./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:42:32,607 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:42:32,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:42:32,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:42:32,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:42:32,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:42:32,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:42:32,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:42:32,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:42:32,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:42:32,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:42:32,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:42:32,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:42:32,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:42:32,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:42:32,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:42:32,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:42:32,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:42:32,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:42:32,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:42:32,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:42:32,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:42:32,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:42:32,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:42:32,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:42:32,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:42:32,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:42:32,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:42:32,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:42:32,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:42:32,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:42:32,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:42:32,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:42:32,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:42:32,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:42:32,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:42:32,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:42:32,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:42:32,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:42:32,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:42:32,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:42:32,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2021-11-13 18:42:32,828 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:42:32,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:42:32,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:42:32,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:42:32,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:42:32,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:42:32,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:42:32,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:42:32,837 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:42:32,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:42:32,839 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:42:32,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:42:32,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:42:32,840 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:42:32,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:42:32,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:42:32,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:42:32,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:42:32,841 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2021-11-13 18:42:32,841 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:42:32,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:42:32,842 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:42:32,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:42:32,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:42:32,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:42:32,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:42:32,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:42:32,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:42:32,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:42:32,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:42:32,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:42:32,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:42:32,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:42:32,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:42:32,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:42:32,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:42:32,848 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_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f
[2021-11-13 18:42:33,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:42:33,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:42:33,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:42:33,218 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:42:33,219 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:42:33,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i
[2021-11-13 18:42:33,294 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/data/03945248a/88881bc3a7ca4aae94532969ae467aa8/FLAGd3a1309c3
[2021-11-13 18:42:34,131 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:42:34,132 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i
[2021-11-13 18:42:34,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/data/03945248a/88881bc3a7ca4aae94532969ae467aa8/FLAGd3a1309c3
[2021-11-13 18:42:34,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/data/03945248a/88881bc3a7ca4aae94532969ae467aa8
[2021-11-13 18:42:34,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:42:34,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:42:34,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:42:34,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:42:34,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:42:34,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:42:34" (1/1) ...
[2021-11-13 18:42:34,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab889f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:34, skipping insertion in model container
[2021-11-13 18:42:34,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:42:34" (1/1) ...
[2021-11-13 18:42:34,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:42:34,426 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:42:35,032 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:42:35,055 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:42:35,134 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:42:35,217 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:42:35,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35 WrapperNode
[2021-11-13 18:42:35,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:42:35,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:42:35,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:42:35,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:42:35,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:42:35,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:42:35,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:42:35,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:42:35,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:42:35,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:42:35,406 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:42:35,406 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:42:35,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (1/1) ...
[2021-11-13 18:42:35,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:42:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:42:35,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:42:35,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:42:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:42:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:42:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:42:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:42:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2021-11-13 18:42:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2021-11-13 18:42:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2021-11-13 18:42:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:42:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:42:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:42:35,529 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-13 18:42:36,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:42:36,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-13 18:42:36,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:42:36 BoogieIcfgContainer
[2021-11-13 18:42:36,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:42:36,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:42:36,036 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:42:36,040 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:42:36,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:42:34" (1/3) ...
[2021-11-13 18:42:36,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:42:36, skipping insertion in model container
[2021-11-13 18:42:36,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:42:35" (2/3) ...
[2021-11-13 18:42:36,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f17562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:42:36, skipping insertion in model container
[2021-11-13 18:42:36,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:42:36" (3/3) ...
[2021-11-13 18:42:36,044 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i
[2021-11-13 18:42:36,051 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-13 18:42:36,052 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:42:36,052 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2021-11-13 18:42:36,052 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-13 18:42:36,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,090 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,093 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,095 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,095 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,102 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,103 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,104 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,104 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,104 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,105 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,106 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,107 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,108 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,109 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,109 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,109 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,110 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,110 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,111 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,111 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,112 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,112 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,113 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,113 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,113 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,113 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,114 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,114 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,114 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,114 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,115 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,115 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,115 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,116 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,116 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,116 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,117 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,117 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,117 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,118 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,118 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,118 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,118 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,119 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,119 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,120 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,127 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,127 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,128 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,128 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-13 18:42:36,133 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2021-11-13 18:42:36,199 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:42:36,207 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:42:36,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2021-11-13 18:42:36,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 202 flow
[2021-11-13 18:42:36,268 INFO L129 PetriNetUnfolder]: 0/96 cut-off events.
[2021-11-13 18:42:36,269 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-11-13 18:42:36,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 0/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place.
[2021-11-13 18:42:36,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 97 transitions, 202 flow
[2021-11-13 18:42:36,276 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 86 transitions, 175 flow
[2021-11-13 18:42:36,292 INFO L129 PetriNetUnfolder]: 0/48 cut-off events.
[2021-11-13 18:42:36,292 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-11-13 18:42:36,292 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:36,293 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:36,293 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:36,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1096582921, now seen corresponding path program 1 times
[2021-11-13 18:42:36,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:36,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055472023]
[2021-11-13 18:42:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:36,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:36,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:36,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055472023]
[2021-11-13 18:42:36,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055472023] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:36,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:36,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:42:36,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579982597]
[2021-11-13 18:42:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:36,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:42:36,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:36,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:42:36,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:42:36,674 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 97
[2021-11-13 18:42:36,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:36,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:36,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 97
[2021-11-13 18:42:36,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:37,083 INFO L129 PetriNetUnfolder]: 263/774 cut-off events.
[2021-11-13 18:42:37,084 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2021-11-13 18:42:37,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 774 events. 263/774 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4096 event pairs, 158 based on Foata normal form. 0/693 useless extension candidates. Maximal degree in co-relation 1309. Up to 436 conditions per place.
[2021-11-13 18:42:37,102 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 67 selfloop transitions, 22 changer transitions 0/140 dead transitions.
[2021-11-13 18:42:37,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 140 transitions, 461 flow
[2021-11-13 18:42:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:42:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 18:42:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 444 transitions.
[2021-11-13 18:42:37,126 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7628865979381443
[2021-11-13 18:42:37,126 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 444 transitions.
[2021-11-13 18:42:37,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 444 transitions.
[2021-11-13 18:42:37,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:37,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 444 transitions.
[2021-11-13 18:42:37,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,159 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,161 INFO L186 Difference]: Start difference. First operand has 90 places, 86 transitions, 175 flow. Second operand 6 states and 444 transitions.
[2021-11-13 18:42:37,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 140 transitions, 461 flow
[2021-11-13 18:42:37,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 140 transitions, 460 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 18:42:37,178 INFO L242 Difference]: Finished difference. Result has 99 places, 107 transitions, 324 flow
[2021-11-13 18:42:37,181 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=99, PETRI_TRANSITIONS=107}
[2021-11-13 18:42:37,185 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 9 predicate places.
[2021-11-13 18:42:37,186 INFO L470 AbstractCegarLoop]: Abstraction has has 99 places, 107 transitions, 324 flow
[2021-11-13 18:42:37,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,187 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:37,187 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:37,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:42:37,188 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:37,189 INFO L85 PathProgramCache]: Analyzing trace with hash -75234838, now seen corresponding path program 1 times
[2021-11-13 18:42:37,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:37,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322021275]
[2021-11-13 18:42:37,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:37,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:37,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:37,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322021275]
[2021-11-13 18:42:37,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322021275] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:37,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:37,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:42:37,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802895972]
[2021-11-13 18:42:37,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:37,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:42:37,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:37,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:42:37,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:42:37,435 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97
[2021-11-13 18:42:37,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:37,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97
[2021-11-13 18:42:37,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:37,917 INFO L129 PetriNetUnfolder]: 345/995 cut-off events.
