./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix033_tso.opt.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_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/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_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix033_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/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_c292d2f9-20e7-4b44-92c8-984899ec628f/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 a167863e3e2460a2571e380ff1888ad7871fc4b5
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:32:45,470 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:32:45,472 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:32:45,536 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:32:45,537 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:32:45,538 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:32:45,540 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:32:45,542 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:32:45,545 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:32:45,546 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:32:45,547 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:32:45,549 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:32:45,549 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:32:45,551 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:32:45,552 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:32:45,553 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:32:45,555 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:32:45,556 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:32:45,558 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:32:45,560 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:32:45,562 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:32:45,570 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:32:45,572 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:32:45,573 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:32:45,576 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:32:45,577 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:32:45,577 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:32:45,578 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:32:45,579 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:32:45,580 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:32:45,580 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:32:45,581 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:32:45,582 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:32:45,592 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:32:45,595 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:32:45,595 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:32:45,596 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:32:45,596 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:32:45,596 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:32:45,597 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:32:45,598 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:32:45,601 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:32:45,646 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:32:45,647 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:32:45,649 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:32:45,649 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:32:45,649 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:32:45,649 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:32:45,650 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:32:45,650 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:32:45,650 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:32:45,650 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:32:45,651 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:32:45,651 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:32:45,652 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:32:45,652 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:32:45,652 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:32:45,652 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:32:45,652 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:32:45,653 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:32:45,653 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:32:45,653 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:32:45,653 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:32:45,653 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:32:45,654 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:32:45,655 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_c292d2f9-20e7-4b44-92c8-984899ec628f/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_c292d2f9-20e7-4b44-92c8-984899ec628f/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 -> a167863e3e2460a2571e380ff1888ad7871fc4b5
[2021-10-11 00:32:45,964 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:32:45,995 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:32:45,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:32:45,999 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:32:45,999 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:32:46,002 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-wmm/mix033_tso.opt.i
[2021-10-11 00:32:46,081 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/data/bdff7673d/a6a10938676a40e199af8e820702c664/FLAG11366f3b0
[2021-10-11 00:32:46,655 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:32:46,656 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/sv-benchmarks/c/pthread-wmm/mix033_tso.opt.i
[2021-10-11 00:32:46,689 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/data/bdff7673d/a6a10938676a40e199af8e820702c664/FLAG11366f3b0
[2021-10-11 00:32:46,938 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/data/bdff7673d/a6a10938676a40e199af8e820702c664
[2021-10-11 00:32:46,943 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:32:46,946 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:32:46,950 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:46,950 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:32:46,954 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:32:46,955 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:46" (1/1) ...
[2021-10-11 00:32:46,958 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b0c89d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:46, skipping insertion in model container
[2021-10-11 00:32:46,958 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:46" (1/1) ...
[2021-10-11 00:32:46,966 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:32:47,035 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:32:47,272 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_c292d2f9-20e7-4b44-92c8-984899ec628f/sv-benchmarks/c/pthread-wmm/mix033_tso.opt.i[948,961]
[2021-10-11 00:32:47,594 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:47,607 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:32:47,620 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_c292d2f9-20e7-4b44-92c8-984899ec628f/sv-benchmarks/c/pthread-wmm/mix033_tso.opt.i[948,961]
[2021-10-11 00:32:47,698 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:47,791 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:32:47,793 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47 WrapperNode
[2021-10-11 00:32:47,793 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:47,794 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:47,794 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:32:47,796 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:32:47,804 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,846 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,889 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:47,891 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:32:47,891 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:32:47,891 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:32:47,898 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,898 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,901 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,902 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,912 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,915 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,919 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
[2021-10-11 00:32:47,924 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:32:47,925 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:32:47,925 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:32:47,925 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:32:47,926 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/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 00:32:48,014 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:32:48,015 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-11 00:32:48,016 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:32:48,016 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:32:48,017 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-10-11 00:32:48,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-10-11 00:32:48,017 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-10-11 00:32:48,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-10-11 00:32:48,018 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-10-11 00:32:48,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-10-11 00:32:48,019 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:32:48,019 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-11 00:32:48,019 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:32:48,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:32:48,021 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 00:32:49,974 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:32:49,975 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-10-11 00:32:49,978 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:49 BoogieIcfgContainer
[2021-10-11 00:32:49,978 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:32:49,980 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:32:49,980 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:32:49,983 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:32:49,984 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:46" (1/3) ...
[2021-10-11 00:32:49,985 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc5a1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:49, skipping insertion in model container
[2021-10-11 00:32:49,985 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:47" (2/3) ...
[2021-10-11 00:32:49,985 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fc5a1d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:49, skipping insertion in model container
[2021-10-11 00:32:49,986 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:49" (3/3) ...
