./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:49:28,073 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:49:28,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 07:49:28,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:49:28,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:49:28,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:49:28,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:49:28,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:49:28,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:49:28,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:49:28,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:49:28,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:49:28,183 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:49:28,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:49:28,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:49:28,185 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:49:28,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:49:28,186 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:49:28,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:49:28,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:49:28,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:49:28,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:49:28,190 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 07:49:28,190 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:49:28,191 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:49:28,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:49:28,192 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:49:28,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:49:28,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:49:28,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:49:28,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:49:28,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:49:28,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:49:28,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:49:28,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:49:28,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:49:28,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:49:28,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:49:28,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:49:28,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:49:28,199 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:49:28,200 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398
[2023-11-19 07:49:28,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:49:28,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:49:28,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:49:28,542 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:49:28,543 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:49:28,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-atomic/peterson.i
[2023-11-19 07:49:31,847 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:49:32,207 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:49:32,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/sv-benchmarks/c/pthread-atomic/peterson.i
[2023-11-19 07:49:32,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/data/15bafac65/26c13dc802b34c8aac4e33feb5e84b79/FLAG0e0855677
[2023-11-19 07:49:32,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/data/15bafac65/26c13dc802b34c8aac4e33feb5e84b79
[2023-11-19 07:49:32,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:49:32,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:49:32,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:32,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:49:32,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:49:32,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f5503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32, skipping insertion in model container
[2023-11-19 07:49:32,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,343 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:49:32,565 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:49:32,742 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:32,753 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:49:32,769 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-19 07:49:32,798 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:32,842 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:49:32,842 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:49:32,842 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:49:32,850 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:49:32,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32 WrapperNode
[2023-11-19 07:49:32,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:32,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:32,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:49:32,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:49:32,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,945 INFO L138 Inliner]: procedures = 171, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 174
[2023-11-19 07:49:32,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:32,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:49:32,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:49:32,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:49:32,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:32,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:33,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:33,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:33,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:33,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:49:33,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:49:33,017 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:49:33,018 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:49:33,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (1/1) ...
[2023-11-19 07:49:33,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:49:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:49:33,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:49:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:49:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:49:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure thr2
[2023-11-19 07:49:33,099 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2
[2023-11-19 07:49:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2023-11-19 07:49:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2023-11-19 07:49:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:49:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-19 07:49:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:49:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:49:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:49:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:49:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-19 07:49:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:49:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:49:33,109 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:49:33,270 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:49:33,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:49:33,560 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:49:33,638 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:49:33,638 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:49:33,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:33 BoogieIcfgContainer
[2023-11-19 07:49:33,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:49:33,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:49:33,645 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:49:33,649 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:49:33,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:32" (1/3) ...
[2023-11-19 07:49:33,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb4044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:33, skipping insertion in model container
[2023-11-19 07:49:33,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:32" (2/3) ...
[2023-11-19 07:49:33,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edb4044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:33, skipping insertion in model container
[2023-11-19 07:49:33,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:33" (3/3) ...
[2023-11-19 07:49:33,652 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i
[2023-11-19 07:49:33,661 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:49:33,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:49:33,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations.
[2023-11-19 07:49:33,673 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:49:33,744 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-19 07:49:33,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 128 transitions, 270 flow
[2023-11-19 07:49:33,848 INFO L124 PetriNetUnfolderBase]: 8/126 cut-off events.
[2023-11-19 07:49:33,849 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:49:33,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 8/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 238 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place.
[2023-11-19 07:49:33,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 128 transitions, 270 flow
[2023-11-19 07:49:33,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 116 transitions, 241 flow
[2023-11-19 07:49:33,869 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:49:33,880 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 116 transitions, 241 flow
[2023-11-19 07:49:33,883 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 116 transitions, 241 flow
[2023-11-19 07:49:33,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 116 transitions, 241 flow
[2023-11-19 07:49:33,938 INFO L124 PetriNetUnfolderBase]: 8/116 cut-off events.
[2023-11-19 07:49:33,938 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:49:33,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 116 events. 8/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 239 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place.
[2023-11-19 07:49:33,948 INFO L119 LiptonReduction]: Number of co-enabled transitions 5180
[2023-11-19 07:49:36,241 INFO L134 LiptonReduction]: Checked pairs total: 17938
[2023-11-19 07:49:36,242 INFO L136 LiptonReduction]: Total number of compositions: 84
[2023-11-19 07:49:36,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:49:36,281 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c8764bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:49:36,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations.
[2023-11-19 07:49:36,287 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:49:36,287 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events.
[2023-11-19 07:49:36,287 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:49:36,288 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:36,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1]
[2023-11-19 07:49:36,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:36,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:36,296 INFO L85 PathProgramCache]: Analyzing trace with hash 566311, now seen corresponding path program 1 times
[2023-11-19 07:49:36,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:36,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920628365]
[2023-11-19 07:49:36,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:36,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:36,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920628365]
[2023-11-19 07:49:36,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920628365] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:36,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:36,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:49:36,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135364705]
[2023-11-19 07:49:36,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:36,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:49:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:36,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:49:36,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:49:36,562 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 212
[2023-11-19 07:49:36,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 55 transitions, 119 flow. Second operand has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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)
[2023-11-19 07:49:36,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:36,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 212
[2023-11-19 07:49:36,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:36,720 INFO L124 PetriNetUnfolderBase]: 373/792 cut-off events.
[2023-11-19 07:49:36,720 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES.
[2023-11-19 07:49:36,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1465 conditions, 792 events. 373/792 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3816 event pairs, 327 based on Foata normal form. 24/710 useless extension candidates. Maximal degree in co-relation 1356. Up to 637 conditions per place.
[2023-11-19 07:49:36,730 INFO L140 encePairwiseOnDemand]: 194/212 looper letters, 28 selfloop transitions, 0 changer transitions 0/37 dead transitions.
[2023-11-19 07:49:36,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 37 transitions, 139 flow
[2023-11-19 07:49:36,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:49:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:49:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 226 transitions.
[2023-11-19 07:49:36,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5330188679245284
[2023-11-19 07:49:36,746 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 226 transitions.
[2023-11-19 07:49:36,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 226 transitions.
[2023-11-19 07:49:36,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:36,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 226 transitions.
[2023-11-19 07:49:36,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 113.0) internal successors, (226), 2 states have internal predecessors, (226), 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)
[2023-11-19 07:49:36,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 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)
[2023-11-19 07:49:36,759 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 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)
[2023-11-19 07:49:36,761 INFO L175 Difference]: Start difference. First operand has 58 places, 55 transitions, 119 flow. Second operand 2 states and 226 transitions.
[2023-11-19 07:49:36,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 37 transitions, 139 flow
[2023-11-19 07:49:36,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 37 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places.
[2023-11-19 07:49:36,768 INFO L231 Difference]: Finished difference. Result has 40 places, 37 transitions, 78 flow
[2023-11-19 07:49:36,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=40, PETRI_TRANSITIONS=37}
[2023-11-19 07:49:36,774 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -18 predicate places.
[2023-11-19 07:49:36,775 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 78 flow
[2023-11-19 07:49:36,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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)
[2023-11-19 07:49:36,775 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:36,775 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:36,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:49:36,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:36,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1988204493, now seen corresponding path program 1 times
[2023-11-19 07:49:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:36,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935215004]
[2023-11-19 07:49:36,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:36,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:36,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935215004]
[2023-11-19 07:49:36,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935215004] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:36,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:36,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:49:36,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175898084]
[2023-11-19 07:49:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:36,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:49:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:49:36,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:49:36,951 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 212
[2023-11-19 07:49:36,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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)
[2023-11-19 07:49:36,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:36,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 212
[2023-11-19 07:49:36,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:37,149 INFO L124 PetriNetUnfolderBase]: 428/869 cut-off events.
[2023-11-19 07:49:37,151 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-19 07:49:37,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1626 conditions, 869 events. 428/869 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4141 event pairs, 339 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 1623. Up to 677 conditions per place.
[2023-11-19 07:49:37,159 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 41 selfloop transitions, 4 changer transitions 0/52 dead transitions.
[2023-11-19 07:49:37,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 52 transitions, 200 flow
[2023-11-19 07:49:37,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:49:37,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:49:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions.
[2023-11-19 07:49:37,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4591194968553459
[2023-11-19 07:49:37,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions.
[2023-11-19 07:49:37,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions.
[2023-11-19 07:49:37,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:37,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions.
[2023-11-19 07:49:37,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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)
[2023-11-19 07:49:37,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,179 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 78 flow. Second operand 3 states and 292 transitions.
[2023-11-19 07:49:37,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 52 transitions, 200 flow
[2023-11-19 07:49:37,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:49:37,182 INFO L231 Difference]: Finished difference. Result has 43 places, 40 transitions, 104 flow
[2023-11-19 07:49:37,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=43, PETRI_TRANSITIONS=40}
[2023-11-19 07:49:37,182 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -15 predicate places.
[2023-11-19 07:49:37,183 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 40 transitions, 104 flow
[2023-11-19 07:49:37,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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)
[2023-11-19 07:49:37,183 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:37,183 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:37,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:49:37,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:37,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:37,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1368495667, now seen corresponding path program 1 times
[2023-11-19 07:49:37,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:37,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809719124]
[2023-11-19 07:49:37,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:37,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:37,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:37,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809719124]
[2023-11-19 07:49:37,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809719124] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:37,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:37,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:49:37,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385850124]
[2023-11-19 07:49:37,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:37,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:49:37,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:37,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:49:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:49:37,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 212
[2023-11-19 07:49:37,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 40 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-11-19 07:49:37,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:37,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 212
[2023-11-19 07:49:37,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:37,495 INFO L124 PetriNetUnfolderBase]: 491/952 cut-off events.
[2023-11-19 07:49:37,495 INFO L125 PetriNetUnfolderBase]: For 84/90 co-relation queries the response was YES.
[2023-11-19 07:49:37,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1988 conditions, 952 events. 491/952 cut-off events. For 84/90 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4394 event pairs, 348 based on Foata normal form. 0/840 useless extension candidates. Maximal degree in co-relation 1983. Up to 718 conditions per place.
[2023-11-19 07:49:37,503 INFO L140 encePairwiseOnDemand]: 206/212 looper letters, 45 selfloop transitions, 7 changer transitions 0/58 dead transitions.
[2023-11-19 07:49:37,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 258 flow
[2023-11-19 07:49:37,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:49:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:49:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions.
[2023-11-19 07:49:37,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46226415094339623
[2023-11-19 07:49:37,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions.
[2023-11-19 07:49:37,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions.
[2023-11-19 07:49:37,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:37,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions.
[2023-11-19 07:49:37,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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)
[2023-11-19 07:49:37,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,511 INFO L175 Difference]: Start difference. First operand has 43 places, 40 transitions, 104 flow. Second operand 3 states and 294 transitions.
[2023-11-19 07:49:37,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 258 flow
[2023-11-19 07:49:37,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:49:37,517 INFO L231 Difference]: Finished difference. Result has 46 places, 45 transitions, 156 flow
[2023-11-19 07:49:37,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=46, PETRI_TRANSITIONS=45}
[2023-11-19 07:49:37,518 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -12 predicate places.
[2023-11-19 07:49:37,519 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 45 transitions, 156 flow
[2023-11-19 07:49:37,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-11-19 07:49:37,519 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:37,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:37,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:49:37,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:37,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash 595984447, now seen corresponding path program 1 times
[2023-11-19 07:49:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088148906]
[2023-11-19 07:49:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:37,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:37,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088148906]
[2023-11-19 07:49:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088148906] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:37,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:37,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:49:37,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459139616]
[2023-11-19 07:49:37,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:37,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:49:37,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:37,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:49:37,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:49:37,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 212
[2023-11-19 07:49:37,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 45 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-11-19 07:49:37,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:37,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 212
[2023-11-19 07:49:37,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:37,842 INFO L124 PetriNetUnfolderBase]: 566/1047 cut-off events.
[2023-11-19 07:49:37,842 INFO L125 PetriNetUnfolderBase]: For 423/453 co-relation queries the response was YES.
[2023-11-19 07:49:37,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2501 conditions, 1047 events. 566/1047 cut-off events. For 423/453 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4633 event pairs, 241 based on Foata normal form. 4/991 useless extension candidates. Maximal degree in co-relation 2495. Up to 511 conditions per place.
[2023-11-19 07:49:37,849 INFO L140 encePairwiseOnDemand]: 204/212 looper letters, 51 selfloop transitions, 7 changer transitions 13/76 dead transitions.
[2023-11-19 07:49:37,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 76 transitions, 389 flow
[2023-11-19 07:49:37,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:49:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:49:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions.
[2023-11-19 07:49:37,852 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48742138364779874
[2023-11-19 07:49:37,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions.
[2023-11-19 07:49:37,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions.
[2023-11-19 07:49:37,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:37,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions.
[2023-11-19 07:49:37,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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)
[2023-11-19 07:49:37,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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)
[2023-11-19 07:49:37,856 INFO L175 Difference]: Start difference. First operand has 46 places, 45 transitions, 156 flow. Second operand 3 states and 310 transitions.
[2023-11-19 07:49:37,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 76 transitions, 389 flow
[2023-11-19 07:49:37,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 76 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:49:37,862 INFO L231 Difference]: Finished difference. Result has 48 places, 46 transitions, 188 flow
[2023-11-19 07:49:37,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=48, PETRI_TRANSITIONS=46}
[2023-11-19 07:49:37,863 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -10 predicate places.
[2023-11-19 07:49:37,864 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 46 transitions, 188 flow
[2023-11-19 07:49:37,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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)
[2023-11-19 07:49:37,864 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:37,865 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:37,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:49:37,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:37,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1277718212, now seen corresponding path program 1 times
[2023-11-19 07:49:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813842257]
[2023-11-19 07:49:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:37,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:37,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813842257]
[2023-11-19 07:49:37,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813842257] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:37,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:37,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:49:37,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152962042]
[2023-11-19 07:49:37,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:38,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:49:38,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:38,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:49:38,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:49:38,021 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 212
[2023-11-19 07:49:38,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 46 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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)
[2023-11-19 07:49:38,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:38,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 212
[2023-11-19 07:49:38,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:38,457 INFO L124 PetriNetUnfolderBase]: 595/1152 cut-off events.
[2023-11-19 07:49:38,457 INFO L125 PetriNetUnfolderBase]: For 856/882 co-relation queries the response was YES.
[2023-11-19 07:49:38,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 1152 events. 595/1152 cut-off events. For 856/882 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5860 event pairs, 98 based on Foata normal form. 0/1088 useless extension candidates. Maximal degree in co-relation 2781. Up to 561 conditions per place.
[2023-11-19 07:49:38,465 INFO L140 encePairwiseOnDemand]: 203/212 looper letters, 58 selfloop transitions, 10 changer transitions 42/121 dead transitions.
[2023-11-19 07:49:38,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 121 transitions, 617 flow
[2023-11-19 07:49:38,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2023-11-19 07:49:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states.
[2023-11-19 07:49:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 966 transitions.
[2023-11-19 07:49:38,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4556603773584906
[2023-11-19 07:49:38,472 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 966 transitions.
[2023-11-19 07:49:38,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 966 transitions.
[2023-11-19 07:49:38,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:38,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 966 transitions.
[2023-11-19 07:49:38,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 96.6) internal successors, (966), 10 states have internal predecessors, (966), 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)
[2023-11-19 07:49:38,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 212.0) internal successors, (2332), 11 states have internal predecessors, (2332), 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)
[2023-11-19 07:49:38,484 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 212.0) internal successors, (2332), 11 states have internal predecessors, (2332), 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)
[2023-11-19 07:49:38,485 INFO L175 Difference]: Start difference. First operand has 48 places, 46 transitions, 188 flow. Second operand 10 states and 966 transitions.
[2023-11-19 07:49:38,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 121 transitions, 617 flow
[2023-11-19 07:49:38,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 121 transitions, 599 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:49:38,493 INFO L231 Difference]: Finished difference. Result has 63 places, 55 transitions, 260 flow
[2023-11-19 07:49:38,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=260, PETRI_PLACES=63, PETRI_TRANSITIONS=55}
[2023-11-19 07:49:38,497 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, 5 predicate places.
[2023-11-19 07:49:38,497 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 260 flow
[2023-11-19 07:49:38,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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)
[2023-11-19 07:49:38,498 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:49:38,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:38,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:49:38,499 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2023-11-19 07:49:38,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1625729872, now seen corresponding path program 2 times
[2023-11-19 07:49:38,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:38,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384670689]
[2023-11-19 07:49:38,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:49:38,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:38,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384670689]
[2023-11-19 07:49:38,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384670689] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:38,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:38,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:49:38,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68671402]
[2023-11-19 07:49:38,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:38,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:49:38,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:38,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:49:38,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:49:38,629 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 212
[2023-11-19 07:49:38,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 260 flow. Second operand has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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)
[2023-11-19 07:49:38,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:49:38,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 212
[2023-11-19 07:49:38,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:49:38,987 INFO L124 PetriNetUnfolderBase]: 444/813 cut-off events.
[2023-11-19 07:49:38,987 INFO L125 PetriNetUnfolderBase]: For 758/766 co-relation queries the response was YES.
[2023-11-19 07:49:38,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2368 conditions, 813 events. 444/813 cut-off events. For 758/766 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3439 event pairs, 53 based on Foata normal form. 0/797 useless extension candidates. Maximal degree in co-relation 2353. Up to 353 conditions per place.
[2023-11-19 07:49:38,992 INFO L140 encePairwiseOnDemand]: 203/212 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions.
[2023-11-19 07:49:38,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 113 transitions, 739 flow
[2023-11-19 07:49:38,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-19 07:49:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-19 07:49:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 868 transitions.
[2023-11-19 07:49:38,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4549266247379455
[2023-11-19 07:49:38,997 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 868 transitions.
[2023-11-19 07:49:38,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 868 transitions.
[2023-11-19 07:49:38,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:49:38,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 868 transitions.
[2023-11-19 07:49:39,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.44444444444444) internal successors, (868), 9 states have internal predecessors, (868), 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)
[2023-11-19 07:49:39,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 212.0) internal successors, (2120), 10 states have internal predecessors, (2120), 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)
[2023-11-19 07:49:39,007 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 212.0) internal successors, (2120), 10 states have internal predecessors, (2120), 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)
[2023-11-19 07:49:39,007 INFO L175 Difference]: Start difference. First operand has 63 places, 55 transitions, 260 flow. Second operand 9 states and 868 transitions.
[2023-11-19 07:49:39,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 113 transitions, 739 flow
[2023-11-19 07:49:39,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 113 transitions, 621 flow, removed 43 selfloop flow, removed 8 redundant places.
[2023-11-19 07:49:39,016 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow
[2023-11-19 07:49:39,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0}
[2023-11-19 07:49:39,018 INFO L281 CegarLoopForPetriNet]: 58 programPoint places, -2 predicate places.
[2023-11-19 07:49:39,018 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow
[2023-11-19 07:49:39,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.66666666666667) internal successors, (532), 6 states have internal predecessors, (532), 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)
[2023-11-19 07:49:39,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining)
[2023-11-19 07:49:39,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining)
[2023-11-19 07:49:39,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining)
[2023-11-19 07:49:39,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining)
[2023-11-19 07:49:39,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining)
[2023-11-19 07:49:39,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining)
[2023-11-19 07:49:39,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining)
[2023-11-19 07:49:39,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining)
[2023-11-19 07:49:39,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining)
[2023-11-19 07:49:39,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining)
[2023-11-19 07:49:39,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining)
[2023-11-19 07:49:39,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining)
[2023-11-19 07:49:39,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining)
[2023-11-19 07:49:39,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining)
[2023-11-19 07:49:39,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining)
[2023-11-19 07:49:39,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining)
[2023-11-19 07:49:39,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining)
[2023-11-19 07:49:39,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining)
[2023-11-19 07:49:39,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining)
[2023-11-19 07:49:39,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining)
[2023-11-19 07:49:39,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 40 remaining)
[2023-11-19 07:49:39,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 40 remaining)
[2023-11-19 07:49:39,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining)
[2023-11-19 07:49:39,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining)
[2023-11-19 07:49:39,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining)
[2023-11-19 07:49:39,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining)
[2023-11-19 07:49:39,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining)
[2023-11-19 07:49:39,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining)
[2023-11-19 07:49:39,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining)
[2023-11-19 07:49:39,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining)
[2023-11-19 07:49:39,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining)
[2023-11-19 07:49:39,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining)
[2023-11-19 07:49:39,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining)
[2023-11-19 07:49:39,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining)
[2023-11-19 07:49:39,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining)
[2023-11-19 07:49:39,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining)
[2023-11-19 07:49:39,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining)
[2023-11-19 07:49:39,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining)
[2023-11-19 07:49:39,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining)
[2023-11-19 07:49:39,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining)
[2023-11-19 07:49:39,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:49:39,032 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1]
[2023-11-19 07:49:39,039 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:49:39,040 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:49:39,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:39 BasicIcfg
[2023-11-19 07:49:39,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:49:39,056 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:49:39,057 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:49:39,057 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:49:39,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:33" (3/4) ...
[2023-11-19 07:49:39,060 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:49:39,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2
[2023-11-19 07:49:39,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1
[2023-11-19 07:49:39,069 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2023-11-19 07:49:39,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:49:39,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:49:39,070 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:49:39,161 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:49:39,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:49:39,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:49:39,163 INFO L158 Benchmark]: Toolchain (without parser) took 6896.33ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 81.7MB in the beginning and 159.5MB in the end (delta: -77.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:39,163 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:39,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.96ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 61.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.07ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 58.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,165 INFO L158 Benchmark]: Boogie Preprocessor took 67.40ms. Allocated memory is still 123.7MB. Free memory was 58.8MB in the beginning and 57.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,165 INFO L158 Benchmark]: RCFGBuilder took 625.40ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 120.9MB in the end (delta: -63.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,166 INFO L158 Benchmark]: TraceAbstraction took 5410.65ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 119.6MB in the beginning and 163.7MB in the end (delta: -44.1MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,166 INFO L158 Benchmark]: Witness Printer took 106.07ms. Allocated memory is still 195.0MB. Free memory was 163.7MB in the beginning and 159.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:49:39,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 579.96ms. Allocated memory is still 123.7MB. Free memory was 81.3MB in the beginning and 61.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 95.07ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 58.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 67.40ms. Allocated memory is still 123.7MB. Free memory was 58.8MB in the beginning and 57.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 625.40ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 57.1MB in the beginning and 120.9MB in the end (delta: -63.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 5410.65ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 119.6MB in the beginning and 163.7MB in the end (delta: -44.1MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB.
* Witness Printer took 106.07ms. Allocated memory is still 195.0MB. Free memory was 163.7MB in the beginning and 159.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.4s, 115 PlacesBefore, 58 PlacesAfterwards, 116 TransitionsBefore, 55 TransitionsAfterwards, 5180 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 84 TotalNumberOfCompositions, 17938 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8120, independent: 7693, independent conditional: 0, independent unconditional: 7693, dependent: 427, dependent conditional: 0, dependent unconditional: 427, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2829, independent: 2745, independent conditional: 0, independent unconditional: 2745, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8120, independent: 4948, independent conditional: 0, independent unconditional: 4948, dependent: 343, dependent conditional: 0, dependent unconditional: 343, unknown: 2829, unknown conditional: 0, unknown unconditional: 2829] , Statistics on independence cache: Total cache size (in pairs): 518, Positive cache size: 472, Positive conditional cache size: 0, Positive unconditional cache size: 472, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: 733]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 736]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 739]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 742]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 746]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 749]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 752]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 753]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 755]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 705]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 708]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 711]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 714]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 718]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 721]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 724]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 725]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 727]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 763]: there are no data races
For all program executions holds that there are no data races at this location
- PositiveResult [Line: 764]: 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 5 procedures, 191 locations, 40 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: 5.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 863 IncrementalHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 8 mSDtfsCounter, 863 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
20 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:49:39,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f53c26c-ca54-4a84-9801-d8e09b02012c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE