./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7ed3fc81a6baa40baeec77c0043080ce5c04efa
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:23:49,021 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:23:49,024 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:23:49,076 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:23:49,077 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:23:49,082 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:23:49,085 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:23:49,089 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:23:49,092 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:23:49,098 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:23:49,099 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:23:49,101 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:23:49,101 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:23:49,105 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:23:49,106 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:23:49,109 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:23:49,110 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:23:49,114 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:23:49,117 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:23:49,126 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:23:49,128 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:23:49,130 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:23:49,133 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:23:49,135 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:23:49,144 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:23:49,145 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:23:49,145 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:23:49,148 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:23:49,149 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:23:49,150 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:23:49,151 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:23:49,152 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:23:49,155 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:23:49,156 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:23:49,158 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:23:49,158 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:23:49,159 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:23:49,159 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:23:49,160 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:23:49,161 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:23:49,162 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:23:49,163 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:23:49,214 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:23:49,215 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:23:49,218 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:23:49,219 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:23:49,219 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:23:49,219 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:23:49,219 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:23:49,220 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:23:49,220 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:23:49,220 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:23:49,221 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:23:49,222 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:23:49,222 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:23:49,222 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:23:49,222 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:23:49,223 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:23:49,223 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:23:49,223 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:23:49,230 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:23:49,231 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:23:49,231 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:23:49,231 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:23:49,231 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:23:49,232 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:23:49,232 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:23:49,232 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:23:49,232 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:23:49,233 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:23:49,233 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_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/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_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7ed3fc81a6baa40baeec77c0043080ce5c04efa
[2021-10-11 00:23:49,541 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:23:49,570 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:23:49,574 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:23:49,576 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:23:49,577 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:23:49,578 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-atomic/szymanski.i
[2021-10-11 00:23:49,683 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/data/95361ef59/8a42ba93a3d64e699b4e457bdcdb7f55/FLAG9c7ca8cfe
[2021-10-11 00:23:50,247 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:23:50,247 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/sv-benchmarks/c/pthread-atomic/szymanski.i
[2021-10-11 00:23:50,265 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/data/95361ef59/8a42ba93a3d64e699b4e457bdcdb7f55/FLAG9c7ca8cfe
[2021-10-11 00:23:50,534 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/data/95361ef59/8a42ba93a3d64e699b4e457bdcdb7f55
[2021-10-11 00:23:50,536 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:23:50,538 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:23:50,540 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:23:50,540 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:23:50,550 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:23:50,551 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:50" (1/1) ...
[2021-10-11 00:23:50,553 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6369d389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:50, skipping insertion in model container
[2021-10-11 00:23:50,555 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:50" (1/1) ...
[2021-10-11 00:23:50,563 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:23:50,628 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:23:50,843 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2021-10-11 00:23:51,079 WARN  L226   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_956d7d56-f92b-4b10-a15e-23d5d783d923/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518]
[2021-10-11 00:23:51,096 WARN  L226   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_956d7d56-f92b-4b10-a15e-23d5d783d923/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928]
[2021-10-11 00:23:51,111 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:23:51,131 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:23:51,163 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2021-10-11 00:23:51,198 WARN  L226   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_956d7d56-f92b-4b10-a15e-23d5d783d923/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518]
[2021-10-11 00:23:51,215 WARN  L226   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_956d7d56-f92b-4b10-a15e-23d5d783d923/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928]
[2021-10-11 00:23:51,219 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:23:51,301 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:23:51,301 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51 WrapperNode
[2021-10-11 00:23:51,302 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:23:51,303 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:23:51,303 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:23:51,304 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:23:51,312 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,329 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,350 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:23:51,351 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:23:51,351 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:23:51,352 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:23:51,362 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,363 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,367 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,367 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,375 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,382 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,385 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
[2021-10-11 00:23:51,388 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:23:51,389 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:23:51,390 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:23:51,390 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:23:51,391 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:23:51,512 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-11 00:23:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure thr2
[2021-10-11 00:23:51,513 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr2
[2021-10-11 00:23:51,513 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2021-10-11 00:23:51,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2021-10-11 00:23:51,517 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:23:51,517 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-11 00:23:51,518 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:23:51,518 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:23:51,518 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:23:51,518 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-11 00:23:51,519 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:23:51,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:23:51,521 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-11 00:23:51,966 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:23:51,967 INFO  L299             CfgBuilder]: Removed 12 assume(true) statements.
[2021-10-11 00:23:51,970 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:51 BoogieIcfgContainer
[2021-10-11 00:23:51,970 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:23:51,972 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:23:51,972 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:23:51,986 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:23:51,987 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:50" (1/3) ...
[2021-10-11 00:23:51,988 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d136f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:51, skipping insertion in model container
[2021-10-11 00:23:51,988 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:51" (2/3) ...
[2021-10-11 00:23:51,989 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d136f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:51, skipping insertion in model container
[2021-10-11 00:23:51,989 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:51" (3/3) ...
[2021-10-11 00:23:51,991 INFO  L111   eAbstractionObserver]: Analyzing ICFG szymanski.i
[2021-10-11 00:23:52,009 WARN  L169   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-11 00:23:52,009 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:23:52,012 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-10-11 00:23:52,014 INFO  L354   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-11 00:23:52,058 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,058 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,058 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,059 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,059 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,060 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,060 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,060 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,061 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,061 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,061 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,061 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,062 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,062 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,062 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,062 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,063 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,063 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,063 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,063 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,064 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,064 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,064 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,064 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,065 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,065 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,065 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,065 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,065 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,066 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,067 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,067 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,067 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,067 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,068 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,068 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,068 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,068 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,069 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,069 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,069 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,070 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,070 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,070 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,099 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,100 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,100 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,100 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,101 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,101 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,101 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,101 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,101 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,102 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,102 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,103 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,103 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,103 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,104 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,104 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,105 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,105 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,106 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,106 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,106 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,106 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,106 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,107 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,108 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,108 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,108 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,108 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,109 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,109 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,109 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,109 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,109 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,110 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,110 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,111 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,111 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,111 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,111 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,112 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,112 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,112 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,112 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,112 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,113 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,115 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,115 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,116 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,116 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,116 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,135 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,135 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,135 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,136 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,136 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:23:52,143 INFO  L149    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2021-10-11 00:23:52,166 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-10-11 00:23:52,189 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:23:52,189 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:23:52,190 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:23:52,190 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:23:52,190 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:23:52,190 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:23:52,190 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:23:52,191 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:23:52,205 INFO  L120   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-11 00:23:52,208 INFO  L135   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 109 transitions, 240 flow
[2021-10-11 00:23:52,211 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 109 transitions, 240 flow
[2021-10-11 00:23:52,213 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 94 places, 109 transitions, 240 flow
[2021-10-11 00:23:52,272 INFO  L129       PetriNetUnfolder]: 21/109 cut-off events.
[2021-10-11 00:23:52,272 INFO  L130       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2021-10-11 00:23:52,280 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 120 conditions, 109 events. 21/109 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 158 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 83. Up to 3 conditions per place. 
[2021-10-11 00:23:52,286 INFO  L116        LiptonReduction]: Number of co-enabled transitions 3528
[2021-10-11 00:23:54,941 WARN  L197               SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74
[2021-10-11 00:23:55,044 WARN  L197               SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70
[2021-10-11 00:23:55,249 WARN  L197               SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74
[2021-10-11 00:23:55,353 WARN  L197               SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70
[2021-10-11 00:23:55,368 INFO  L131        LiptonReduction]: Checked pairs total: 9414
[2021-10-11 00:23:55,368 INFO  L133        LiptonReduction]: Total number of compositions: 72
[2021-10-11 00:23:55,375 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 53 transitions, 128 flow
[2021-10-11 00:23:55,421 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 575 states.
[2021-10-11 00:23:55,423 INFO  L276                IsEmpty]: Start isEmpty. Operand 575 states.
[2021-10-11 00:23:55,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-11 00:23:55,432 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:55,432 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:55,433 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:55,439 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:55,439 INFO  L82        PathProgramCache]: Analyzing trace with hash -1395682617, now seen corresponding path program 1 times
[2021-10-11 00:23:55,448 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:55,449 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699603229]
[2021-10-11 00:23:55,449 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:55,569 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:55,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:55,641 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699603229]
[2021-10-11 00:23:55,642 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:55,644 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:23:55,645 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319283931]
[2021-10-11 00:23:55,649 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:55,650 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:55,683 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:55,683 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:55,686 INFO  L87              Difference]: Start difference. First operand 575 states. Second operand 3 states.
[2021-10-11 00:23:55,785 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:55,786 INFO  L93              Difference]: Finished difference Result 623 states and 1713 transitions.
[2021-10-11 00:23:55,786 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:55,788 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2021-10-11 00:23:55,788 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:55,807 INFO  L225             Difference]: With dead ends: 623
[2021-10-11 00:23:55,807 INFO  L226             Difference]: Without dead ends: 446
[2021-10-11 00:23:55,809 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:55,833 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 446 states.
[2021-10-11 00:23:55,904 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 428.
[2021-10-11 00:23:55,905 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 428 states.
[2021-10-11 00:23:55,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 1214 transitions.
[2021-10-11 00:23:55,915 INFO  L78                 Accepts]: Start accepts. Automaton has 428 states and 1214 transitions. Word has length 10
[2021-10-11 00:23:55,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:55,916 INFO  L481      AbstractCegarLoop]: Abstraction has 428 states and 1214 transitions.
[2021-10-11 00:23:55,917 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:55,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 428 states and 1214 transitions.
[2021-10-11 00:23:55,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:23:55,919 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:55,920 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:55,920 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:23:55,920 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:55,921 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:55,921 INFO  L82        PathProgramCache]: Analyzing trace with hash 1830914178, now seen corresponding path program 1 times
[2021-10-11 00:23:55,921 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:55,921 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581909674]
[2021-10-11 00:23:55,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:55,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:56,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:56,004 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581909674]
[2021-10-11 00:23:56,004 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:56,004 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:23:56,004 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869552560]
[2021-10-11 00:23:56,005 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:56,006 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:56,006 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:56,007 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,007 INFO  L87              Difference]: Start difference. First operand 428 states and 1214 transitions. Second operand 3 states.
[2021-10-11 00:23:56,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:56,039 INFO  L93              Difference]: Finished difference Result 413 states and 1158 transitions.
[2021-10-11 00:23:56,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:56,042 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 12
[2021-10-11 00:23:56,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:56,046 INFO  L225             Difference]: With dead ends: 413
[2021-10-11 00:23:56,046 INFO  L226             Difference]: Without dead ends: 308
[2021-10-11 00:23:56,047 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 308 states.
[2021-10-11 00:23:56,067 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308.
[2021-10-11 00:23:56,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2021-10-11 00:23:56,070 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 866 transitions.
[2021-10-11 00:23:56,071 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 866 transitions. Word has length 12
[2021-10-11 00:23:56,071 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:56,071 INFO  L481      AbstractCegarLoop]: Abstraction has 308 states and 866 transitions.
[2021-10-11 00:23:56,071 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:56,071 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 866 transitions.
[2021-10-11 00:23:56,075 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:23:56,075 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:56,075 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:56,075 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:23:56,076 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:56,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:56,076 INFO  L82        PathProgramCache]: Analyzing trace with hash -1877941582, now seen corresponding path program 1 times
[2021-10-11 00:23:56,077 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:56,077 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375727454]
[2021-10-11 00:23:56,077 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:56,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:56,140 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:56,141 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375727454]
[2021-10-11 00:23:56,141 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:56,141 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:23:56,141 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715482501]
[2021-10-11 00:23:56,142 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:56,142 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:56,143 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:56,143 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,143 INFO  L87              Difference]: Start difference. First operand 308 states and 866 transitions. Second operand 3 states.
[2021-10-11 00:23:56,181 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:56,181 INFO  L93              Difference]: Finished difference Result 308 states and 862 transitions.
[2021-10-11 00:23:56,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:56,182 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2021-10-11 00:23:56,182 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:56,185 INFO  L225             Difference]: With dead ends: 308
[2021-10-11 00:23:56,185 INFO  L226             Difference]: Without dead ends: 308
[2021-10-11 00:23:56,186 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,188 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 308 states.
[2021-10-11 00:23:56,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308.
[2021-10-11 00:23:56,203 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 308 states.
[2021-10-11 00:23:56,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 862 transitions.
[2021-10-11 00:23:56,206 INFO  L78                 Accepts]: Start accepts. Automaton has 308 states and 862 transitions. Word has length 19
[2021-10-11 00:23:56,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:56,206 INFO  L481      AbstractCegarLoop]: Abstraction has 308 states and 862 transitions.
[2021-10-11 00:23:56,206 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:56,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 308 states and 862 transitions.
[2021-10-11 00:23:56,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:23:56,209 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:56,209 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:56,210 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:23:56,210 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:56,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:56,211 INFO  L82        PathProgramCache]: Analyzing trace with hash -604449698, now seen corresponding path program 1 times
[2021-10-11 00:23:56,211 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:56,211 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52051480]
[2021-10-11 00:23:56,211 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:56,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:56,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:56,268 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52051480]
[2021-10-11 00:23:56,268 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:56,269 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:23:56,269 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205952151]
[2021-10-11 00:23:56,270 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:23:56,270 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:56,271 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:23:56,271 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:23:56,271 INFO  L87              Difference]: Start difference. First operand 308 states and 862 transitions. Second operand 4 states.
[2021-10-11 00:23:56,377 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:56,377 INFO  L93              Difference]: Finished difference Result 392 states and 1094 transitions.
[2021-10-11 00:23:56,377 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:23:56,377 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 19
[2021-10-11 00:23:56,378 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:56,380 INFO  L225             Difference]: With dead ends: 392
[2021-10-11 00:23:56,381 INFO  L226             Difference]: Without dead ends: 274
[2021-10-11 00:23:56,381 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:23:56,383 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2021-10-11 00:23:56,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 244.
[2021-10-11 00:23:56,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 244 states.
[2021-10-11 00:23:56,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 634 transitions.
[2021-10-11 00:23:56,396 INFO  L78                 Accepts]: Start accepts. Automaton has 244 states and 634 transitions. Word has length 19
[2021-10-11 00:23:56,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:56,396 INFO  L481      AbstractCegarLoop]: Abstraction has 244 states and 634 transitions.
[2021-10-11 00:23:56,396 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:23:56,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 634 transitions.
[2021-10-11 00:23:56,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:23:56,397 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:56,398 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:56,398 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:23:56,398 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:56,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:56,399 INFO  L82        PathProgramCache]: Analyzing trace with hash -394659122, now seen corresponding path program 2 times
[2021-10-11 00:23:56,399 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:56,399 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296425790]
[2021-10-11 00:23:56,399 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:56,415 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:56,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:56,453 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296425790]
[2021-10-11 00:23:56,453 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:56,453 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:23:56,454 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856089558]
[2021-10-11 00:23:56,454 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:56,454 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:56,455 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:56,455 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,455 INFO  L87              Difference]: Start difference. First operand 244 states and 634 transitions. Second operand 3 states.
[2021-10-11 00:23:56,503 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:56,503 INFO  L93              Difference]: Finished difference Result 274 states and 713 transitions.
[2021-10-11 00:23:56,504 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:56,504 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2021-10-11 00:23:56,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:56,506 INFO  L225             Difference]: With dead ends: 274
[2021-10-11 00:23:56,507 INFO  L226             Difference]: Without dead ends: 274
[2021-10-11 00:23:56,507 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:56,508 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2021-10-11 00:23:56,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 244.
[2021-10-11 00:23:56,518 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 244 states.
[2021-10-11 00:23:56,520 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 630 transitions.
[2021-10-11 00:23:56,520 INFO  L78                 Accepts]: Start accepts. Automaton has 244 states and 630 transitions. Word has length 19
[2021-10-11 00:23:56,520 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:56,521 INFO  L481      AbstractCegarLoop]: Abstraction has 244 states and 630 transitions.
[2021-10-11 00:23:56,521 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:56,521 INFO  L276                IsEmpty]: Start isEmpty. Operand 244 states and 630 transitions.
[2021-10-11 00:23:56,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:23:56,523 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:56,523 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:23:56,523 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:23:56,523 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:56,524 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:56,524 INFO  L82        PathProgramCache]: Analyzing trace with hash -1200101758, now seen corresponding path program 3 times
[2021-10-11 00:23:56,524 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:56,525 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556411545]
[2021-10-11 00:23:56,525 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:56,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:56,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:56,612 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556411545]
[2021-10-11 00:23:56,612 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:56,613 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:23:56,613 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317321808]
[2021-10-11 00:23:56,614 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:23:56,615 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:56,618 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:23:56,621 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:23:56,622 INFO  L87              Difference]: Start difference. First operand 244 states and 630 transitions. Second operand 4 states.
[2021-10-11 00:23:56,671 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:56,671 INFO  L93              Difference]: Finished difference Result 214 states and 573 transitions.
[2021-10-11 00:23:56,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:23:56,672 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 19
[2021-10-11 00:23:56,672 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:56,672 INFO  L225             Difference]: With dead ends: 214
[2021-10-11 00:23:56,672 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:23:56,672 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:23:56,673 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:23:56,673 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:23:56,673 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:23:56,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:23:56,673 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2021-10-11 00:23:56,673 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:56,673 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:23:56,674 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:23:56,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:23:56,674 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:23:56,674 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:23:56,677 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:56 BasicIcfg
[2021-10-11 00:23:56,677 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:23:56,678 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:23:56,678 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:23:56,678 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:23:56,679 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:51" (3/4) ...
[2021-10-11 00:23:56,682 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:23:56,688 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thr2
[2021-10-11 00:23:56,688 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure thr1
[2021-10-11 00:23:56,692 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2021-10-11 00:23:56,692 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:23:56,692 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:23:56,693 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:23:56,737 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_956d7d56-f92b-4b10-a15e-23d5d783d923/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:23:56,737 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:23:56,738 INFO  L168              Benchmark]: Toolchain (without parser) took 6200.05 ms. Allocated memory was 92.3 MB in the beginning and 199.2 MB in the end (delta: 107.0 MB). Free memory was 56.4 MB in the beginning and 173.3 MB in the end (delta: -116.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,739 INFO  L168              Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,740 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 762.65 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 56.2 MB in the beginning and 78.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,740 INFO  L168              Benchmark]: Boogie Procedure Inliner took 47.34 ms. Allocated memory is still 123.7 MB. Free memory was 78.6 MB in the beginning and 77.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,741 INFO  L168              Benchmark]: Boogie Preprocessor took 37.63 ms. Allocated memory is still 123.7 MB. Free memory was 77.0 MB in the beginning and 75.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,741 INFO  L168              Benchmark]: RCFGBuilder took 580.95 ms. Allocated memory is still 123.7 MB. Free memory was 75.7 MB in the beginning and 50.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,742 INFO  L168              Benchmark]: TraceAbstraction took 4705.00 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 49.9 MB in the beginning and 50.5 MB in the end (delta: -628.7 kB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,743 INFO  L168              Benchmark]: Witness Printer took 59.51 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 50.5 MB in the beginning and 173.3 MB in the end (delta: -122.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:56,746 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.68 ms. Allocated memory is still 92.3 MB. Free memory was 62.4 MB in the beginning and 62.4 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 762.65 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 56.2 MB in the beginning and 78.6 MB in the end (delta: -22.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 47.34 ms. Allocated memory is still 123.7 MB. Free memory was 78.6 MB in the beginning and 77.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 37.63 ms. Allocated memory is still 123.7 MB. Free memory was 77.0 MB in the beginning and 75.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * RCFGBuilder took 580.95 ms. Allocated memory is still 123.7 MB. Free memory was 75.7 MB in the beginning and 50.7 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 4705.00 ms. Allocated memory was 123.7 MB in the beginning and 165.7 MB in the end (delta: 41.9 MB). Free memory was 49.9 MB in the beginning and 50.5 MB in the end (delta: -628.7 kB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB.
 * Witness Printer took 59.51 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 50.5 MB in the beginning and 173.3 MB in the end (delta: -122.8 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    2114 VarBasedMoverChecksPositive, 58 VarBasedMoverChecksNegative, 7 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 361 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 94 PlacesBefore, 48 PlacesAfterwards, 109 TransitionsBefore, 53 TransitionsAfterwards, 3528 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 10 ChoiceCompositions, 72 TotalNumberOfCompositions, 9414 MoverChecksTotal
  - PositiveResult [Line: 802]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 745]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    2 specifications checked. All of them hold
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 88 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 346 SDtfs, 170 SDslu, 213 SDs, 0 SdLazy, 136 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=575occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 2222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct!
Received shutdown request...