[2021-10-11 00:32:49,988 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix033_tso.opt.i
[2021-10-11 00:32:50,005 WARN  L169   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-11 00:32:50,005 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:32:50,009 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2021-10-11 00:32:50,010 INFO  L354   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-11 00:32:50,049 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,049 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,049 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,050 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,050 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,050 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,050 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,050 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,051 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,051 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,051 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,051 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,052 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,052 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,052 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,052 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,053 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,053 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,053 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,053 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,054 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,054 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,054 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,054 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,055 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,056 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,056 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,056 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,057 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,057 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,057 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,057 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,058 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,058 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,058 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,058 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,059 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,060 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,061 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,061 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,061 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,061 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,061 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,062 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,062 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,062 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,062 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,062 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,069 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,069 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,069 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,070 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,071 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,071 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,071 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,071 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,071 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,072 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,072 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,072 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,072 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,073 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,073 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,073 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,073 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,074 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,074 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,074 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,075 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,076 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,076 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,077 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,080 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,080 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,080 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,080 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,083 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,084 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,084 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,084 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,088 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,088 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,088 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,088 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,095 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,095 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,095 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,096 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,096 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,096 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,096 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,096 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,097 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,098 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,099 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,099 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,099 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,099 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,099 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,100 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,100 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,100 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,100 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,101 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,102 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,102 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,102 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,126 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,126 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,128 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,128 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,128 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,128 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,129 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,130 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,131 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,132 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,132 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,132 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,134 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,134 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,134 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,134 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,134 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,135 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,137 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,137 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,137 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:32:50,139 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-11 00:32:50,150 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-10-11 00:32:50,169 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:32:50,169 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:32:50,169 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:32:50,169 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:32:50,170 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:32:50,170 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:32:50,170 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:32:50,170 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:32:50,182 INFO  L120   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-11 00:32:50,184 INFO  L135   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 104 transitions, 223 flow
[2021-10-11 00:32:50,186 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 104 transitions, 223 flow
[2021-10-11 00:32:50,188 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 223 flow
[2021-10-11 00:32:50,234 INFO  L129       PetriNetUnfolder]: 2/101 cut-off events.
[2021-10-11 00:32:50,234 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-11 00:32:50,239 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. 
[2021-10-11 00:32:50,242 INFO  L116        LiptonReduction]: Number of co-enabled transitions 1832
[2021-10-11 00:32:50,826 WARN  L197               SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2021-10-11 00:32:50,954 WARN  L197               SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 57
[2021-10-11 00:32:51,472 WARN  L197               SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81
[2021-10-11 00:32:51,691 WARN  L197               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 79
[2021-10-11 00:32:52,925 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2021-10-11 00:32:52,926 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:52,929 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:52,930 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:52,933 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:52,945 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:52,947 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:52,947 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:52,951 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:52,951 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:52,954 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:52,954 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:52,956 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:52,957 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,058 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,059 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2021-10-11 00:32:53,064 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,065 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,307 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term
[2021-10-11 00:32:53,307 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,308 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 2, 1] term
[2021-10-11 00:32:53,309 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,310 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 4, 4, 3, 2, 1] term
[2021-10-11 00:32:53,310 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,519 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,519 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts
[2021-10-11 00:32:53,522 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 8, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,522 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,592 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2021-10-11 00:32:53,592 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:53,597 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:53,598 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:53,600 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:53,600 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:53,601 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:53,602 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:53,604 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,604 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,605 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,606 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:53,607 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:53,607 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:54,143 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:54,143 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2021-10-11 00:32:54,146 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:54,147 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:54,199 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2021-10-11 00:32:54,200 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:54,207 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:54,207 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:54,211 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:54,211 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:54,215 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:54,215 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:54,221 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:54,222 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:54,224 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:54,225 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:54,226 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:54,226 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:55,074 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term
[2021-10-11 00:32:55,074 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:55,076 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:55,077 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:55,078 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:55,078 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:55,079 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term
[2021-10-11 00:32:55,080 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts
[2021-10-11 00:32:55,082 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:55,082 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:55,084 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:55,084 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:55,085 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 5, 3, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:55,085 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2021-10-11 00:32:55,134 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:55,134 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts
[2021-10-11 00:32:55,136 INFO  L398       QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 7, 2, 4, 3, 4, 3, 2, 1] term
[2021-10-11 00:32:55,137 INFO  L639       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2021-10-11 00:32:56,329 WARN  L197               SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 96
[2021-10-11 00:32:56,464 WARN  L197               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 96
[2021-10-11 00:32:56,614 WARN  L197               SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 96
[2021-10-11 00:32:56,735 WARN  L197               SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96
[2021-10-11 00:32:57,169 WARN  L197               SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122
[2021-10-11 00:32:57,385 WARN  L197               SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 118
[2021-10-11 00:32:57,879 WARN  L197               SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122
[2021-10-11 00:32:58,068 WARN  L197               SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 118
[2021-10-11 00:32:58,073 INFO  L131        LiptonReduction]: Checked pairs total: 4594
[2021-10-11 00:32:58,073 INFO  L133        LiptonReduction]: Total number of compositions: 90
[2021-10-11 00:32:58,078 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 28 transitions, 71 flow
[2021-10-11 00:32:58,192 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 890 states.