[2021-11-13 18:42:37,917 INFO L130 PetriNetUnfolder]: For 273/281 co-relation queries the response was YES.
[2021-11-13 18:42:37,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2068 conditions, 995 events. 345/995 cut-off events. For 273/281 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5733 event pairs, 126 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 2029. Up to 538 conditions per place.
[2021-11-13 18:42:37,927 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 103 selfloop transitions, 26 changer transitions 0/181 dead transitions.
[2021-11-13 18:42:37,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 181 transitions, 820 flow
[2021-11-13 18:42:37,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:42:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 18:42:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions.
[2021-11-13 18:42:37,935 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8264604810996563
[2021-11-13 18:42:37,935 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 481 transitions.
[2021-11-13 18:42:37,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 481 transitions.
[2021-11-13 18:42:37,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:37,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 481 transitions.
[2021-11-13 18:42:37,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,963 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,963 INFO L186 Difference]: Start difference. First operand has 99 places, 107 transitions, 324 flow. Second operand 6 states and 481 transitions.
[2021-11-13 18:42:37,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 181 transitions, 820 flow
[2021-11-13 18:42:37,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 181 transitions, 820 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-11-13 18:42:37,979 INFO L242 Difference]: Finished difference. Result has 109 places, 128 transitions, 508 flow
[2021-11-13 18:42:37,982 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=508, PETRI_PLACES=109, PETRI_TRANSITIONS=128}
[2021-11-13 18:42:37,983 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 19 predicate places.
[2021-11-13 18:42:37,984 INFO L470 AbstractCegarLoop]: Abstraction has has 109 places, 128 transitions, 508 flow
[2021-11-13 18:42:37,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:37,984 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:37,985 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:37,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:42:37,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:37,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash -999688849, now seen corresponding path program 1 times
[2021-11-13 18:42:37,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:37,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15755682]
[2021-11-13 18:42:37,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:37,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:38,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:38,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15755682]
[2021-11-13 18:42:38,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15755682] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:38,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:38,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:42:38,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539421220]
[2021-11-13 18:42:38,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:38,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:42:38,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:38,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:42:38,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:42:38,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 97
[2021-11-13 18:42:38,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 128 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:38,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:38,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 97
[2021-11-13 18:42:38,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:38,759 INFO L129 PetriNetUnfolder]: 485/1315 cut-off events.
[2021-11-13 18:42:38,759 INFO L130 PetriNetUnfolder]: For 772/785 co-relation queries the response was YES.
[2021-11-13 18:42:38,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3236 conditions, 1315 events. 485/1315 cut-off events. For 772/785 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 7881 event pairs, 179 based on Foata normal form. 4/1223 useless extension candidates. Maximal degree in co-relation 3192. Up to 860 conditions per place.
[2021-11-13 18:42:38,778 INFO L132 encePairwiseOnDemand]: 78/97 looper letters, 93 selfloop transitions, 69 changer transitions 4/216 dead transitions.
[2021-11-13 18:42:38,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 216 transitions, 1168 flow
[2021-11-13 18:42:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:42:38,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 18:42:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 474 transitions.
[2021-11-13 18:42:38,782 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8144329896907216
[2021-11-13 18:42:38,783 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 474 transitions.
[2021-11-13 18:42:38,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 474 transitions.
[2021-11-13 18:42:38,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:38,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 474 transitions.
[2021-11-13 18:42:38,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.0) internal successors, (474), 6 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:38,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:38,791 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:38,791 INFO L186 Difference]: Start difference. First operand has 109 places, 128 transitions, 508 flow. Second operand 6 states and 474 transitions.
[2021-11-13 18:42:38,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 216 transitions, 1168 flow
[2021-11-13 18:42:38,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 216 transitions, 1168 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-11-13 18:42:38,818 INFO L242 Difference]: Finished difference. Result has 119 places, 191 transitions, 1086 flow
[2021-11-13 18:42:38,818 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1086, PETRI_PLACES=119, PETRI_TRANSITIONS=191}
[2021-11-13 18:42:38,821 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 29 predicate places.
[2021-11-13 18:42:38,822 INFO L470 AbstractCegarLoop]: Abstraction has has 119 places, 191 transitions, 1086 flow
[2021-11-13 18:42:38,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:38,823 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:38,823 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:38,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:42:38,825 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:38,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:38,829 INFO L85 PathProgramCache]: Analyzing trace with hash 135309586, now seen corresponding path program 1 times
[2021-11-13 18:42:38,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:38,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633935528]
[2021-11-13 18:42:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:38,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:39,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:39,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633935528]
[2021-11-13 18:42:39,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633935528] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:39,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:39,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:42:39,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790223518]
[2021-11-13 18:42:39,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:39,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:42:39,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:39,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:42:39,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:42:39,057 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 97
[2021-11-13 18:42:39,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 191 transitions, 1086 flow. Second operand has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:39,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 97
[2021-11-13 18:42:39,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:39,716 INFO L129 PetriNetUnfolder]: 525/1407 cut-off events.
[2021-11-13 18:42:39,717 INFO L130 PetriNetUnfolder]: For 1807/1823 co-relation queries the response was YES.
[2021-11-13 18:42:39,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4443 conditions, 1407 events. 525/1407 cut-off events. For 1807/1823 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 8704 event pairs, 135 based on Foata normal form. 0/1352 useless extension candidates. Maximal degree in co-relation 4392. Up to 955 conditions per place.
[2021-11-13 18:42:39,771 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 145 selfloop transitions, 67 changer transitions 0/262 dead transitions.
[2021-11-13 18:42:39,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 262 transitions, 1936 flow
[2021-11-13 18:42:39,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:42:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 18:42:39,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 433 transitions.
[2021-11-13 18:42:39,774 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7439862542955327
[2021-11-13 18:42:39,775 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 433 transitions.
[2021-11-13 18:42:39,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 433 transitions.
[2021-11-13 18:42:39,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:39,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 433 transitions.
[2021-11-13 18:42:39,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,782 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,782 INFO L186 Difference]: Start difference. First operand has 119 places, 191 transitions, 1086 flow. Second operand 6 states and 433 transitions.
[2021-11-13 18:42:39,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 262 transitions, 1936 flow
[2021-11-13 18:42:39,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 262 transitions, 1880 flow, removed 28 selfloop flow, removed 0 redundant places.
[2021-11-13 18:42:39,815 INFO L242 Difference]: Finished difference. Result has 129 places, 244 transitions, 1690 flow
[2021-11-13 18:42:39,816 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1690, PETRI_PLACES=129, PETRI_TRANSITIONS=244}
[2021-11-13 18:42:39,818 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 39 predicate places.
[2021-11-13 18:42:39,818 INFO L470 AbstractCegarLoop]: Abstraction has has 129 places, 244 transitions, 1690 flow
[2021-11-13 18:42:39,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,819 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:39,819 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:39,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:42:39,821 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:39,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:39,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1241412555, now seen corresponding path program 1 times
[2021-11-13 18:42:39,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:39,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54329409]
[2021-11-13 18:42:39,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:39,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:39,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:39,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54329409]
[2021-11-13 18:42:39,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54329409] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:39,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:39,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:42:39,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564924404]
[2021-11-13 18:42:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:39,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:42:39,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:39,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:42:39,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:42:39,903 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 97
[2021-11-13 18:42:39,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 244 transitions, 1690 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,903 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:39,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 97
[2021-11-13 18:42:39,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:39,966 INFO L129 PetriNetUnfolder]: 40/236 cut-off events.
[2021-11-13 18:42:39,966 INFO L130 PetriNetUnfolder]: For 198/198 co-relation queries the response was YES.
[2021-11-13 18:42:39,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 236 events. 40/236 cut-off events. For 198/198 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 666 event pairs, 5 based on Foata normal form. 2/226 useless extension candidates. Maximal degree in co-relation 554. Up to 64 conditions per place.
[2021-11-13 18:42:39,968 INFO L132 encePairwiseOnDemand]: 93/97 looper letters, 7 selfloop transitions, 4 changer transitions 0/104 dead transitions.
[2021-11-13 18:42:39,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 104 transitions, 466 flow
[2021-11-13 18:42:39,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:42:39,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-11-13 18:42:39,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions.
[2021-11-13 18:42:39,970 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9209621993127147
[2021-11-13 18:42:39,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions.
[2021-11-13 18:42:39,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions.
[2021-11-13 18:42:39,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:39,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions.
[2021-11-13 18:42:39,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,974 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,974 INFO L186 Difference]: Start difference. First operand has 129 places, 244 transitions, 1690 flow. Second operand 3 states and 268 transitions.
[2021-11-13 18:42:39,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 104 transitions, 466 flow
[2021-11-13 18:42:39,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 104 transitions, 340 flow, removed 33 selfloop flow, removed 30 redundant places.
[2021-11-13 18:42:39,979 INFO L242 Difference]: Finished difference. Result has 98 places, 104 transitions, 326 flow
[2021-11-13 18:42:39,980 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=98, PETRI_TRANSITIONS=104}
[2021-11-13 18:42:39,982 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 8 predicate places.
[2021-11-13 18:42:39,983 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 104 transitions, 326 flow
[2021-11-13 18:42:39,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:39,983 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:39,983 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:39,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:42:39,984 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:39,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1967552858, now seen corresponding path program 1 times
[2021-11-13 18:42:39,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:39,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607740495]
[2021-11-13 18:42:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:39,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:40,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:40,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607740495]
[2021-11-13 18:42:40,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607740495] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:40,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:40,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:42:40,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28594215]
[2021-11-13 18:42:40,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:40,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:42:40,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:40,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:42:40,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:42:40,130 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 97
[2021-11-13 18:42:40,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 104 transitions, 326 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:40,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 97
[2021-11-13 18:42:40,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:40,481 INFO L129 PetriNetUnfolder]: 119/426 cut-off events.
[2021-11-13 18:42:40,482 INFO L130 PetriNetUnfolder]: For 125/129 co-relation queries the response was YES.
[2021-11-13 18:42:40,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1048 conditions, 426 events. 119/426 cut-off events. For 125/129 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1683 event pairs, 17 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 1005. Up to 187 conditions per place.
[2021-11-13 18:42:40,485 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 71 selfloop transitions, 25 changer transitions 11/159 dead transitions.
[2021-11-13 18:42:40,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 159 transitions, 746 flow
[2021-11-13 18:42:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:42:40,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2021-11-13 18:42:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 435 transitions.
[2021-11-13 18:42:40,488 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7474226804123711
[2021-11-13 18:42:40,488 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 435 transitions.
[2021-11-13 18:42:40,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 435 transitions.
[2021-11-13 18:42:40,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:40,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 435 transitions.
[2021-11-13 18:42:40,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.5) internal successors, (435), 6 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,492 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 97.0) internal successors, (679), 7 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,492 INFO L186 Difference]: Start difference. First operand has 98 places, 104 transitions, 326 flow. Second operand 6 states and 435 transitions.
[2021-11-13 18:42:40,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 159 transitions, 746 flow
[2021-11-13 18:42:40,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 159 transitions, 742 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-11-13 18:42:40,503 INFO L242 Difference]: Finished difference. Result has 107 places, 124 transitions, 538 flow
[2021-11-13 18:42:40,504 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=538, PETRI_PLACES=107, PETRI_TRANSITIONS=124}
[2021-11-13 18:42:40,507 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 17 predicate places.
[2021-11-13 18:42:40,507 INFO L470 AbstractCegarLoop]: Abstraction has has 107 places, 124 transitions, 538 flow
[2021-11-13 18:42:40,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,508 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:40,508 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:40,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:42:40,508 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:40,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:40,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1025735787, now seen corresponding path program 1 times
[2021-11-13 18:42:40,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:40,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212706751]
[2021-11-13 18:42:40,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:40,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:40,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:40,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212706751]
[2021-11-13 18:42:40,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212706751] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:40,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:40,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:40,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3620035]
[2021-11-13 18:42:40,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:40,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:40,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:40,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:40,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:40,867 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 97
[2021-11-13 18:42:40,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 124 transitions, 538 flow. Second operand has 13 states, 13 states have (on average 48.76923076923077) internal successors, (634), 13 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:40,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:40,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 97
[2021-11-13 18:42:40,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:41,574 INFO L129 PetriNetUnfolder]: 166/544 cut-off events.
[2021-11-13 18:42:41,574 INFO L130 PetriNetUnfolder]: For 488/496 co-relation queries the response was YES.
[2021-11-13 18:42:41,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 544 events. 166/544 cut-off events. For 488/496 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2209 event pairs, 2 based on Foata normal form. 11/553 useless extension candidates. Maximal degree in co-relation 1527. Up to 195 conditions per place.
[2021-11-13 18:42:41,580 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 111 selfloop transitions, 30 changer transitions 17/198 dead transitions.
[2021-11-13 18:42:41,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 198 transitions, 1200 flow
[2021-11-13 18:42:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:41,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 613 transitions.
[2021-11-13 18:42:41,584 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5745079662605436
[2021-11-13 18:42:41,584 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 613 transitions.
[2021-11-13 18:42:41,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 613 transitions.
[2021-11-13 18:42:41,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:41,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 613 transitions.
[2021-11-13 18:42:41,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.72727272727273) internal successors, (613), 11 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:41,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:41,592 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:41,592 INFO L186 Difference]: Start difference. First operand has 107 places, 124 transitions, 538 flow. Second operand 11 states and 613 transitions.
[2021-11-13 18:42:41,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 198 transitions, 1200 flow
[2021-11-13 18:42:41,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 198 transitions, 1182 flow, removed 9 selfloop flow, removed 0 redundant places.
[2021-11-13 18:42:41,601 INFO L242 Difference]: Finished difference. Result has 116 places, 120 transitions, 556 flow
[2021-11-13 18:42:41,602 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=556, PETRI_PLACES=116, PETRI_TRANSITIONS=120}
[2021-11-13 18:42:41,603 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 26 predicate places.
[2021-11-13 18:42:41,603 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 120 transitions, 556 flow
[2021-11-13 18:42:41,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 48.76923076923077) internal successors, (634), 13 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:41,605 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:41,605 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:41,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:42:41,605 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash -402826150, now seen corresponding path program 1 times
[2021-11-13 18:42:41,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:41,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134433650]
[2021-11-13 18:42:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:41,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:42,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:42,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134433650]
[2021-11-13 18:42:42,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134433650] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:42,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:42,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:42,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242413007]
[2021-11-13 18:42:42,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:42,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:42,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:42,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:42,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:42,074 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:42,075 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 120 transitions, 556 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:42,075 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:42,075 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:42,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:42,899 INFO L129 PetriNetUnfolder]: 152/520 cut-off events.
[2021-11-13 18:42:42,899 INFO L130 PetriNetUnfolder]: For 548/548 co-relation queries the response was YES.
[2021-11-13 18:42:42,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1611 conditions, 520 events. 152/520 cut-off events. For 548/548 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2157 event pairs, 4 based on Foata normal form. 5/523 useless extension candidates. Maximal degree in co-relation 1556. Up to 277 conditions per place.
[2021-11-13 18:42:42,906 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 105 selfloop transitions, 27 changer transitions 13/188 dead transitions.
[2021-11-13 18:42:42,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 188 transitions, 1108 flow
[2021-11-13 18:42:42,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 648 transitions.
[2021-11-13 18:42:42,911 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6073102155576382
[2021-11-13 18:42:42,911 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 648 transitions.
[2021-11-13 18:42:42,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 648 transitions.
[2021-11-13 18:42:42,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:42,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 648 transitions.
[2021-11-13 18:42:42,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 58.90909090909091) internal successors, (648), 11 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:42,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:42,919 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:42,919 INFO L186 Difference]: Start difference. First operand has 116 places, 120 transitions, 556 flow. Second operand 11 states and 648 transitions.
[2021-11-13 18:42:42,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 188 transitions, 1108 flow
[2021-11-13 18:42:42,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 188 transitions, 968 flow, removed 15 selfloop flow, removed 11 redundant places.
[2021-11-13 18:42:42,932 INFO L242 Difference]: Finished difference. Result has 120 places, 128 transitions, 640 flow
[2021-11-13 18:42:42,933 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=640, PETRI_PLACES=120, PETRI_TRANSITIONS=128}
[2021-11-13 18:42:42,933 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 30 predicate places.
[2021-11-13 18:42:42,934 INFO L470 AbstractCegarLoop]: Abstraction has has 120 places, 128 transitions, 640 flow
[2021-11-13 18:42:42,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:42,935 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:42,935 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:42,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-13 18:42:42,936 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:42,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:42,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1295413922, now seen corresponding path program 2 times
[2021-11-13 18:42:42,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:42,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931952473]
[2021-11-13 18:42:42,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:42,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:43,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:43,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931952473]
[2021-11-13 18:42:43,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931952473] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:43,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:43,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:43,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452396141]
[2021-11-13 18:42:43,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:43,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:43,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:43,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:43,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 128 transitions, 640 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:43,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:43,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:43,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:44,265 INFO L129 PetriNetUnfolder]: 151/510 cut-off events.
[2021-11-13 18:42:44,266 INFO L130 PetriNetUnfolder]: For 530/531 co-relation queries the response was YES.
[2021-11-13 18:42:44,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1620 conditions, 510 events. 151/510 cut-off events. For 530/531 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1970 event pairs, 43 based on Foata normal form. 5/512 useless extension candidates. Maximal degree in co-relation 1559. Up to 228 conditions per place.
[2021-11-13 18:42:44,273 INFO L132 encePairwiseOnDemand]: 83/97 looper letters, 86 selfloop transitions, 34 changer transitions 14/177 dead transitions.
[2021-11-13 18:42:44,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 177 transitions, 1057 flow
[2021-11-13 18:42:44,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 636 transitions.
[2021-11-13 18:42:44,277 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5960637300843487
[2021-11-13 18:42:44,277 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 636 transitions.
[2021-11-13 18:42:44,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 636 transitions.
[2021-11-13 18:42:44,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:44,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 636 transitions.
[2021-11-13 18:42:44,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.81818181818182) internal successors, (636), 11 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:44,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:44,285 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:44,285 INFO L186 Difference]: Start difference. First operand has 120 places, 128 transitions, 640 flow. Second operand 11 states and 636 transitions.
[2021-11-13 18:42:44,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 177 transitions, 1057 flow
[2021-11-13 18:42:44,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 177 transitions, 1042 flow, removed 2 selfloop flow, removed 5 redundant places.
[2021-11-13 18:42:44,301 INFO L242 Difference]: Finished difference. Result has 127 places, 128 transitions, 710 flow
[2021-11-13 18:42:44,302 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=710, PETRI_PLACES=127, PETRI_TRANSITIONS=128}
[2021-11-13 18:42:44,303 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 37 predicate places.
[2021-11-13 18:42:44,303 INFO L470 AbstractCegarLoop]: Abstraction has has 127 places, 128 transitions, 710 flow
[2021-11-13 18:42:44,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:44,304 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:44,304 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:44,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 18:42:44,305 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:44,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:44,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1010613782, now seen corresponding path program 3 times
[2021-11-13 18:42:44,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:44,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047905479]
[2021-11-13 18:42:44,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:44,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:44,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:44,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047905479]
[2021-11-13 18:42:44,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047905479] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:44,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:44,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2021-11-13 18:42:44,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261456109]
[2021-11-13 18:42:44,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:44,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-13 18:42:44,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:44,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-13 18:42:44,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:42:44,550 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:44,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 128 transitions, 710 flow. Second operand has 12 states, 12 states have (on average 50.916666666666664) internal successors, (611), 12 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:44,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:44,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:44,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:45,181 INFO L129 PetriNetUnfolder]: 199/647 cut-off events.
[2021-11-13 18:42:45,181 INFO L130 PetriNetUnfolder]: For 1425/1425 co-relation queries the response was YES.
[2021-11-13 18:42:45,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2267 conditions, 647 events. 199/647 cut-off events. For 1425/1425 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3019 event pairs, 11 based on Foata normal form. 10/656 useless extension candidates. Maximal degree in co-relation 2204. Up to 280 conditions per place.
[2021-11-13 18:42:45,189 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 84 selfloop transitions, 5 changer transitions 113/245 dead transitions.
[2021-11-13 18:42:45,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 245 transitions, 1724 flow
[2021-11-13 18:42:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 653 transitions.
[2021-11-13 18:42:45,193 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6119962511715089
[2021-11-13 18:42:45,194 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 653 transitions.
[2021-11-13 18:42:45,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 653 transitions.
[2021-11-13 18:42:45,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:45,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 653 transitions.
[2021-11-13 18:42:45,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 59.36363636363637) internal successors, (653), 11 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:45,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:45,202 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:45,203 INFO L186 Difference]: Start difference. First operand has 127 places, 128 transitions, 710 flow. Second operand 11 states and 653 transitions.
[2021-11-13 18:42:45,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 245 transitions, 1724 flow
[2021-11-13 18:42:45,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 245 transitions, 1618 flow, removed 2 selfloop flow, removed 10 redundant places.
[2021-11-13 18:42:45,222 INFO L242 Difference]: Finished difference. Result has 130 places, 112 transitions, 531 flow
[2021-11-13 18:42:45,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=531, PETRI_PLACES=130, PETRI_TRANSITIONS=112}
[2021-11-13 18:42:45,226 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 40 predicate places.
[2021-11-13 18:42:45,226 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 112 transitions, 531 flow
[2021-11-13 18:42:45,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 50.916666666666664) internal successors, (611), 12 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:45,227 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:45,227 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:45,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:42:45,230 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:45,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:45,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1655887854, now seen corresponding path program 4 times
[2021-11-13 18:42:45,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:45,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73737838]
[2021-11-13 18:42:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:45,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:45,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:45,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73737838]
[2021-11-13 18:42:45,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73737838] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:45,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:45,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:45,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476633034]
[2021-11-13 18:42:45,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:45,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:45,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:45,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:45,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:45,715 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:45,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 112 transitions, 531 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:45,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:45,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:45,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:46,687 INFO L129 PetriNetUnfolder]: 130/457 cut-off events.
