./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4e7fbc69
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am --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 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a
--- 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-4e7fbc6
[2022-11-22 23:36:23,896 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-22 23:36:23,898 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-22 23:36:23,945 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-22 23:36:23,949 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-22 23:36:23,951 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-22 23:36:23,954 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-22 23:36:23,963 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-22 23:36:23,966 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-22 23:36:23,968 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-22 23:36:23,970 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-22 23:36:23,973 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-22 23:36:23,976 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-22 23:36:23,980 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-22 23:36:23,982 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-22 23:36:23,984 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-22 23:36:23,988 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-22 23:36:23,997 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-22 23:36:23,999 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-22 23:36:24,002 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-22 23:36:24,007 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-22 23:36:24,010 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-22 23:36:24,013 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-22 23:36:24,015 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-22 23:36:24,020 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-22 23:36:24,027 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-22 23:36:24,027 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-22 23:36:24,029 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-22 23:36:24,030 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-22 23:36:24,032 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-22 23:36:24,033 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-22 23:36:24,034 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-22 23:36:24,036 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-22 23:36:24,038 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-22 23:36:24,042 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-22 23:36:24,042 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-22 23:36:24,044 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-22 23:36:24,044 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-22 23:36:24,044 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-22 23:36:24,050 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-22 23:36:24,051 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-22 23:36:24,053 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2022-11-22 23:36:24,102 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-22 23:36:24,112 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-22 23:36:24,113 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-22 23:36:24,114 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-22 23:36:24,115 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-22 23:36:24,115 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-22 23:36:24,117 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-22 23:36:24,117 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-22 23:36:24,117 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-22 23:36:24,118 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-22 23:36:24,119 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-22 23:36:24,120 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-22 23:36:24,120 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-22 23:36:24,120 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-22 23:36:24,121 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-22 23:36:24,121 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-22 23:36:24,121 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-22 23:36:24,122 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-22 23:36:24,122 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-22 23:36:24,122 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-22 23:36:24,122 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-22 23:36:24,123 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-22 23:36:24,123 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-22 23:36:24,123 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-22 23:36:24,124 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-22 23:36:24,124 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-22 23:36:24,124 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-22 23:36:24,125 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-22 23:36:24,126 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-22 23:36:24,126 INFO  L138        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2022-11-22 23:36:24,127 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-22 23:36:24,127 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-22 23:36:24,127 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-11-22 23:36:24,128 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-22 23:36:24,128 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-11-22 23:36:24,128 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-11-22 23:36:24,129 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_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/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_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am
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 -> 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a
[2022-11-22 23:36:24,507 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-22 23:36:24,555 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-22 23:36:24,558 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-22 23:36:24,559 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-22 23:36:24,560 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-22 23:36:24,562 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-22 23:36:28,381 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-22 23:36:28,803 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-22 23:36:28,804 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-22 23:36:28,822 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/data/7284de1dd/a3e8618663fe48ac81d483c505bce24a/FLAG059fb013a
[2022-11-22 23:36:28,846 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/data/7284de1dd/a3e8618663fe48ac81d483c505bce24a
[2022-11-22 23:36:28,850 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-22 23:36:28,853 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-22 23:36:28,856 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-22 23:36:28,856 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-22 23:36:28,861 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-22 23:36:28,862 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:28" (1/1) ...
[2022-11-22 23:36:28,863 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ae7cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:28, skipping insertion in model container
[2022-11-22 23:36:28,864 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:28" (1/1) ...
[2022-11-22 23:36:28,874 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-22 23:36:28,921 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-22 23:36:29,121 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_c2f05b20-8d71-453a-a83a-ef95f0a20696/sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052]
[2022-11-22 23:36:29,376 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-22 23:36:29,403 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-22 23:36:29,428 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_c2f05b20-8d71-453a-a83a-ef95f0a20696/sv-benchmarks/c/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052]
[2022-11-22 23:36:29,514 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-22 23:36:29,581 INFO  L208         MainTranslator]: Completed translation
[2022-11-22 23:36:29,582 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29 WrapperNode
[2022-11-22 23:36:29,582 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-22 23:36:29,584 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-22 23:36:29,584 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-22 23:36:29,584 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-22 23:36:29,594 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,633 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,675 INFO  L138                Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112
[2022-11-22 23:36:29,676 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-22 23:36:29,677 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-22 23:36:29,677 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-22 23:36:29,677 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-22 23:36:29,689 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,689 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,693 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,693 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,701 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,703 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,705 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,707 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,711 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-22 23:36:29,712 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-22 23:36:29,712 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-22 23:36:29,712 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-22 23:36:29,713 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (1/1) ...
[2022-11-22 23:36:29,737 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-22 23:36:29,754 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3
[2022-11-22 23:36:29,769 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-22 23:36:29,801 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-22 23:36:29,832 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-11-22 23:36:29,833 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-22 23:36:29,834 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-22 23:36:29,836 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-22 23:36:29,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-22 23:36:29,837 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2022-11-22 23:36:29,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2022-11-22 23:36:29,838 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2022-11-22 23:36:29,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2022-11-22 23:36:29,839 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-22 23:36:29,839 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-22 23:36:29,839 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-22 23:36:29,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-22 23:36:29,842 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-22 23:36:30,048 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-22 23:36:30,051 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-22 23:36:30,435 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-22 23:36:30,784 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-22 23:36:30,784 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-22 23:36:30,787 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:30 BoogieIcfgContainer
[2022-11-22 23:36:30,788 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-22 23:36:30,792 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-22 23:36:30,792 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-22 23:36:30,796 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-22 23:36:30,796 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:36:28" (1/3) ...
[2022-11-22 23:36:30,797 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5744ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:30, skipping insertion in model container
[2022-11-22 23:36:30,798 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:29" (2/3) ...
[2022-11-22 23:36:30,798 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5744ff87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:30, skipping insertion in model container
[2022-11-22 23:36:30,798 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:30" (3/3) ...
[2022-11-22 23:36:30,800 INFO  L112   eAbstractionObserver]: Analyzing ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i
[2022-11-22 23:36:30,825 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-22 23:36:30,837 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-22 23:36:30,837 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-11-22 23:36:30,837 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-22 23:36:30,935 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-22 23:36:31,002 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-22 23:36:31,003 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-11-22 23:36:31,003 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3
[2022-11-22 23:36:31,007 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-11-22 23:36:31,013 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-11-22 23:36:31,063 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-11-22 23:36:31,093 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ========
[2022-11-22 23:36:31,104 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;@5c1d9ef0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-22 23:36:31,104 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-22 23:36:31,293 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-22 23:36:31,300 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:31,300 INFO  L85        PathProgramCache]: Analyzing trace with hash 245153968, now seen corresponding path program 1 times
[2022-11-22 23:36:31,314 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:31,314 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156982544]
[2022-11-22 23:36:31,315 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:31,315 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:31,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:32,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:32,090 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:32,090 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156982544]
[2022-11-22 23:36:32,091 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156982544] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:32,092 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:32,092 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-22 23:36:32,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082616298]
[2022-11-22 23:36:32,095 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:32,102 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-22 23:36:32,102 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:32,130 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-22 23:36:32,132 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-22 23:36:32,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:32,136 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:32,137 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:32,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:32,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:32,781 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-22 23:36:32,782 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-22 23:36:32,798 INFO  L444         BasicCegarLoop]: Path program histogram: [1]
[2022-11-22 23:36:32,801 INFO  L307   ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2)
[2022-11-22 23:36:32,807 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-22 23:36:32,808 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-11-22 23:36:32,808 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3
[2022-11-22 23:36:32,835 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-11-22 23:36:32,840 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-11-22 23:36:32,840 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2022-11-22 23:36:32,841 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;@5c1d9ef0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-22 23:36:32,841 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-11-22 23:36:32,867 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2022-11-22 23:36:32,995 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:32,996 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:32,997 INFO  L85        PathProgramCache]: Analyzing trace with hash 1289858616, now seen corresponding path program 1 times
[2022-11-22 23:36:32,997 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:32,997 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223061963]
[2022-11-22 23:36:32,997 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:32,998 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:33,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:33,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:33,075 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:33,076 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223061963]
[2022-11-22 23:36:33,076 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223061963] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:33,076 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:33,076 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-22 23:36:33,077 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589755476]
[2022-11-22 23:36:33,077 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:33,078 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-22 23:36:33,078 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:33,078 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-22 23:36:33,079 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-22 23:36:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,079 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:33,080 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:33,080 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-22 23:36:33,106 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:33,107 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:33,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -1873743139, now seen corresponding path program 1 times
[2022-11-22 23:36:33,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:33,108 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770324217]
[2022-11-22 23:36:33,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:33,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:33,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:33,458 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:33,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:33,459 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770324217]
[2022-11-22 23:36:33,459 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770324217] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:33,459 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:33,460 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-22 23:36:33,460 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328069052]
[2022-11-22 23:36:33,460 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:33,461 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-22 23:36:33,461 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:33,462 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-22 23:36:33,462 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-22 23:36:33,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,463 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:33,463 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:33,463 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,464 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,570 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:33,572 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-22 23:36:33,572 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:33,573 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:33,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -152717125, now seen corresponding path program 1 times
[2022-11-22 23:36:33,573 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:33,574 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930279996]
[2022-11-22 23:36:33,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:33,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:33,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:33,956 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:33,956 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:33,957 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930279996]
[2022-11-22 23:36:33,957 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930279996] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:33,957 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:33,957 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-22 23:36:33,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578918484]
[2022-11-22 23:36:33,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:33,959 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-22 23:36:33,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:33,960 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-22 23:36:33,960 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-22 23:36:33,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,960 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:33,961 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:33,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:33,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:33,961 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,221 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:34,222 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-22 23:36:34,222 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-22 23:36:34,222 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:34,227 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:34,227 INFO  L85        PathProgramCache]: Analyzing trace with hash -297103206, now seen corresponding path program 1 times
[2022-11-22 23:36:34,228 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:34,230 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589392260]
[2022-11-22 23:36:34,230 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:34,230 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:34,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:34,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:34,642 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:34,642 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589392260]
[2022-11-22 23:36:34,642 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589392260] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:34,643 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:34,643 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-22 23:36:34,643 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163007377]
[2022-11-22 23:36:34,643 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:34,644 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-22 23:36:34,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:34,649 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-22 23:36:34,650 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-11-22 23:36:34,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,651 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:34,651 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:34,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:34,665 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-11-22 23:36:34,666 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:34,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:34,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-22 23:36:34,898 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-11-22 23:36:34,898 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-22 23:36:34,899 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:34,899 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:34,899 INFO  L85        PathProgramCache]: Analyzing trace with hash -726460551, now seen corresponding path program 1 times
[2022-11-22 23:36:34,900 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:34,900 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373392774]
[2022-11-22 23:36:34,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:34,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:35,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-22 23:36:35,924 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-22 23:36:35,925 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-22 23:36:35,925 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373392774]
[2022-11-22 23:36:35,925 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373392774] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-22 23:36:35,925 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-22 23:36:35,926 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-11-22 23:36:35,926 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554030238]
[2022-11-22 23:36:35,926 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-22 23:36:35,927 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-11-22 23:36:35,927 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-22 23:36:35,927 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-11-22 23:36:35,928 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2022-11-22 23:36:35,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:35,928 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-11-22 23:36:35,929 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-22 23:36:35,929 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:35,929 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:35,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-11-22 23:36:35,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-11-22 23:36:35,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:36,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-22 23:36:36,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-11-22 23:36:36,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-22 23:36:36,432 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-11-22 23:36:36,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-11-22 23:36:36,433 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-22 23:36:36,434 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2022-11-22 23:36:36,434 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-22 23:36:36,434 INFO  L85        PathProgramCache]: Analyzing trace with hash 737867453, now seen corresponding path program 2 times
[2022-11-22 23:36:36,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-22 23:36:36,435 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554979456]
[2022-11-22 23:36:36,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-22 23:36:36,435 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-22 23:36:36,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-22 23:36:36,487 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-22 23:36:36,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-22 23:36:36,557 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-22 23:36:36,558 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2022-11-22 23:36:36,558 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-11-22 23:36:36,558 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2022-11-22 23:36:36,559 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2022-11-22 23:36:36,559 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-22 23:36:36,561 INFO  L444         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1]
[2022-11-22 23:36:36,562 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2)
[2022-11-22 23:36:36,566 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-22 23:36:36,566 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-22 23:36:36,686 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:36:36 BasicIcfg
[2022-11-22 23:36:36,693 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-22 23:36:36,693 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-22 23:36:36,694 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-22 23:36:36,694 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-22 23:36:36,695 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:30" (3/4) ...
[2022-11-22 23:36:36,697 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-22 23:36:36,865 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/witness.graphml
[2022-11-22 23:36:36,870 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-22 23:36:36,871 INFO  L158              Benchmark]: Toolchain (without parser) took 8018.45ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 109.0MB in the beginning and 81.2MB in the end (delta: 27.7MB). Peak memory consumption was 120.4MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,872 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-22 23:36:36,872 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 727.06ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 86.9MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,873 INFO  L158              Benchmark]: Boogie Procedure Inliner took 92.34ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,873 INFO  L158              Benchmark]: Boogie Preprocessor took 34.09ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,874 INFO  L158              Benchmark]: RCFGBuilder took 1076.52ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 82.7MB in the beginning and 154.9MB in the end (delta: -72.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,874 INFO  L158              Benchmark]: TraceAbstraction took 5901.19ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 153.8MB in the beginning and 97.0MB in the end (delta: 56.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,875 INFO  L158              Benchmark]: Witness Printer took 177.24ms. Allocated memory is still 232.8MB. Free memory was 97.0MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-22 23:36:36,878 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 727.06ms. Allocated memory is still 142.6MB. Free memory was 109.0MB in the beginning and 86.9MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 92.34ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 34.09ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1076.52ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 82.7MB in the beginning and 154.9MB in the end (delta: -72.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5901.19ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 153.8MB in the beginning and 97.0MB in the end (delta: 56.8MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB.
 * Witness Printer took 177.24ms. Allocated memory is still 232.8MB. Free memory was 97.0MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 73, dependent conditional: 57, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1365, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1365, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 51, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 49, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 49, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 798, independent: 776, independent conditional: 2, independent unconditional: 774, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 798, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 476, independent: 94, independent conditional: 45, independent unconditional: 48, dependent: 383, dependent conditional: 115, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1463, independent: 522, independent conditional: 45, independent unconditional: 477, dependent: 143, dependent conditional: 45, dependent unconditional: 98, unknown: 798, unknown conditional: 6, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 776, Positive conditional cache size: 2, Positive unconditional cache size: 774, Negative cache size: 22, Negative conditional cache size: 4, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 6
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.4s, Number of persistent set computation: 173, Number of trivial persistent sets: 127, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 790, independent: 774, independent conditional: 0, independent unconditional: 774, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 73, dependent conditional: 57, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1365, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1365, independent: 1298, independent conditional: 524, independent unconditional: 774, dependent: 67, dependent conditional: 51, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 51, dependent unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 49, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1463, independent: 1298, independent conditional: 47, independent unconditional: 1251, dependent: 165, dependent conditional: 49, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 798, independent: 776, independent conditional: 2, independent unconditional: 774, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 798, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 4, independent conditional: 2, independent unconditional: 2, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 476, independent: 94, independent conditional: 45, independent unconditional: 48, dependent: 383, dependent conditional: 115, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1463, independent: 522, independent conditional: 45, independent unconditional: 477, dependent: 143, dependent conditional: 45, dependent unconditional: 98, unknown: 798, unknown conditional: 6, unknown unconditional: 792] , Statistics on independence cache: Total cache size (in pairs): 798, Positive cache size: 776, Positive conditional cache size: 2, Positive unconditional cache size: 774, Negative cache size: 22, Negative conditional cache size: 4, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 6
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1353, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 55, dependent conditional: 37, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1332, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 34, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 15, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 15, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 652, independent conditional: 3, independent unconditional: 649, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 48, independent conditional: 8, independent unconditional: 40, dependent: 237, dependent conditional: 35, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1371, independent: 646, independent conditional: 2, independent unconditional: 644, dependent: 52, dependent conditional: 12, dependent unconditional: 40, unknown: 673, unknown conditional: 6, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 652, Positive conditional cache size: 3, Positive unconditional cache size: 649, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 2, Independence queries for same thread: 21
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.3s, Number of persistent set computation: 233, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 667, independent: 649, independent conditional: 0, independent unconditional: 649, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1353, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 55, dependent conditional: 37, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1332, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1332, independent: 1298, independent conditional: 649, independent unconditional: 649, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 34, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 15, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1371, independent: 1298, independent conditional: 5, independent unconditional: 1293, dependent: 73, dependent conditional: 15, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 673, independent: 652, independent conditional: 3, independent unconditional: 649, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 673, independent: 646, independent conditional: 0, independent unconditional: 646, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 48, independent conditional: 8, independent unconditional: 40, dependent: 237, dependent conditional: 35, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1371, independent: 646, independent conditional: 2, independent unconditional: 644, dependent: 52, dependent conditional: 12, dependent unconditional: 40, unknown: 673, unknown conditional: 6, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 673, Positive cache size: 652, Positive conditional cache size: 3, Positive unconditional cache size: 649, Negative cache size: 21, Negative conditional cache size: 3, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 19, Maximal queried relation: 2, Independence queries for same thread: 21
  - CounterExampleResult [Line: 19]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L709]               0  int __unbuffered_cnt = 0;
        VAL             [__unbuffered_cnt=0]
[L711]               0  int __unbuffered_p0_EAX = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0]
[L712]               0  _Bool main$tmp_guard0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0]
[L713]               0  _Bool main$tmp_guard1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0]
[L715]               0  int x = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0]
[L716]               0  _Bool x$flush_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0]
[L717]               0  int x$mem_tmp;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0]
[L718]               0  _Bool x$r_buff0_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0]
[L719]               0  _Bool x$r_buff0_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0]
[L720]               0  _Bool x$r_buff0_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0]
[L721]               0  _Bool x$r_buff1_thd0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0]
[L722]               0  _Bool x$r_buff1_thd1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0]
[L723]               0  _Bool x$r_buff1_thd2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0]
[L724]               0  _Bool x$read_delayed;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0]
[L725]               0  int *x$read_delayed_var;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}]
[L726]               0  int x$w_buff0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0]
[L727]               0  _Bool x$w_buff0_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0]
[L728]               0  int x$w_buff1;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0]
[L729]               0  _Bool x$w_buff1_used;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0]
[L731]               0  int y = 0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L732]               0  _Bool weak$$choice0;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L733]               0  _Bool weak$$choice2;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L803]               0  pthread_t t2561;
        VAL             [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2561={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L804]  FCALL, FORK  0  pthread_create(&t2561, ((void *)0), P0, ((void *)0))
        VAL             [#in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2561, ((void *)0), P0, ((void *)0))=-1, t2561={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L805]               0  pthread_t t2562;
        VAL             [#in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2561={5:0}, t2562={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L806]  FCALL, FORK  0  pthread_create(&t2562, ((void *)0), P1, ((void *)0))
        VAL             [#in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2562, ((void *)0), P1, ((void *)0))=0, t2561={5:0}, t2562={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L767]               2  x$w_buff1 = x$w_buff0
[L768]               2  x$w_buff0 = 1
[L769]               2  x$w_buff1_used = x$w_buff0_used
[L770]               2  x$w_buff0_used = (_Bool)1
[L771]  CALL         2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19]   COND FALSE   2  !(!expression)
[L771]  RET          2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L772]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L773]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L774]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L775]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [#in~arg={0:0}, #in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0]
[L778]               2  y = 1
        VAL             [#in~arg={0:0}, #in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1]
[L737]               1  y = 2
        VAL             [#in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L742]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L743]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L744]               1  x$flush_delayed = weak$$choice2
[L745]               1  x$mem_tmp = x
[L746]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L747]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L748]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L749]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L750]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L751]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L752]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L753]               1  __unbuffered_p0_EAX = x
[L754]               1  x = x$flush_delayed ? x$mem_tmp : x
[L755]               1  x$flush_delayed = (_Bool)0
        VAL             [#in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L781]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L782]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L783]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L784]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L785]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2
        VAL             [#in~arg={0:0}, #in~arg={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L788]               2  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [#in~arg={0:0}, #in~arg={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L790]               2  return 0;
        VAL             [#in~arg={0:0}, #in~arg={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L760]               1  __unbuffered_cnt = __unbuffered_cnt + 1
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L808]               0  main$tmp_guard0 = __unbuffered_cnt == 2
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561={5:0}, t2562={3:0}, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L810]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L4]    COND FALSE   0  !(!cond)
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, unknown-#in~cond-unknown=1, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L810]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L812]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L813]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L814]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L815]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L816]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561={5:0}, t2562={3:0}, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L819]               0  main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0)
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2561={5:0}, t2562={3:0}, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L821]  CALL         0  __VERIFIER_assert(main$tmp_guard1)
[L19]   COND TRUE    0  !expression
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, unknown-#in~expression-unknown=1, unknown-#in~expression-unknown=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]
[L19]                0  reach_error()
        VAL             [#in~arg={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, unknown-#in~expression-unknown=1, unknown-#in~expression-unknown=0, weak$$choice0=66, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2]

  - UnprovableResult [Line: 806]: 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. 
  - UnprovableResult [Line: 804]: 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: P1Thread1of1ForFork0 with 1 thread instances
    CFG has 5 procedures, 110 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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: 3, 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, 0.6s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 110 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.3s, 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: 34, 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, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-11-22 23:36:36,920 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0
[2022-11-22 23:36:37,120 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-11-22 23:36:37,319 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f05b20-8d71-453a-a83a-ef95f0a20696/bin/ugemcutter-1C6z4D84am/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