[2021-10-11 00:32:58,194 INFO  L276                IsEmpty]: Start isEmpty. Operand 890 states.
[2021-10-11 00:32:58,201 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-11 00:32:58,201 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:58,202 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:58,202 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:58,208 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:58,209 INFO  L82        PathProgramCache]: Analyzing trace with hash 2097278715, now seen corresponding path program 1 times
[2021-10-11 00:32:58,219 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:58,220 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764649002]
[2021-10-11 00:32:58,220 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:58,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:58,606 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 00:32:58,607 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764649002]
[2021-10-11 00:32:58,608 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:58,608 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:32:58,609 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415947322]
[2021-10-11 00:32:58,615 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:58,615 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:58,635 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:58,638 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:58,640 INFO  L87              Difference]: Start difference. First operand 890 states. Second operand 3 states.
[2021-10-11 00:32:58,739 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:58,739 INFO  L93              Difference]: Finished difference Result 770 states and 2434 transitions.
[2021-10-11 00:32:58,740 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:58,741 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2021-10-11 00:32:58,742 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:58,765 INFO  L225             Difference]: With dead ends: 770
[2021-10-11 00:32:58,765 INFO  L226             Difference]: Without dead ends: 650
[2021-10-11 00:32:58,767 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 00:32:58,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 650 states.
[2021-10-11 00:32:58,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650.
[2021-10-11 00:32:58,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 650 states.
[2021-10-11 00:32:58,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 2028 transitions.
[2021-10-11 00:32:58,870 INFO  L78                 Accepts]: Start accepts. Automaton has 650 states and 2028 transitions. Word has length 7
[2021-10-11 00:32:58,871 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:58,871 INFO  L481      AbstractCegarLoop]: Abstraction has 650 states and 2028 transitions.
[2021-10-11 00:32:58,871 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:58,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 650 states and 2028 transitions.
[2021-10-11 00:32:58,873 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-11 00:32:58,873 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:58,874 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:58,874 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:32:58,874 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:58,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:58,875 INFO  L82        PathProgramCache]: Analyzing trace with hash 1143497266, now seen corresponding path program 1 times
[2021-10-11 00:32:58,875 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:58,875 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620416226]
[2021-10-11 00:32:58,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:58,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:59,014 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 00:32:59,014 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620416226]
[2021-10-11 00:32:59,015 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:59,015 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:59,015 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778638242]
[2021-10-11 00:32:59,016 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:32:59,017 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:59,017 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:32:59,018 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:32:59,018 INFO  L87              Difference]: Start difference. First operand 650 states and 2028 transitions. Second operand 4 states.
[2021-10-11 00:32:59,113 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:59,114 INFO  L93              Difference]: Finished difference Result 1106 states and 3230 transitions.
[2021-10-11 00:32:59,114 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:32:59,114 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 10
[2021-10-11 00:32:59,115 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:59,129 INFO  L225             Difference]: With dead ends: 1106
[2021-10-11 00:32:59,129 INFO  L226             Difference]: Without dead ends: 894
[2021-10-11 00:32:59,130 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 00:32:59,136 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 894 states.
[2021-10-11 00:32:59,190 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 782.
[2021-10-11 00:32:59,190 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 782 states.
[2021-10-11 00:32:59,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 2368 transitions.
[2021-10-11 00:32:59,197 INFO  L78                 Accepts]: Start accepts. Automaton has 782 states and 2368 transitions. Word has length 10
[2021-10-11 00:32:59,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:59,198 INFO  L481      AbstractCegarLoop]: Abstraction has 782 states and 2368 transitions.
[2021-10-11 00:32:59,198 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:32:59,198 INFO  L276                IsEmpty]: Start isEmpty. Operand 782 states and 2368 transitions.
[2021-10-11 00:32:59,208 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:32:59,208 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:59,209 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:59,209 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:32:59,209 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:59,216 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:59,221 INFO  L82        PathProgramCache]: Analyzing trace with hash -1270015007, now seen corresponding path program 1 times
[2021-10-11 00:32:59,222 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:59,222 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649942584]
[2021-10-11 00:32:59,222 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:59,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:59,470 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 00:32:59,470 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649942584]
[2021-10-11 00:32:59,470 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:59,471 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:59,471 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20268629]
[2021-10-11 00:32:59,475 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:32:59,478 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:59,479 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:32:59,479 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:59,480 INFO  L87              Difference]: Start difference. First operand 782 states and 2368 transitions. Second operand 5 states.
[2021-10-11 00:32:59,599 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:59,599 INFO  L93              Difference]: Finished difference Result 926 states and 2668 transitions.
[2021-10-11 00:32:59,600 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:32:59,600 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2021-10-11 00:32:59,600 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:59,609 INFO  L225             Difference]: With dead ends: 926
[2021-10-11 00:32:59,609 INFO  L226             Difference]: Without dead ends: 798
[2021-10-11 00:32:59,609 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:32:59,614 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 798 states.
[2021-10-11 00:32:59,637 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 654.
[2021-10-11 00:32:59,637 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 654 states.
[2021-10-11 00:32:59,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1968 transitions.
[2021-10-11 00:32:59,642 INFO  L78                 Accepts]: Start accepts. Automaton has 654 states and 1968 transitions. Word has length 11
[2021-10-11 00:32:59,643 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:59,643 INFO  L481      AbstractCegarLoop]: Abstraction has 654 states and 1968 transitions.
[2021-10-11 00:32:59,643 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:32:59,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 654 states and 1968 transitions.
[2021-10-11 00:32:59,645 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:32:59,645 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:59,646 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:59,646 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:32:59,646 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:59,649 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:59,649 INFO  L82        PathProgramCache]: Analyzing trace with hash -611076849, now seen corresponding path program 1 times
[2021-10-11 00:32:59,650 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:59,650 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754592726]
[2021-10-11 00:32:59,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:59,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:59,765 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 00:32:59,765 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754592726]
[2021-10-11 00:32:59,765 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:59,766 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:59,766 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20124327]
[2021-10-11 00:32:59,766 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:32:59,766 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:59,767 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:32:59,767 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:59,767 INFO  L87              Difference]: Start difference. First operand 654 states and 1968 transitions. Second operand 5 states.
[2021-10-11 00:32:59,874 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:59,874 INFO  L93              Difference]: Finished difference Result 884 states and 2513 transitions.
[2021-10-11 00:32:59,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:32:59,875 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2021-10-11 00:32:59,875 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:59,882 INFO  L225             Difference]: With dead ends: 884
[2021-10-11 00:32:59,883 INFO  L226             Difference]: Without dead ends: 766
[2021-10-11 00:32:59,883 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:32:59,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 766 states.
[2021-10-11 00:32:59,911 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 638.
[2021-10-11 00:32:59,911 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 638 states.
[2021-10-11 00:32:59,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1908 transitions.
[2021-10-11 00:32:59,916 INFO  L78                 Accepts]: Start accepts. Automaton has 638 states and 1908 transitions. Word has length 12
[2021-10-11 00:32:59,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:59,917 INFO  L481      AbstractCegarLoop]: Abstraction has 638 states and 1908 transitions.
[2021-10-11 00:32:59,917 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:32:59,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 638 states and 1908 transitions.
[2021-10-11 00:32:59,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:32:59,919 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:59,919 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:59,919 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:32:59,919 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:59,920 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:59,920 INFO  L82        PathProgramCache]: Analyzing trace with hash -714031362, now seen corresponding path program 1 times
[2021-10-11 00:32:59,920 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:59,921 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137898506]
[2021-10-11 00:32:59,921 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:59,974 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,067 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 00:33:00,067 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137898506]
[2021-10-11 00:33:00,068 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,068 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:33:00,068 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333975847]
[2021-10-11 00:33:00,069 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:33:00,069 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,070 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:33:00,071 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:33:00,072 INFO  L87              Difference]: Start difference. First operand 638 states and 1908 transitions. Second operand 4 states.
[2021-10-11 00:33:00,107 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,107 INFO  L93              Difference]: Finished difference Result 662 states and 1930 transitions.
[2021-10-11 00:33:00,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:33:00,108 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2021-10-11 00:33:00,108 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,113 INFO  L225             Difference]: With dead ends: 662
[2021-10-11 00:33:00,113 INFO  L226             Difference]: Without dead ends: 590
[2021-10-11 00:33:00,114 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 00:33:00,117 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 590 states.
[2021-10-11 00:33:00,131 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 542.
[2021-10-11 00:33:00,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 542 states.
[2021-10-11 00:33:00,135 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 1604 transitions.
[2021-10-11 00:33:00,135 INFO  L78                 Accepts]: Start accepts. Automaton has 542 states and 1604 transitions. Word has length 13
[2021-10-11 00:33:00,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,137 INFO  L481      AbstractCegarLoop]: Abstraction has 542 states and 1604 transitions.
[2021-10-11 00:33:00,137 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:33:00,137 INFO  L276                IsEmpty]: Start isEmpty. Operand 542 states and 1604 transitions.
[2021-10-11 00:33:00,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-11 00:33:00,138 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,139 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:00,139 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:33:00,139 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,139 INFO  L82        PathProgramCache]: Analyzing trace with hash -756153633, now seen corresponding path program 1 times
[2021-10-11 00:33:00,139 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,140 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438062043]
[2021-10-11 00:33:00,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,221 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 00:33:00,222 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438062043]
[2021-10-11 00:33:00,222 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,222 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:33:00,222 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545243927]
[2021-10-11 00:33:00,222 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:33:00,223 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,223 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:33:00,223 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:33:00,223 INFO  L87              Difference]: Start difference. First operand 542 states and 1604 transitions. Second operand 4 states.
[2021-10-11 00:33:00,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,261 INFO  L93              Difference]: Finished difference Result 510 states and 1322 transitions.
[2021-10-11 00:33:00,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:33:00,261 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2021-10-11 00:33:00,262 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,264 INFO  L225             Difference]: With dead ends: 510
[2021-10-11 00:33:00,265 INFO  L226             Difference]: Without dead ends: 378
[2021-10-11 00:33:00,265 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 00:33:00,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 378 states.
[2021-10-11 00:33:00,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378.
[2021-10-11 00:33:00,277 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 378 states.
[2021-10-11 00:33:00,279 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 952 transitions.
[2021-10-11 00:33:00,279 INFO  L78                 Accepts]: Start accepts. Automaton has 378 states and 952 transitions. Word has length 14
[2021-10-11 00:33:00,279 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,279 INFO  L481      AbstractCegarLoop]: Abstraction has 378 states and 952 transitions.
[2021-10-11 00:33:00,280 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:33:00,280 INFO  L276                IsEmpty]: Start isEmpty. Operand 378 states and 952 transitions.
[2021-10-11 00:33:00,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-10-11 00:33:00,281 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,281 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:00,281 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:33:00,281 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,281 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,281 INFO  L82        PathProgramCache]: Analyzing trace with hash -1215843343, now seen corresponding path program 1 times
[2021-10-11 00:33:00,282 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,282 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885128738]
[2021-10-11 00:33:00,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,361 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 00:33:00,361 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885128738]
[2021-10-11 00:33:00,361 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,362 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:33:00,362 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081792296]
[2021-10-11 00:33:00,362 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:33:00,362 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,363 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:33:00,363 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:33:00,363 INFO  L87              Difference]: Start difference. First operand 378 states and 952 transitions. Second operand 5 states.
[2021-10-11 00:33:00,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,409 INFO  L93              Difference]: Finished difference Result 298 states and 683 transitions.
[2021-10-11 00:33:00,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-11 00:33:00,410 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 16
[2021-10-11 00:33:00,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,412 INFO  L225             Difference]: With dead ends: 298
[2021-10-11 00:33:00,412 INFO  L226             Difference]: Without dead ends: 230
[2021-10-11 00:33:00,412 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:33:00,413 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 230 states.
[2021-10-11 00:33:00,418 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228.
[2021-10-11 00:33:00,418 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 228 states.
[2021-10-11 00:33:00,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 509 transitions.
[2021-10-11 00:33:00,420 INFO  L78                 Accepts]: Start accepts. Automaton has 228 states and 509 transitions. Word has length 16
[2021-10-11 00:33:00,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,420 INFO  L481      AbstractCegarLoop]: Abstraction has 228 states and 509 transitions.
[2021-10-11 00:33:00,420 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:33:00,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 228 states and 509 transitions.
[2021-10-11 00:33:00,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:33:00,421 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,421 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 00:33:00,422 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:33:00,422 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,422 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,422 INFO  L82        PathProgramCache]: Analyzing trace with hash 1863855545, now seen corresponding path program 1 times
[2021-10-11 00:33:00,422 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,423 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966448623]
[2021-10-11 00:33:00,423 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,508 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 00:33:00,508 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966448623]
[2021-10-11 00:33:00,509 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,509 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:33:00,509 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918379249]
[2021-10-11 00:33:00,509 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:33:00,509 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,510 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:33:00,510 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:33:00,510 INFO  L87              Difference]: Start difference. First operand 228 states and 509 transitions. Second operand 5 states.
[2021-10-11 00:33:00,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,547 INFO  L93              Difference]: Finished difference Result 323 states and 700 transitions.
[2021-10-11 00:33:00,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:33:00,547 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2021-10-11 00:33:00,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,549 INFO  L225             Difference]: With dead ends: 323
[2021-10-11 00:33:00,549 INFO  L226             Difference]: Without dead ends: 218
[2021-10-11 00:33:00,549 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:33:00,550 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2021-10-11 00:33:00,554 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214.
[2021-10-11 00:33:00,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 214 states.
[2021-10-11 00:33:00,556 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 454 transitions.
[2021-10-11 00:33:00,556 INFO  L78                 Accepts]: Start accepts. Automaton has 214 states and 454 transitions. Word has length 19
[2021-10-11 00:33:00,556 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,556 INFO  L481      AbstractCegarLoop]: Abstraction has 214 states and 454 transitions.
[2021-10-11 00:33:00,556 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:33:00,556 INFO  L276                IsEmpty]: Start isEmpty. Operand 214 states and 454 transitions.
[2021-10-11 00:33:00,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-11 00:33:00,557 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,557 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 00:33:00,557 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-11 00:33:00,558 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,558 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,558 INFO  L82        PathProgramCache]: Analyzing trace with hash 1215383528, now seen corresponding path program 1 times
[2021-10-11 00:33:00,558 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,558 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816028155]
[2021-10-11 00:33:00,559 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,657 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 00:33:00,657 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816028155]
[2021-10-11 00:33:00,657 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,657 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:33:00,658 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942315456]
[2021-10-11 00:33:00,658 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-10-11 00:33:00,658 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,659 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-11 00:33:00,659 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:33:00,659 INFO  L87              Difference]: Start difference. First operand 214 states and 454 transitions. Second operand 6 states.
[2021-10-11 00:33:00,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,719 INFO  L93              Difference]: Finished difference Result 187 states and 399 transitions.
[2021-10-11 00:33:00,720 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:33:00,720 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2021-10-11 00:33:00,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,721 INFO  L225             Difference]: With dead ends: 187
[2021-10-11 00:33:00,721 INFO  L226             Difference]: Without dead ends: 110
[2021-10-11 00:33:00,722 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:33:00,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2021-10-11 00:33:00,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110.
[2021-10-11 00:33:00,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 110 states.
[2021-10-11 00:33:00,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 224 transitions.
[2021-10-11 00:33:00,727 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 224 transitions. Word has length 19
[2021-10-11 00:33:00,727 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,727 INFO  L481      AbstractCegarLoop]: Abstraction has 110 states and 224 transitions.
[2021-10-11 00:33:00,727 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2021-10-11 00:33:00,727 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 224 transitions.
[2021-10-11 00:33:00,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-10-11 00:33:00,728 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,728 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:00,729 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-11 00:33:00,729 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,729 INFO  L82        PathProgramCache]: Analyzing trace with hash -578203748, now seen corresponding path program 1 times
[2021-10-11 00:33:00,730 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,730 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561118046]
[2021-10-11 00:33:00,730 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:00,843 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 00:33:00,843 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561118046]
[2021-10-11 00:33:00,844 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:00,844 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:33:00,844 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140928275]
[2021-10-11 00:33:00,844 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:33:00,845 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:00,845 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:33:00,845 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:33:00,846 INFO  L87              Difference]: Start difference. First operand 110 states and 224 transitions. Second operand 5 states.
[2021-10-11 00:33:00,876 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:00,877 INFO  L93              Difference]: Finished difference Result 146 states and 291 transitions.
[2021-10-11 00:33:00,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:33:00,877 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 22
[2021-10-11 00:33:00,878 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:00,878 INFO  L225             Difference]: With dead ends: 146
[2021-10-11 00:33:00,878 INFO  L226             Difference]: Without dead ends: 49
[2021-10-11 00:33:00,879 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:33:00,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2021-10-11 00:33:00,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2021-10-11 00:33:00,881 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 49 states.
[2021-10-11 00:33:00,881 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 82 transitions.
[2021-10-11 00:33:00,881 INFO  L78                 Accepts]: Start accepts. Automaton has 49 states and 82 transitions. Word has length 22
[2021-10-11 00:33:00,883 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:00,884 INFO  L481      AbstractCegarLoop]: Abstraction has 49 states and 82 transitions.
[2021-10-11 00:33:00,884 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:33:00,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions.
[2021-10-11 00:33:00,884 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-10-11 00:33:00,885 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:00,885 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:00,885 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-11 00:33:00,885 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:00,886 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:00,886 INFO  L82        PathProgramCache]: Analyzing trace with hash -804374690, now seen corresponding path program 2 times
[2021-10-11 00:33:00,886 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:00,886 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302819372]
[2021-10-11 00:33:00,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:00,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:33:01,124 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 00:33:01,124 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302819372]
[2021-10-11 00:33:01,125 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:33:01,125 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:33:01,125 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312888997]
[2021-10-11 00:33:01,125 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-10-11 00:33:01,126 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:33:01,127 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-11 00:33:01,128 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:33:01,128 INFO  L87              Difference]: Start difference. First operand 49 states and 82 transitions. Second operand 7 states.
[2021-10-11 00:33:01,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:33:01,239 INFO  L93              Difference]: Finished difference Result 60 states and 97 transitions.
[2021-10-11 00:33:01,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-11 00:33:01,240 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 22
[2021-10-11 00:33:01,240 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:33:01,241 INFO  L225             Difference]: With dead ends: 60
[2021-10-11 00:33:01,241 INFO  L226             Difference]: Without dead ends: 33
[2021-10-11 00:33:01,241 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2021-10-11 00:33:01,242 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2021-10-11 00:33:01,243 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2021-10-11 00:33:01,243 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2021-10-11 00:33:01,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions.
[2021-10-11 00:33:01,244 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 22
[2021-10-11 00:33:01,244 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:33:01,244 INFO  L481      AbstractCegarLoop]: Abstraction has 33 states and 44 transitions.
[2021-10-11 00:33:01,244 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-10-11 00:33:01,244 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions.
[2021-10-11 00:33:01,245 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-10-11 00:33:01,245 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:33:01,245 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:33:01,245 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-11 00:33:01,246 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:33:01,246 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:33:01,246 INFO  L82        PathProgramCache]: Analyzing trace with hash 292813918, now seen corresponding path program 3 times
[2021-10-11 00:33:01,246 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:33:01,247 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703027482]
[2021-10-11 00:33:01,247 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:33:01,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:33:01,303 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:33:01,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:33:01,381 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:33:01,442 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:33:01,443 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:33:01,443 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-11 00:33:01,581 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:01 BasicIcfg
[2021-10-11 00:33:01,581 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:33:01,581 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:33:01,581 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:33:01,581 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:33:01,582 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:49" (3/4) ...
[2021-10-11 00:33:01,583 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:33:01,687 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c292d2f9-20e7-4b44-92c8-984899ec628f/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:33:01,687 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:33:01,688 INFO  L168              Benchmark]: Toolchain (without parser) took 14742.23 ms. Allocated memory was 109.1 MB in the beginning and 249.6 MB in the end (delta: 140.5 MB). Free memory was 77.1 MB in the beginning and 139.3 MB in the end (delta: -62.1 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,689 INFO  L168              Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 33.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,689 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 843.69 ms. Allocated memory is still 109.1 MB. Free memory was 76.9 MB in the beginning and 63.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,690 INFO  L168              Benchmark]: Boogie Procedure Inliner took 95.27 ms. Allocated memory is still 109.1 MB. Free memory was 63.5 MB in the beginning and 61.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,690 INFO  L168              Benchmark]: Boogie Preprocessor took 32.98 ms. Allocated memory is still 109.1 MB. Free memory was 61.0 MB in the beginning and 58.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,691 INFO  L168              Benchmark]: RCFGBuilder took 2053.37 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 58.9 MB in the beginning and 61.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,691 INFO  L168              Benchmark]: TraceAbstraction took 11600.90 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 61.7 MB in the beginning and 156.1 MB in the end (delta: -94.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,692 INFO  L168              Benchmark]: Witness Printer took 106.17 ms. Allocated memory is still 249.6 MB. Free memory was 156.1 MB in the beginning and 139.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:33:01,694 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 33.7 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 843.69 ms. Allocated memory is still 109.1 MB. Free memory was 76.9 MB in the beginning and 63.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 95.27 ms. Allocated memory is still 109.1 MB. Free memory was 63.5 MB in the beginning and 61.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 32.98 ms. Allocated memory is still 109.1 MB. Free memory was 61.0 MB in the beginning and 58.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 2053.37 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 58.9 MB in the beginning and 61.7 MB in the end (delta: -2.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 11600.90 ms. Allocated memory was 138.4 MB in the beginning and 249.6 MB in the end (delta: 111.1 MB). Free memory was 61.7 MB in the beginning and 156.1 MB in the end (delta: -94.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
 * Witness Printer took 106.17 ms. Allocated memory is still 249.6 MB. Free memory was 156.1 MB in the beginning and 139.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    1182 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 143 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.8s, 112 PlacesBefore, 37 PlacesAfterwards, 104 TransitionsBefore, 28 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 4594 MoverChecksTotal
  - CounterExampleResult [Line: 18]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L709]               0  int __unbuffered_cnt = 0;
[L711]               0  int __unbuffered_p1_EAX = 0;
[L713]               0  int __unbuffered_p1_EBX = 0;
[L715]               0  int __unbuffered_p2_EAX = 0;
[L717]               0  int __unbuffered_p2_EBX = 0;
[L719]               0  int a = 0;
[L721]               0  int b = 0;
[L722]               0  _Bool main$tmp_guard0;
[L723]               0  _Bool main$tmp_guard1;
[L725]               0  int x = 0;
[L727]               0  int y = 0;
[L729]               0  int z = 0;
[L730]               0  _Bool z$flush_delayed;
[L731]               0  int z$mem_tmp;
[L732]               0  _Bool z$r_buff0_thd0;
[L733]               0  _Bool z$r_buff0_thd1;
[L734]               0  _Bool z$r_buff0_thd2;
[L735]               0  _Bool z$r_buff0_thd3;
[L736]               0  _Bool z$r_buff1_thd0;
[L737]               0  _Bool z$r_buff1_thd1;
[L738]               0  _Bool z$r_buff1_thd2;
[L739]               0  _Bool z$r_buff1_thd3;
[L740]               0  _Bool z$read_delayed;
[L741]               0  int *z$read_delayed_var;
[L742]               0  int z$w_buff0;
[L743]               0  _Bool z$w_buff0_used;
[L744]               0  int z$w_buff1;
[L745]               0  _Bool z$w_buff1_used;
[L746]               0  _Bool weak$$choice0;
[L747]               0  _Bool weak$$choice2;
[L843]               0  pthread_t t894;
[L844]  FCALL, FORK  0  pthread_create(&t894, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L845]               0  pthread_t t895;
[L846]  FCALL, FORK  0  pthread_create(&t895, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L847]               0  pthread_t t896;
[L848]  FCALL, FORK  0  pthread_create(&t896, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]
[L800]               3  z$w_buff1 = z$w_buff0
[L801]               3  z$w_buff0 = 1
[L802]               3  z$w_buff1_used = z$w_buff0_used
[L803]               3  z$w_buff0_used = (_Bool)1
[L18]   COND FALSE   3  !(!expression)
[L805]               3  z$r_buff1_thd0 = z$r_buff0_thd0
[L806]               3  z$r_buff1_thd1 = z$r_buff0_thd1
[L807]               3  z$r_buff1_thd2 = z$r_buff0_thd2
[L808]               3  z$r_buff1_thd3 = z$r_buff0_thd3
[L809]               3  z$r_buff0_thd3 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L812]               3  a = 1
[L815]               3  __unbuffered_p2_EAX = a
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L818]               3  __unbuffered_p2_EBX = b
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L751]               1  b = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L754]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L759]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L761]               1  return 0;
[L766]               2  x = 2
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L769]               2  y = 1
[L772]               2  __unbuffered_p1_EAX = y
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L775]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L776]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L777]               2  z$flush_delayed = weak$$choice2
[L778]               2  z$mem_tmp = z
[L779]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1)
[L779]               2  z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1)
[L780]  EXPR         2  weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L780]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)
[L780]  EXPR         2  weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L780]               2  z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0))
[L781]  EXPR         2  weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L781]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)
[L781]  EXPR         2  weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L781]               2  z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1))
[L782]  EXPR         2  weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L782]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)
[L782]  EXPR         2  weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L782]               2  z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used))
[L783]  EXPR         2  weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L783]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)
[L783]  EXPR         2  weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L783]               2  z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L784]  EXPR         2  weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L784]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)
[L784]  EXPR         2  weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L784]               2  z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2))
[L785]  EXPR         2  weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L785]  EXPR         2  !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)
[L785]  EXPR         2  weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L785]               2  z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L786]               2  __unbuffered_p1_EBX = z
[L787]  EXPR         2  z$flush_delayed ? z$mem_tmp : z
[L787]               2  z = z$flush_delayed ? z$mem_tmp : z
[L788]               2  z$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0]
[L793]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L795]               2  return 0;
[L821]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z)
[L821]               3  z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z)
[L822]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used
[L822]               3  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used
[L823]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used
[L823]               3  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used
[L824]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3
[L824]               3  z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3
[L825]  EXPR         3  z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3
[L825]               3  z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3
[L828]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L830]               3  return 0;
[L850]               0  main$tmp_guard0 = __unbuffered_cnt == 3
[L3]    COND FALSE   0  !(!cond)
[L854]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L854]  EXPR         0  z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z
[L854]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L854]               0  z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L855]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L855]               0  z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L856]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L856]               0  z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L857]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L857]               0  z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L858]  EXPR         0  z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
[L858]               0  z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
[L861]               0  main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0)
[L18]   COND TRUE    0  !expression
[L18]                0  reach_error()
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 103 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, HoareTripleCheckerStatistics: 355 SDtfs, 342 SDslu, 636 SDs, 0 SdLazy, 216 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 438 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 11272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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!
Received shutdown request...