[2021-11-13 18:42:46,688 INFO L130 PetriNetUnfolder]: For 843/843 co-relation queries the response was YES.
[2021-11-13 18:42:46,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1474 conditions, 457 events. 130/457 cut-off events. For 843/843 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1688 event pairs, 37 based on Foata normal form. 5/459 useless extension candidates. Maximal degree in co-relation 1408. Up to 180 conditions per place.
[2021-11-13 18:42:46,694 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 91 selfloop transitions, 23 changer transitions 21/178 dead transitions.
[2021-11-13 18:42:46,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 178 transitions, 1037 flow
[2021-11-13 18:42:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:42:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-11-13 18:42:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 688 transitions.
[2021-11-13 18:42:46,698 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5910652920962199
[2021-11-13 18:42:46,699 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 688 transitions.
[2021-11-13 18:42:46,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 688 transitions.
[2021-11-13 18:42:46,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:46,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 688 transitions.
[2021-11-13 18:42:46,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 57.333333333333336) internal successors, (688), 12 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:46,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:46,707 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:46,707 INFO L186 Difference]: Start difference. First operand has 130 places, 112 transitions, 531 flow. Second operand 12 states and 688 transitions.
[2021-11-13 18:42:46,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 178 transitions, 1037 flow
[2021-11-13 18:42:46,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 178 transitions, 957 flow, removed 23 selfloop flow, removed 10 redundant places.
[2021-11-13 18:42:46,721 INFO L242 Difference]: Finished difference. Result has 130 places, 116 transitions, 563 flow
[2021-11-13 18:42:46,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=563, PETRI_PLACES=130, PETRI_TRANSITIONS=116}
[2021-11-13 18:42:46,722 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 40 predicate places.
[2021-11-13 18:42:46,722 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 563 flow
[2021-11-13 18:42:46,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:46,723 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:46,723 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:46,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-13 18:42:46,724 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1380995228, now seen corresponding path program 5 times
[2021-11-13 18:42:46,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:46,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021469474]
[2021-11-13 18:42:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:46,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:46,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:46,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021469474]
[2021-11-13 18:42:46,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021469474] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:46,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:46,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:46,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796907558]
[2021-11-13 18:42:46,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:46,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:46,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:46,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:46,966 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:46,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 563 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:46,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:46,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:46,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:47,618 INFO L129 PetriNetUnfolder]: 192/652 cut-off events.
[2021-11-13 18:42:47,619 INFO L130 PetriNetUnfolder]: For 1636/1636 co-relation queries the response was YES.
[2021-11-13 18:42:47,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 652 events. 192/652 cut-off events. For 1636/1636 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2932 event pairs, 58 based on Foata normal form. 10/657 useless extension candidates. Maximal degree in co-relation 2122. Up to 248 conditions per place.
[2021-11-13 18:42:47,626 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 108 selfloop transitions, 7 changer transitions 69/227 dead transitions.
[2021-11-13 18:42:47,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 227 transitions, 1504 flow
[2021-11-13 18:42:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 643 transitions.
[2021-11-13 18:42:47,629 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6026241799437676
[2021-11-13 18:42:47,630 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 643 transitions.
[2021-11-13 18:42:47,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 643 transitions.
[2021-11-13 18:42:47,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:47,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 643 transitions.
[2021-11-13 18:42:47,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 58.45454545454545) internal successors, (643), 11 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:47,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:47,637 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:47,637 INFO L186 Difference]: Start difference. First operand has 130 places, 116 transitions, 563 flow. Second operand 11 states and 643 transitions.
[2021-11-13 18:42:47,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 227 transitions, 1504 flow
[2021-11-13 18:42:47,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 227 transitions, 1426 flow, removed 6 selfloop flow, removed 9 redundant places.
[2021-11-13 18:42:47,652 INFO L242 Difference]: Finished difference. Result has 135 places, 116 transitions, 562 flow
[2021-11-13 18:42:47,653 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=562, PETRI_PLACES=135, PETRI_TRANSITIONS=116}
[2021-11-13 18:42:47,655 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 45 predicate places.
[2021-11-13 18:42:47,655 INFO L470 AbstractCegarLoop]: Abstraction has has 135 places, 116 transitions, 562 flow
[2021-11-13 18:42:47,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:47,656 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:47,656 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:47,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-13 18:42:47,657 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:47,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1599746302, now seen corresponding path program 6 times
[2021-11-13 18:42:47,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:47,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908327362]
[2021-11-13 18:42:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:47,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:47,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:47,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908327362]
[2021-11-13 18:42:47,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908327362] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:47,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:47,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:47,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784393130]
[2021-11-13 18:42:47,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:47,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:47,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:47,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:47,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:47,962 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:47,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 116 transitions, 562 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:47,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:47,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:47,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:48,676 INFO L129 PetriNetUnfolder]: 195/707 cut-off events.
[2021-11-13 18:42:48,676 INFO L130 PetriNetUnfolder]: For 1545/1545 co-relation queries the response was YES.
[2021-11-13 18:42:48,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2349 conditions, 707 events. 195/707 cut-off events. For 1545/1545 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3439 event pairs, 67 based on Foata normal form. 10/712 useless extension candidates. Maximal degree in co-relation 2281. Up to 232 conditions per place.
[2021-11-13 18:42:48,694 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 93 selfloop transitions, 17 changer transitions 55/208 dead transitions.
[2021-11-13 18:42:48,694 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 208 transitions, 1398 flow
[2021-11-13 18:42:48,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 633 transitions.
[2021-11-13 18:42:48,700 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5932521087160263
[2021-11-13 18:42:48,700 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 633 transitions.
[2021-11-13 18:42:48,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 633 transitions.
[2021-11-13 18:42:48,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:48,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 633 transitions.
[2021-11-13 18:42:48,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.54545454545455) internal successors, (633), 11 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:48,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:48,711 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:48,711 INFO L186 Difference]: Start difference. First operand has 135 places, 116 transitions, 562 flow. Second operand 11 states and 633 transitions.
[2021-11-13 18:42:48,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 208 transitions, 1398 flow
[2021-11-13 18:42:48,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 208 transitions, 1318 flow, removed 31 selfloop flow, removed 8 redundant places.
[2021-11-13 18:42:48,728 INFO L242 Difference]: Finished difference. Result has 139 places, 120 transitions, 642 flow
[2021-11-13 18:42:48,728 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=642, PETRI_PLACES=139, PETRI_TRANSITIONS=120}
[2021-11-13 18:42:48,729 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 49 predicate places.
[2021-11-13 18:42:48,729 INFO L470 AbstractCegarLoop]: Abstraction has has 139 places, 120 transitions, 642 flow
[2021-11-13 18:42:48,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:48,730 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:48,730 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:48,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-13 18:42:48,731 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:48,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:48,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1641038928, now seen corresponding path program 7 times
[2021-11-13 18:42:48,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:48,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740963827]
[2021-11-13 18:42:48,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:48,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:49,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:49,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740963827]
[2021-11-13 18:42:49,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740963827] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:49,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:49,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:49,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975275267]
[2021-11-13 18:42:49,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:49,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:49,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:49,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:49,018 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:49,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 120 transitions, 642 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:49,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:49,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:49,669 INFO L129 PetriNetUnfolder]: 176/670 cut-off events.
[2021-11-13 18:42:49,669 INFO L130 PetriNetUnfolder]: For 1797/1797 co-relation queries the response was YES.
[2021-11-13 18:42:49,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2280 conditions, 670 events. 176/670 cut-off events. For 1797/1797 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3197 event pairs, 78 based on Foata normal form. 10/674 useless extension candidates. Maximal degree in co-relation 2210. Up to 320 conditions per place.
[2021-11-13 18:42:49,676 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 103 selfloop transitions, 9 changer transitions 55/210 dead transitions.
[2021-11-13 18:42:49,676 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 210 transitions, 1431 flow
[2021-11-13 18:42:49,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 637 transitions.
[2021-11-13 18:42:49,680 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5970009372071228
[2021-11-13 18:42:49,680 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 637 transitions.
[2021-11-13 18:42:49,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 637 transitions.
[2021-11-13 18:42:49,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:49,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 637 transitions.
[2021-11-13 18:42:49,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.90909090909091) internal successors, (637), 11 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,687 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,687 INFO L186 Difference]: Start difference. First operand has 139 places, 120 transitions, 642 flow. Second operand 11 states and 637 transitions.
[2021-11-13 18:42:49,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 210 transitions, 1431 flow
[2021-11-13 18:42:49,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 210 transitions, 1366 flow, removed 21 selfloop flow, removed 7 redundant places.
[2021-11-13 18:42:49,713 INFO L242 Difference]: Finished difference. Result has 143 places, 119 transitions, 636 flow
[2021-11-13 18:42:49,713 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=636, PETRI_PLACES=143, PETRI_TRANSITIONS=119}
[2021-11-13 18:42:49,714 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 53 predicate places.
[2021-11-13 18:42:49,714 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 119 transitions, 636 flow
[2021-11-13 18:42:49,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,714 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:49,714 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:49,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-13 18:42:49,714 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:49,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:49,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1127657548, now seen corresponding path program 8 times
[2021-11-13 18:42:49,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:49,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261361680]
[2021-11-13 18:42:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:49,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:49,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:49,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261361680]
[2021-11-13 18:42:49,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261361680] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:49,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:49,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:49,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081043024]
[2021-11-13 18:42:49,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:49,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:49,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:49,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:49,951 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:49,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 119 transitions, 636 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:49,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:49,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:49,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:50,505 INFO L129 PetriNetUnfolder]: 175/681 cut-off events.
[2021-11-13 18:42:50,506 INFO L130 PetriNetUnfolder]: For 1775/1775 co-relation queries the response was YES.
[2021-11-13 18:42:50,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2289 conditions, 681 events. 175/681 cut-off events. For 1775/1775 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3294 event pairs, 59 based on Foata normal form. 10/686 useless extension candidates. Maximal degree in co-relation 2218. Up to 206 conditions per place.
[2021-11-13 18:42:50,513 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 84 selfloop transitions, 12 changer transitions 77/216 dead transitions.
[2021-11-13 18:42:50,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 216 transitions, 1525 flow
[2021-11-13 18:42:50,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 636 transitions.
[2021-11-13 18:42:50,516 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5960637300843487
[2021-11-13 18:42:50,516 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 636 transitions.
[2021-11-13 18:42:50,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 636 transitions.
[2021-11-13 18:42:50,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:50,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 636 transitions.
[2021-11-13 18:42:50,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.81818181818182) internal successors, (636), 11 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:50,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:50,521 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:50,521 INFO L186 Difference]: Start difference. First operand has 143 places, 119 transitions, 636 flow. Second operand 11 states and 636 transitions.
[2021-11-13 18:42:50,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 216 transitions, 1525 flow
[2021-11-13 18:42:50,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 216 transitions, 1457 flow, removed 24 selfloop flow, removed 10 redundant places.
[2021-11-13 18:42:50,534 INFO L242 Difference]: Finished difference. Result has 146 places, 114 transitions, 625 flow
[2021-11-13 18:42:50,534 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=625, PETRI_PLACES=146, PETRI_TRANSITIONS=114}
[2021-11-13 18:42:50,535 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 56 predicate places.
[2021-11-13 18:42:50,535 INFO L470 AbstractCegarLoop]: Abstraction has has 146 places, 114 transitions, 625 flow
[2021-11-13 18:42:50,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:50,535 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:50,536 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:50,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-13 18:42:50,536 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash -228658196, now seen corresponding path program 9 times
[2021-11-13 18:42:50,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:50,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422294317]
[2021-11-13 18:42:50,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:50,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:50,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:50,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422294317]
[2021-11-13 18:42:50,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422294317] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:50,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:50,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:50,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050213226]
[2021-11-13 18:42:50,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:50,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:50,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:50,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:50,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:50,848 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:50,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 114 transitions, 625 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:50,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:50,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:50,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:51,456 INFO L129 PetriNetUnfolder]: 98/450 cut-off events.
[2021-11-13 18:42:51,456 INFO L130 PetriNetUnfolder]: For 1444/1444 co-relation queries the response was YES.
[2021-11-13 18:42:51,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 450 events. 98/450 cut-off events. For 1444/1444 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1847 event pairs, 39 based on Foata normal form. 10/457 useless extension candidates. Maximal degree in co-relation 1461. Up to 237 conditions per place.
[2021-11-13 18:42:51,461 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 59 selfloop transitions, 6 changer transitions 62/170 dead transitions.
[2021-11-13 18:42:51,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 170 transitions, 1121 flow
[2021-11-13 18:42:51,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:42:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-11-13 18:42:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 670 transitions.
[2021-11-13 18:42:51,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5756013745704467
[2021-11-13 18:42:51,464 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 670 transitions.
[2021-11-13 18:42:51,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 670 transitions.
[2021-11-13 18:42:51,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:51,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 670 transitions.
[2021-11-13 18:42:51,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.833333333333336) internal successors, (670), 12 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:51,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:51,470 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:51,470 INFO L186 Difference]: Start difference. First operand has 146 places, 114 transitions, 625 flow. Second operand 12 states and 670 transitions.
[2021-11-13 18:42:51,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 170 transitions, 1121 flow
[2021-11-13 18:42:51,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 170 transitions, 1036 flow, removed 23 selfloop flow, removed 13 redundant places.
[2021-11-13 18:42:51,482 INFO L242 Difference]: Finished difference. Result has 143 places, 106 transitions, 488 flow
[2021-11-13 18:42:51,482 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=488, PETRI_PLACES=143, PETRI_TRANSITIONS=106}
[2021-11-13 18:42:51,483 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 53 predicate places.
[2021-11-13 18:42:51,483 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 106 transitions, 488 flow
[2021-11-13 18:42:51,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:51,484 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:51,484 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:51,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-11-13 18:42:51,485 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:51,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:51,485 INFO L85 PathProgramCache]: Analyzing trace with hash -467117878, now seen corresponding path program 10 times
[2021-11-13 18:42:51,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:51,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194511458]
[2021-11-13 18:42:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:51,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:51,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:51,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194511458]
[2021-11-13 18:42:51,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194511458] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:51,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:51,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:51,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036639835]
[2021-11-13 18:42:51,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:51,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:51,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:51,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:51,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:51,870 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:51,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 106 transitions, 488 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:51,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:51,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:51,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:52,596 INFO L129 PetriNetUnfolder]: 84/401 cut-off events.
[2021-11-13 18:42:52,596 INFO L130 PetriNetUnfolder]: For 864/864 co-relation queries the response was YES.
[2021-11-13 18:42:52,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 401 events. 84/401 cut-off events. For 864/864 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1670 event pairs, 25 based on Foata normal form. 10/409 useless extension candidates. Maximal degree in co-relation 1201. Up to 75 conditions per place.
[2021-11-13 18:42:52,601 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 70 selfloop transitions, 13 changer transitions 47/173 dead transitions.
[2021-11-13 18:42:52,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 173 transitions, 1132 flow
[2021-11-13 18:42:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 615 transitions.
[2021-11-13 18:42:52,604 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5763823805060918
[2021-11-13 18:42:52,604 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 615 transitions.
[2021-11-13 18:42:52,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 615 transitions.
[2021-11-13 18:42:52,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:52,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 615 transitions.
[2021-11-13 18:42:52,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.90909090909091) internal successors, (615), 11 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:52,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:52,611 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:52,612 INFO L186 Difference]: Start difference. First operand has 143 places, 106 transitions, 488 flow. Second operand 11 states and 615 transitions.
[2021-11-13 18:42:52,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 173 transitions, 1132 flow
[2021-11-13 18:42:52,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 173 transitions, 1030 flow, removed 41 selfloop flow, removed 14 redundant places.
[2021-11-13 18:42:52,624 INFO L242 Difference]: Finished difference. Result has 130 places, 101 transitions, 439 flow
[2021-11-13 18:42:52,625 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=439, PETRI_PLACES=130, PETRI_TRANSITIONS=101}
[2021-11-13 18:42:52,625 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 40 predicate places.
[2021-11-13 18:42:52,626 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 101 transitions, 439 flow
[2021-11-13 18:42:52,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:52,626 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:52,627 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:52,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-13 18:42:52,627 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:52,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1141135434, now seen corresponding path program 11 times
[2021-11-13 18:42:52,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:52,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229332745]
[2021-11-13 18:42:52,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:52,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:52,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:52,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229332745]
[2021-11-13 18:42:52,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229332745] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:52,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:52,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:52,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144469668]
[2021-11-13 18:42:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:52,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:52,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:52,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:52,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:52,969 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:52,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 101 transitions, 439 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:52,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:52,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:52,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:53,695 INFO L129 PetriNetUnfolder]: 52/316 cut-off events.
[2021-11-13 18:42:53,695 INFO L130 PetriNetUnfolder]: For 547/547 co-relation queries the response was YES.
[2021-11-13 18:42:53,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 316 events. 52/316 cut-off events. For 547/547 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1141 event pairs, 27 based on Foata normal form. 5/319 useless extension candidates. Maximal degree in co-relation 885. Up to 92 conditions per place.
[2021-11-13 18:42:53,699 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 59 selfloop transitions, 16 changer transitions 22/140 dead transitions.
[2021-11-13 18:42:53,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 140 transitions, 794 flow
[2021-11-13 18:42:53,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-11-13 18:42:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states.
[2021-11-13 18:42:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 612 transitions.
[2021-11-13 18:42:53,702 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5735707591377694
[2021-11-13 18:42:53,703 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 612 transitions.
[2021-11-13 18:42:53,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 612 transitions.
[2021-11-13 18:42:53,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:53,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 612 transitions.
[2021-11-13 18:42:53,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.63636363636363) internal successors, (612), 11 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:53,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:53,709 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:53,710 INFO L186 Difference]: Start difference. First operand has 130 places, 101 transitions, 439 flow. Second operand 11 states and 612 transitions.
[2021-11-13 18:42:53,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 140 transitions, 794 flow
[2021-11-13 18:42:53,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 140 transitions, 717 flow, removed 19 selfloop flow, removed 12 redundant places.
[2021-11-13 18:42:53,718 INFO L242 Difference]: Finished difference. Result has 130 places, 103 transitions, 446 flow
[2021-11-13 18:42:53,718 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=446, PETRI_PLACES=130, PETRI_TRANSITIONS=103}
[2021-11-13 18:42:53,719 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 40 predicate places.
[2021-11-13 18:42:53,719 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 103 transitions, 446 flow
[2021-11-13 18:42:53,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:53,720 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:53,720 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:53,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-11-13 18:42:53,721 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:53,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:53,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1862920642, now seen corresponding path program 12 times
[2021-11-13 18:42:53,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:53,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263616083]
[2021-11-13 18:42:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:53,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:54,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:54,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263616083]
[2021-11-13 18:42:54,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263616083] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:54,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:54,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:54,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993796348]
[2021-11-13 18:42:54,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:54,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:54,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:54,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:54,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:54,140 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:54,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 103 transitions, 446 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:54,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:54,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:54,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:54,677 INFO L129 PetriNetUnfolder]: 56/326 cut-off events.
[2021-11-13 18:42:54,677 INFO L130 PetriNetUnfolder]: For 539/539 co-relation queries the response was YES.
[2021-11-13 18:42:54,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 326 events. 56/326 cut-off events. For 539/539 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1193 event pairs, 28 based on Foata normal form. 10/334 useless extension candidates. Maximal degree in co-relation 911. Up to 90 conditions per place.
[2021-11-13 18:42:54,680 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 52 selfloop transitions, 11 changer transitions 40/146 dead transitions.
[2021-11-13 18:42:54,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 146 transitions, 845 flow
[2021-11-13 18:42:54,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:42:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-11-13 18:42:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions.
[2021-11-13 18:42:54,683 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5644329896907216
[2021-11-13 18:42:54,683 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions.
[2021-11-13 18:42:54,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions.
[2021-11-13 18:42:54,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:54,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions.
[2021-11-13 18:42:54,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:54,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:54,688 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:54,688 INFO L186 Difference]: Start difference. First operand has 130 places, 103 transitions, 446 flow. Second operand 12 states and 657 transitions.
[2021-11-13 18:42:54,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 146 transitions, 845 flow
[2021-11-13 18:42:54,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 816 flow, removed 2 selfloop flow, removed 7 redundant places.
[2021-11-13 18:42:54,695 INFO L242 Difference]: Finished difference. Result has 138 places, 99 transitions, 416 flow
[2021-11-13 18:42:54,695 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=416, PETRI_PLACES=138, PETRI_TRANSITIONS=99}
[2021-11-13 18:42:54,696 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 48 predicate places.
[2021-11-13 18:42:54,696 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 99 transitions, 416 flow
[2021-11-13 18:42:54,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:54,697 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:54,697 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:54,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-11-13 18:42:54,697 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:54,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1460015274, now seen corresponding path program 13 times
[2021-11-13 18:42:54,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:54,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680939780]
[2021-11-13 18:42:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:54,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:55,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:55,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680939780]
[2021-11-13 18:42:55,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680939780] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:55,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:55,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:55,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342107088]
[2021-11-13 18:42:55,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:55,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:55,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:55,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:55,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:55,038 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:55,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 99 transitions, 416 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:55,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:55,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:55,623 INFO L129 PetriNetUnfolder]: 34/221 cut-off events.
[2021-11-13 18:42:55,623 INFO L130 PetriNetUnfolder]: For 398/398 co-relation queries the response was YES.
[2021-11-13 18:42:55,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 221 events. 34/221 cut-off events. For 398/398 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 554 event pairs, 4 based on Foata normal form. 10/231 useless extension candidates. Maximal degree in co-relation 595. Up to 52 conditions per place.
[2021-11-13 18:42:55,625 INFO L132 encePairwiseOnDemand]: 86/97 looper letters, 47 selfloop transitions, 9 changer transitions 47/146 dead transitions.
[2021-11-13 18:42:55,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 146 transitions, 808 flow
[2021-11-13 18:42:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-11-13 18:42:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2021-11-13 18:42:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 709 transitions.
[2021-11-13 18:42:55,628 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5622521808088818
[2021-11-13 18:42:55,628 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 709 transitions.
[2021-11-13 18:42:55,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 709 transitions.
[2021-11-13 18:42:55,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:55,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 709 transitions.
[2021-11-13 18:42:55,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.53846153846154) internal successors, (709), 13 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,634 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,634 INFO L186 Difference]: Start difference. First operand has 138 places, 99 transitions, 416 flow. Second operand 13 states and 709 transitions.
[2021-11-13 18:42:55,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 146 transitions, 808 flow
[2021-11-13 18:42:55,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 146 transitions, 728 flow, removed 17 selfloop flow, removed 18 redundant places.
[2021-11-13 18:42:55,640 INFO L242 Difference]: Finished difference. Result has 130 places, 92 transitions, 320 flow
[2021-11-13 18:42:55,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=320, PETRI_PLACES=130, PETRI_TRANSITIONS=92}
[2021-11-13 18:42:55,641 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 40 predicate places.
[2021-11-13 18:42:55,641 INFO L470 AbstractCegarLoop]: Abstraction has has 130 places, 92 transitions, 320 flow
[2021-11-13 18:42:55,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,642 INFO L246 CegarLoopForPetriNet]: Found error trace
[2021-11-13 18:42:55,642 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:55,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 18:42:55,642 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2021-11-13 18:42:55,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:42:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1347335166, now seen corresponding path program 14 times
[2021-11-13 18:42:55,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:42:55,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903187924]
[2021-11-13 18:42:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:42:55,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:42:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:42:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:42:55,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:42:55,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903187924]
[2021-11-13 18:42:55,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903187924] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:42:55,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:42:55,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2021-11-13 18:42:55,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965855241]
[2021-11-13 18:42:55,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:42:55,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-11-13 18:42:55,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:42:55,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-11-13 18:42:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156
[2021-11-13 18:42:55,915 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97
[2021-11-13 18:42:55,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 92 transitions, 320 flow. Second operand has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:55,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-11-13 18:42:55,917 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97
[2021-11-13 18:42:55,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-11-13 18:42:56,325 INFO L129 PetriNetUnfolder]: 13/131 cut-off events.
[2021-11-13 18:42:56,325 INFO L130 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES.
[2021-11-13 18:42:56,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 131 events. 13/131 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 119 event pairs, 0 based on Foata normal form. 10/141 useless extension candidates. Maximal degree in co-relation 319. Up to 30 conditions per place.
[2021-11-13 18:42:56,326 INFO L132 encePairwiseOnDemand]: 87/97 looper letters, 0 selfloop transitions, 0 changer transitions 111/111 dead transitions.
[2021-11-13 18:42:56,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 111 transitions, 524 flow
[2021-11-13 18:42:56,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-11-13 18:42:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2021-11-13 18:42:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 636 transitions.
[2021-11-13 18:42:56,329 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5463917525773195
[2021-11-13 18:42:56,329 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 636 transitions.
[2021-11-13 18:42:56,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 636 transitions.
[2021-11-13 18:42:56,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:42:56,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 636 transitions.
[2021-11-13 18:42:56,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.0) internal successors, (636), 12 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:56,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:56,340 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:56,340 INFO L186 Difference]: Start difference. First operand has 130 places, 92 transitions, 320 flow. Second operand 12 states and 636 transitions.
[2021-11-13 18:42:56,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 111 transitions, 524 flow
[2021-11-13 18:42:56,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 111 transitions, 462 flow, removed 12 selfloop flow, removed 16 redundant places.
[2021-11-13 18:42:56,343 INFO L242 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow
[2021-11-13 18:42:56,343 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0}
[2021-11-13 18:42:56,344 INFO L334 CegarLoopForPetriNet]: 90 programPoint places, 26 predicate places.
[2021-11-13 18:42:56,344 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow
[2021-11-13 18:42:56,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 50.69230769230769) internal successors, (659), 13 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:42:56,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining)
[2021-11-13 18:42:56,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2021-11-13 18:42:56,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2021-11-13 18:42:56,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining)
[2021-11-13 18:42:56,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2021-11-13 18:42:56,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2021-11-13 18:42:56,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2021-11-13 18:42:56,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2021-11-13 18:42:56,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-11-13 18:42:56,353 INFO L732 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:42:56,358 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-13 18:42:56,358 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:42:56,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:42:56 BasicIcfg
[2021-11-13 18:42:56,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:42:56,362 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:42:56,362 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:42:56,362 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:42:56,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:42:36" (3/4) ...
[2021-11-13 18:42:56,365 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:42:56,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2021-11-13 18:42:56,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:42:56,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-13 18:42:56,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:42:56,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:42:56,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:42:56,408 INFO L158 Benchmark]: Toolchain (without parser) took 22071.01ms. Allocated memory was 111.1MB in the beginning and 232.8MB in the end (delta: 121.6MB). Free memory was 79.2MB in the beginning and 196.3MB in the end (delta: -117.1MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,409 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:42:56,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 879.49ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 69.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.38ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,410 INFO L158 Benchmark]: Boogie Preprocessor took 76.08ms. Allocated memory is still 111.1MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,410 INFO L158 Benchmark]: RCFGBuilder took 628.14ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 65.1MB in the beginning and 117.3MB in the end (delta: -52.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,411 INFO L158 Benchmark]: TraceAbstraction took 20325.65ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 116.2MB in the beginning and 199.5MB in the end (delta: -83.3MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,411 INFO L158 Benchmark]: Witness Printer took 45.98ms. Allocated memory is still 232.8MB. Free memory was 199.5MB in the beginning and 196.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:42:56,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 879.49ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 69.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 107.38ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 66.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 76.08ms. Allocated memory is still 111.1MB. Free memory was 66.9MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 628.14ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 65.1MB in the beginning and 117.3MB in the end (delta: -52.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 20325.65ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 116.2MB in the beginning and 199.5MB in the end (delta: -83.3MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB.
* Witness Printer took 45.98ms. Allocated memory is still 232.8MB. Free memory was 199.5MB in the beginning and 196.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 931]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 931]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 933]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 922]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 922]: there are no data races
For all program executions holds that there are no data races at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 126 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 20.2s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2074 SdHoareTripleChecker+Valid, 6922.38ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2074 mSDsluCounter, 766 SdHoareTripleChecker+Invalid, 5749.33ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 397 mSDsCounter, 1114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6582 IncrementalHoareTripleChecker+Invalid, 7696 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1114 mSolverCounterUnsat, 374 mSDtfsCounter, 6582 mSolverCounterSat, 60.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 22 SyntacticMatches, 52 SemanticMatches, 311 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1690occurred in iteration=4, InterpolantAutomatonStates: 204, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1347 NumberOfCodeBlocks, 1347 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1326 ConstructedInterpolants, 0 QuantifiedInterpolants, 15947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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
- AllSpecificationsHoldResult: All specifications hold
5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:42:56,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0b09220-f270-4a6a-bfd5-f593669d3b08/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE