertion in model container
[2021-11-02 22:04:33,735 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:33" (2/3) ...
[2021-11-02 22:04:33,736 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1225f105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:33, skipping insertion in model container
[2021-11-02 22:04:33,736 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:33" (3/3) ...
[2021-11-02 22:04:33,738 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-more-parray-copy.wvr.c
[2021-11-02 22:04:33,749 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-02 22:04:33,750 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-02 22:04:33,750 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-02 22:04:33,750 INFO  L513   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-02 22:04:33,819 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,819 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,820 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,821 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,821 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,822 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,822 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,823 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,823 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,823 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,823 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,824 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,824 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,825 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,825 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,825 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,828 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,828 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,828 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,829 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,829 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,829 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,829 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,829 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,830 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,830 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,830 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,830 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,831 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,831 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,831 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,831 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,832 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,832 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,832 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,832 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,833 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,833 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,833 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,833 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,833 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,834 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,834 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,834 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,834 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,835 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,835 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,835 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,835 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,835 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,836 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,836 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,836 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,836 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,837 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,837 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,837 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,837 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,837 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,838 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,838 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,838 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,838 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,839 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,839 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,839 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,839 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,840 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,840 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,840 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,840 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,840 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,841 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,841 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,841 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,841 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,842 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,842 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,842 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,842 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,842 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,843 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,843 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,843 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,843 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,843 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,844 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,844 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,844 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,844 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,847 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,848 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,848 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,848 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,848 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,858 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,859 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,859 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,860 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,860 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,868 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,868 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,868 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,868 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,869 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-02 22:04:33,895 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-11-02 22:04:33,946 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-02 22:04:33,946 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3
[2021-11-02 22:04:33,948 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-02 22:04:34,000 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-02 22:04:34,045 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-02 22:04:34,060 INFO  L339      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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-02 22:04:34,060 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-11-02 22:04:34,545 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-11-02 22:04:34,557 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-02 22:04:34,558 INFO  L85        PathProgramCache]: Analyzing trace with hash -2039089288, now seen corresponding path program 1 times
[2021-11-02 22:04:34,580 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-02 22:04:34,581 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866743945]
[2021-11-02 22:04:34,581 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:34,582 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-02 22:04:34,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:35,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-02 22:04:35,175 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-02 22:04:35,175 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866743945]
[2021-11-02 22:04:35,176 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866743945] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-02 22:04:35,176 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-02 22:04:35,176 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-02 22:04:35,181 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183542709]
[2021-11-02 22:04:35,205 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-02 22:04:35,205 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-02 22:04:35,238 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-02 22:04:35,243 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-02 22:04:35,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:35,246 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-02 22:04:35,257 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 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)
[2021-11-02 22:04:35,257 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:35,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:35,329 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-02 22:04:35,344 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-11-02 22:04:35,349 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-02 22:04:35,350 INFO  L85        PathProgramCache]: Analyzing trace with hash -909337588, now seen corresponding path program 1 times
[2021-11-02 22:04:35,350 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-02 22:04:35,350 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620540136]
[2021-11-02 22:04:35,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:35,351 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-02 22:04:35,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:36,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-02 22:04:36,081 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-02 22:04:36,082 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620540136]
[2021-11-02 22:04:36,082 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620540136] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-02 22:04:36,082 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-02 22:04:36,082 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-02 22:04:36,096 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432882690]
[2021-11-02 22:04:36,099 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-02 22:04:36,099 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-02 22:04:36,102 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-02 22:04:36,102 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-11-02 22:04:36,103 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:36,104 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-02 22:04:36,105 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 15.375) internal successors, (123), 8 states have internal predecessors, (123), 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)
[2021-11-02 22:04:36,105 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:36,107 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:36,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:36,816 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:36,816 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-02 22:04:36,817 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-11-02 22:04:36,818 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-02 22:04:36,818 INFO  L85        PathProgramCache]: Analyzing trace with hash -1579849338, now seen corresponding path program 1 times
[2021-11-02 22:04:36,819 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-02 22:04:36,820 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816267499]
[2021-11-02 22:04:36,820 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:36,820 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-02 22:04:36,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:37,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-02 22:04:37,265 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-02 22:04:37,265 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816267499]
[2021-11-02 22:04:37,266 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816267499] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-02 22:04:37,266 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410334794]
[2021-11-02 22:04:37,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:37,267 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-02 22:04:37,267 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3
[2021-11-02 22:04:37,296 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-02 22:04:37,337 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-02 22:04:37,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:37,513 INFO  L263         TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-11-02 22:04:37,523 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-02 22:04:38,335 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-11-02 22:04:38,336 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410334794] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-02 22:04:38,336 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-02 22:04:38,336 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10
[2021-11-02 22:04:38,336 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659931339]
[2021-11-02 22:04:38,339 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-02 22:04:38,340 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-02 22:04:38,341 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-02 22:04:38,341 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2021-11-02 22:04:38,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:38,342 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-02 22:04:38,342 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 14.5) internal successors, (145), 10 states have internal predecessors, (145), 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)
[2021-11-02 22:04:38,342 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:38,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:38,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:38,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:38,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:38,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-02 22:04:38,736 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-02 22:04:38,891 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-02 22:04:38,892 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-11-02 22:04:38,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-02 22:04:38,892 INFO  L85        PathProgramCache]: Analyzing trace with hash -2088910646, now seen corresponding path program 1 times
[2021-11-02 22:04:38,892 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-02 22:04:38,893 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233885478]
[2021-11-02 22:04:38,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:38,893 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-02 22:04:39,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:39,226 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-02 22:04:39,226 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-02 22:04:39,227 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233885478]
[2021-11-02 22:04:39,227 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233885478] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-02 22:04:39,228 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907241248]
[2021-11-02 22:04:39,229 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:39,229 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-02 22:04:39,229 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3
[2021-11-02 22:04:39,249 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-02 22:04:39,288 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-02 22:04:39,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:39,500 INFO  L263         TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-02 22:04:39,529 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-11-02 22:04:40,216 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-11-02 22:04:40,216 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [907241248] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-02 22:04:40,217 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-11-02 22:04:40,217 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14
[2021-11-02 22:04:40,217 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731083242]
[2021-11-02 22:04:40,218 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-02 22:04:40,218 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-02 22:04:40,218 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-02 22:04:40,219 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182
[2021-11-02 22:04:40,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,219 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-02 22:04:40,219 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 11.142857142857142) internal successors, (156), 14 states have internal predecessors, (156), 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)
[2021-11-02 22:04:40,219 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,220 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:40,220 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-02 22:04:40,220 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:40,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-02 22:04:40,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-02 22:04:40,540 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-02 22:04:40,720 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-02 22:04:40,720 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-11-02 22:04:40,720 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-02 22:04:40,721 INFO  L85        PathProgramCache]: Analyzing trace with hash 105733646, now seen corresponding path program 1 times
[2021-11-02 22:04:40,721 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-02 22:04:40,721 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178501983]
[2021-11-02 22:04:40,721 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-02 22:04:40,721 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-02 22:04:40,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-02 22:04:40,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-02 22:04:40,890 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-02 22:04:40,890 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178501983]
[2021-11-02 22:04:40,890 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178501983] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-02 22:04:40,891 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-02 22:04:40,891 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-11-02 22:04:40,891 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138517876]
[2021-11-02 22:04:40,891 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-02 22:04:40,892 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-02 22:04:40,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-02 22:04:40,892 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2021-11-02 22:04:40,892 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,892 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-02 22:04:40,893 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 6 states have internal predecessors, (151), 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)
[2021-11-02 22:04:40,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:40,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-11-02 22:04:40,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-11-02 22:04:40,893 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-02 22:04:40,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-11-02 22:04:40,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-11-02 22:04:40,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-11-02 22:04:40,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-11-02 22:04:40,928 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-11-02 22:04:40,928 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-11-02 22:04:40,928 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-11-02 22:04:40,929 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-11-02 22:04:40,929 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-02 22:04:40,937 INFO  L731         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2021-11-02 22:04:40,939 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-02 22:04:40,939 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-11-02 22:04:40,941 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:04:40 BasicIcfg
[2021-11-02 22:04:40,941 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-02 22:04:40,942 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-02 22:04:40,942 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-11-02 22:04:40,942 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-11-02 22:04:40,943 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:33" (3/4) ...
[2021-11-02 22:04:40,946 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-11-02 22:04:40,952 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2021-11-02 22:04:40,953 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2021-11-02 22:04:40,953 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2021-11-02 22:04:40,958 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges
[2021-11-02 22:04:40,959 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-02 22:04:40,959 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-02 22:04:40,960 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-02 22:04:41,005 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/witness.graphml
[2021-11-02 22:04:41,005 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-02 22:04:41,007 INFO  L168              Benchmark]: Toolchain (without parser) took 8586.86 ms. Allocated memory was 127.9 MB in the beginning and 174.1 MB in the end (delta: 46.1 MB). Free memory was 91.9 MB in the beginning and 117.1 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,007 INFO  L168              Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,008 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 609.47 ms. Allocated memory is still 127.9 MB. Free memory was 91.6 MB in the beginning and 102.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,008 INFO  L168              Benchmark]: Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,009 INFO  L168              Benchmark]: Boogie Preprocessor took 50.88 ms. Allocated memory is still 127.9 MB. Free memory was 99.9 MB in the beginning and 98.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,009 INFO  L168              Benchmark]: RCFGBuilder took 579.77 ms. Allocated memory is still 127.9 MB. Free memory was 98.2 MB in the beginning and 82.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,010 INFO  L168              Benchmark]: TraceAbstraction took 7214.02 ms. Allocated memory was 127.9 MB in the beginning and 174.1 MB in the end (delta: 46.1 MB). Free memory was 82.0 MB in the beginning and 121.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,010 INFO  L168              Benchmark]: Witness Printer took 63.22 ms. Allocated memory is still 174.1 MB. Free memory was 121.2 MB in the beginning and 117.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-11-02 22:04:41,013 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28 ms. Allocated memory is still 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 609.47 ms. Allocated memory is still 127.9 MB. Free memory was 91.6 MB in the beginning and 102.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 60.26 ms. Allocated memory is still 127.9 MB. Free memory was 102.0 MB in the beginning and 99.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 50.88 ms. Allocated memory is still 127.9 MB. Free memory was 99.9 MB in the beginning and 98.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 579.77 ms. Allocated memory is still 127.9 MB. Free memory was 98.2 MB in the beginning and 82.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 7214.02 ms. Allocated memory was 127.9 MB in the beginning and 174.1 MB in the end (delta: 46.1 MB). Free memory was 82.0 MB in the beginning and 121.2 MB in the end (delta: -39.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB.
 * Witness Printer took 63.22 ms. Allocated memory is still 174.1 MB. Free memory was 121.2 MB in the beginning and 117.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1788, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 169, negative conditional: 152, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 299, positive unconditional: 1320, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 46, positive unconditional: 1573, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 46, positive unconditional: 1573, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1159, positive: 1142, positive conditional: 3, positive unconditional: 1139, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1159, positive: 1142, positive conditional: 0, positive unconditional: 1142, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 1636, positive: 477, positive conditional: 43, positive unconditional: 434, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1159, unknown conditional: 3, unknown unconditional: 1156] , Statistics on independence cache: Total cache size (in pairs): 1159, Positive cache size: 1142, Positive conditional cache size: 3, Positive unconditional cache size: 1139, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 253, Maximal queried relation: 0, Independence queries for same thread: 152
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 370, Number of persistent set computation: 154, Number of trivial persistent sets: 120, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1177, positive: 1160, positive conditional: 0, positive unconditional: 1160, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1788, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 169, negative conditional: 152, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 459, positive unconditional: 1160, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 299, positive unconditional: 1320, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 46, positive unconditional: 1573, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1636, positive: 1619, positive conditional: 46, positive unconditional: 1573, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1159, positive: 1142, positive conditional: 3, positive unconditional: 1139, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1159, positive: 1142, positive conditional: 0, positive unconditional: 1142, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 243, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 1636, positive: 477, positive conditional: 43, positive unconditional: 434, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1159, unknown conditional: 3, unknown unconditional: 1156] , Statistics on independence cache: Total cache size (in pairs): 1159, Positive cache size: 1142, Positive conditional cache size: 3, Positive unconditional cache size: 1139, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 253, Maximal queried relation: 0, Independence queries for same thread: 152
  - 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: 92]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 210 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.8s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 966 NumberOfCodeBlocks, 966 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 959 ConstructedInterpolants, 0 QuantifiedInterpolants, 1913 SizeOfPredicates, 12 NumberOfNonLiveVariables, 630 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 10/14 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
RESULT: Ultimate proved your program to be correct!
[2021-11-02 22:04:41,067 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-02 22:04:41,274 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9cff252-5362-4db1-9ea1-3015c2d6bd35/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE