./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_3-join.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_3-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w --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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 09:12:22,034 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-12-13 09:12:22,035 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 09:12:22,047 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 09:12:22,048 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 09:12:22,048 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 09:12:22,049 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 09:12:22,050 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 09:12:22,051 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 09:12:22,052 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 09:12:22,053 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 09:12:22,053 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 09:12:22,054 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 09:12:22,054 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 09:12:22,055 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 09:12:22,056 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 09:12:22,056 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 09:12:22,057 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 09:12:22,058 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 09:12:22,059 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 09:12:22,060 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 09:12:22,061 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 09:12:22,062 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 09:12:22,062 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 09:12:22,064 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 09:12:22,065 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 09:12:22,065 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 09:12:22,065 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 09:12:22,066 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 09:12:22,066 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 09:12:22,066 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 09:12:22,067 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 09:12:22,067 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 09:12:22,068 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 09:12:22,069 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 09:12:22,069 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 09:12:22,069 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 09:12:22,070 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 09:12:22,070 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 09:12:22,070 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 09:12:22,071 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 09:12:22,071 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2022-12-13 09:12:22,092 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-12-13 09:12:22,092 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 09:12:22,092 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 09:12:22,092 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 09:12:22,093 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 09:12:22,093 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 09:12:22,094 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 09:12:22,094 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-12-13 09:12:22,094 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-12-13 09:12:22,099 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 09:12:22,099 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-12-13 09:12:22,099 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-12-13 09:12:22,099 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-12-13 09:12:22,099 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-12-13 09:12:22,100 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-12-13 09:12:22,100 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 09:12:22,101 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-12-13 09:12:22,101 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-12-13 09:12:22,102 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_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/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_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w
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 -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42
[2022-12-13 09:12:22,282 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 09:12:22,302 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 09:12:22,304 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 09:12:22,306 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-12-13 09:12:22,306 INFO  L275        PluginConnector]: CDTParser initialized
[2022-12-13 09:12:22,307 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/ldv-races/race-1_3-join.i
[2022-12-13 09:12:25,009 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-12-13 09:12:25,254 INFO  L351              CDTParser]: Found 1 translation units.
[2022-12-13 09:12:25,254 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/sv-benchmarks/c/ldv-races/race-1_3-join.i
[2022-12-13 09:12:25,267 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/data/7d77f68a5/c1e4cac6b6d04fb99f0b9f193226444c/FLAG80715352e
[2022-12-13 09:12:25,279 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/data/7d77f68a5/c1e4cac6b6d04fb99f0b9f193226444c
[2022-12-13 09:12:25,281 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 09:12:25,282 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 09:12:25,283 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 09:12:25,283 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 09:12:25,286 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 09:12:25,286 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,287 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fc582a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25, skipping insertion in model container
[2022-12-13 09:12:25,287 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,293 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-12-13 09:12:25,327 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-12-13 09:12:25,766 WARN  L237   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_33afad79-8457-4dd2-98a5-5767fc0ab6cb/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166]
[2022-12-13 09:12:25,770 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,771 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,783 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,783 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,783 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,783 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,786 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 09:12:25,795 INFO  L203         MainTranslator]: Completed pre-run
[2022-12-13 09:12:25,826 WARN  L237   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_33afad79-8457-4dd2-98a5-5767fc0ab6cb/sv-benchmarks/c/ldv-races/race-1_3-join.i[76153,76166]
[2022-12-13 09:12:25,827 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,827 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,831 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,831 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,831 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin
[2022-12-13 09:12:25,831 WARN  L623        FunctionHandler]: Unknown extern function __VERIFIER_atomic_end
[2022-12-13 09:12:25,833 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-12-13 09:12:25,902 INFO  L208         MainTranslator]: Completed translation
[2022-12-13 09:12:25,903 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25 WrapperNode
[2022-12-13 09:12:25,903 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 09:12:25,904 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 09:12:25,904 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 09:12:25,904 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 09:12:25,909 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,925 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,942 INFO  L138                Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89
[2022-12-13 09:12:25,942 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 09:12:25,943 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 09:12:25,943 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 09:12:25,943 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 09:12:25,949 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,949 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,952 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,953 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,960 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,961 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,964 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,965 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,968 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 09:12:25,969 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 09:12:25,969 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 09:12:25,969 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-12-13 09:12:25,970 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (1/1) ...
[2022-12-13 09:12:25,974 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 09:12:25,983 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 09:12:25,993 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 09:12:25,995 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 09:12:26,027 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-12-13 09:12:26,028 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 09:12:26,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 09:12:26,029 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 09:12:26,029 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-12-13 09:12:26,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-12-13 09:12:26,029 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 09:12:26,029 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 09:12:26,030 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-12-13 09:12:26,225 INFO  L235             CfgBuilder]: Building ICFG
[2022-12-13 09:12:26,227 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 09:12:26,367 INFO  L276             CfgBuilder]: Performing block encoding
[2022-12-13 09:12:26,384 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 09:12:26,385 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-12-13 09:12:26,386 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:26 BoogieIcfgContainer
[2022-12-13 09:12:26,386 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 09:12:26,388 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 09:12:26,388 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 09:12:26,391 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-12-13 09:12:26,391 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:12:25" (1/3) ...
[2022-12-13 09:12:26,391 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b036b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:26, skipping insertion in model container
[2022-12-13 09:12:26,392 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:12:25" (2/3) ...
[2022-12-13 09:12:26,392 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b036b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:12:26, skipping insertion in model container
[2022-12-13 09:12:26,392 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:26" (3/3) ...
[2022-12-13 09:12:26,393 INFO  L112   eAbstractionObserver]: Analyzing ICFG race-1_3-join.i
[2022-12-13 09:12:26,399 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-12-13 09:12:26,407 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 09:12:26,407 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-12-13 09:12:26,408 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-12-13 09:12:26,439 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-12-13 09:12:26,470 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 09:12:26,470 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-12-13 09:12:26,470 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3
[2022-12-13 09:12:26,471 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-12-13 09:12:26,472 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-12-13 09:12:26,498 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-12-13 09:12:26,508 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-12-13 09:12:26,512 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2130f842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-12-13 09:12:26,513 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-12-13 09:12:26,533 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-12-13 09:12:26,537 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:26,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 769996981, now seen corresponding path program 1 times
[2022-12-13 09:12:26,544 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:26,544 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972189851]
[2022-12-13 09:12:26,544 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:26,545 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:26,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 09:12:26,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 09:12:26,838 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 09:12:26,839 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972189851]
[2022-12-13 09:12:26,839 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972189851] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 09:12:26,839 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 09:12:26,839 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 09:12:26,841 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467067653]
[2022-12-13 09:12:26,841 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 09:12:26,844 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 09:12:26,844 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 09:12:26,862 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 09:12:26,863 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-12-13 09:12:26,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:26,865 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 09:12:26,865 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 09:12:26,865 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:26,962 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-12-13 09:12:26,962 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 09:12:26,962 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-12-13 09:12:26,963 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:26,963 INFO  L85        PathProgramCache]: Analyzing trace with hash -1767615442, now seen corresponding path program 1 times
[2022-12-13 09:12:26,963 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:26,964 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599029800]
[2022-12-13 09:12:26,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:26,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:26,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 09:12:27,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 09:12:27,067 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 09:12:27,067 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599029800]
[2022-12-13 09:12:27,067 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599029800] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 09:12:27,067 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 09:12:27,067 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 09:12:27,068 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772090100]
[2022-12-13 09:12:27,068 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 09:12:27,069 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-12-13 09:12:27,069 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 09:12:27,070 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-12-13 09:12:27,070 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-12-13 09:12:27,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:27,071 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 09:12:27,071 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 09:12:27,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-12-13 09:12:27,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:27,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-12-13 09:12:27,109 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-13 09:12:27,109 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 09:12:27,109 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-12-13 09:12:27,109 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:27,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 797270432, now seen corresponding path program 1 times
[2022-12-13 09:12:27,110 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:27,110 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916215623]
[2022-12-13 09:12:27,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:27,110 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:27,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 09:12:27,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 09:12:27,259 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 09:12:27,259 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916215623]
[2022-12-13 09:12:27,259 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916215623] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 09:12:27,259 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 09:12:27,260 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-12-13 09:12:27,260 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447458762]
[2022-12-13 09:12:27,260 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 09:12:27,260 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-12-13 09:12:27,261 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 09:12:27,261 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-12-13 09:12:27,262 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-12-13 09:12:27,262 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:27,262 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-12-13 09:12:27,262 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 09:12:27,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-12-13 09:12:27,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-12-13 09:12:27,262 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-12-13 09:12:27,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-12-13 09:12:27,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-12-13 09:12:27,361 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-12-13 09:12:27,361 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-12-13 09:12:27,361 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-12-13 09:12:27,361 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 09:12:27,361 INFO  L85        PathProgramCache]: Analyzing trace with hash -1413733970, now seen corresponding path program 2 times
[2022-12-13 09:12:27,361 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 09:12:27,362 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608044729]
[2022-12-13 09:12:27,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 09:12:27,362 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 09:12:27,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 09:12:27,384 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 09:12:27,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 09:12:27,409 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 09:12:27,410 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2022-12-13 09:12:27,410 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2022-12-13 09:12:27,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2022-12-13 09:12:27,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining)
[2022-12-13 09:12:27,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2022-12-13 09:12:27,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2022-12-13 09:12:27,412 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-12-13 09:12:27,416 INFO  L445         BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2022-12-13 09:12:27,420 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-12-13 09:12:27,420 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 09:12:27,442 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:12:27 BasicIcfg
[2022-12-13 09:12:27,442 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 09:12:27,443 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 09:12:27,443 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-12-13 09:12:27,443 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-12-13 09:12:27,443 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:12:26" (3/4) ...
[2022-12-13 09:12:27,444 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2022-12-13 09:12:27,474 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/witness.graphml
[2022-12-13 09:12:27,474 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 09:12:27,474 INFO  L158              Benchmark]: Toolchain (without parser) took 2192.43ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 128.0MB in the beginning and 101.5MB in the end (delta: 26.5MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,474 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 09:12:27,475 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 620.52ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 71.2MB in the end (delta: 56.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,475 INFO  L158              Benchmark]: Boogie Procedure Inliner took 38.55ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 68.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,475 INFO  L158              Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 163.6MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,475 INFO  L158              Benchmark]: RCFGBuilder took 417.51ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 65.7MB in the beginning and 166.5MB in the end (delta: -100.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,476 INFO  L158              Benchmark]: TraceAbstraction took 1054.01ms. Allocated memory is still 201.3MB. Free memory was 166.5MB in the beginning and 106.7MB in the end (delta: 59.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,476 INFO  L158              Benchmark]: Witness Printer took 31.24ms. Allocated memory is still 201.3MB. Free memory was 106.7MB in the beginning and 101.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-12-13 09:12:27,477 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 620.52ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 71.2MB in the end (delta: 56.8MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 38.55ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 68.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 25.90ms. Allocated memory is still 163.6MB. Free memory was 68.1MB in the beginning and 66.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 417.51ms. Allocated memory was 163.6MB in the beginning and 201.3MB in the end (delta: 37.7MB). Free memory was 65.7MB in the beginning and 166.5MB in the end (delta: -100.8MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1054.01ms. Allocated memory is still 201.3MB. Free memory was 166.5MB in the beginning and 106.7MB in the end (delta: 59.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB.
 * Witness Printer took 31.24ms. Allocated memory is still 201.3MB. Free memory was 106.7MB in the beginning and 101.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 354, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 34, dependent conditional: 28, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 239, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 239, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 40, dependent conditional: 3, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 333, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 239, unknown conditional: 1, unknown unconditional: 238] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 3, Independence queries for same thread: 26
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.1s, Number of persistent set computation: 135, Number of trivial persistent sets: 128, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 238, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 354, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 34, dependent conditional: 28, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 328, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 328, independent: 320, independent conditional: 88, independent unconditional: 232, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 5, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 333, independent: 320, independent conditional: 0, independent unconditional: 320, dependent: 13, dependent conditional: 1, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 239, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 239, independent: 231, independent conditional: 0, independent unconditional: 231, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 40, dependent conditional: 3, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 333, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 239, unknown conditional: 1, unknown unconditional: 238] , Statistics on independence cache: Total cache size (in pairs): 239, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 3, Independence queries for same thread: 26
  - CounterExampleResult [Line: 1695]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1696]               0  pthread_t t1;
         VAL             [t1={3:0}]
[L1697]               0  pthread_mutex_t mutex;
         VAL             [mutex={4:0}, t1={3:0}]
[L1698]               0  int pdev;
         VAL             [mutex={4:0}, pdev=0, t1={3:0}]
[L1734]  CALL, EXPR   0  module_init()
[L1709]               0  pdev = 1
         VAL             [mutex={4:0}, pdev=1, t1={3:0}]
[L1710]  CALL         0  ldv_assert(pdev==1)
[L1695]  COND FALSE   0  !(!expression)
         VAL             [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}]
[L1710]  RET          0  ldv_assert(pdev==1)
[L1711]  COND TRUE    0  __VERIFIER_nondet_int()
         VAL             [__VERIFIER_nondet_int()=1, mutex={4:0}, pdev=1, t1={3:0}]
[L1712]  FCALL, FORK  0  pthread_create(&t1, ((void *)0), thread1, ((void *)0))
         VAL             [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}]
[L1713]               0  return 0;
         VAL             [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}]
[L1734]  RET, EXPR    0  module_init()
[L1734]  COND FALSE   0  !(module_init()!=0)
         VAL             [arg={0:0}, arg={0:0}, module_init()=0, mutex={4:0}, pdev=1, t1={3:0}]
[L1735]  CALL         0  module_exit()
[L1721]               0  void *status;
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, status={5:0}, t1={3:0}]
[L1723]               0  pdev = 4
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, status={5:0}, t1={3:0}]
[L1702]               1  pdev = 6
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}]
[L1705]               1  return 0;
         VAL             [\result={0:0}, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}]
[L1726]  CALL         0  ldv_assert(pdev==4)
[L1695]  COND TRUE    0  !expression
[L1695]               0  reach_error()
         VAL             [\old(expression)=0, \result={0:0}, arg={0:0}, arg={0:0}, expression=0, mutex={4:0}, pdev=6, t1={3:0}]

  - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1695]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1712]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 111 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-12-13 09:12:27,489 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-12-13 09:12:27,689 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33afad79-8457-4dd2-98a5-5767fc0ab6cb/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE