./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.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_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/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_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/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_16d684ee-f7e8-46d5-ac32-4ec12b54742e/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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:54:38,735 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:54:38,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-19 07:54:38,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:54:38,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:54:38,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:54:38,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:54:38,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:54:38,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:54:38,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:54:38,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:54:38,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:54:38,919 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:54:38,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:54:38,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:54:38,922 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:54:38,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:54:38,923 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:54:38,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:54:38,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:54:38,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:54:38,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:54:38,925 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2023-11-19 07:54:38,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:54:38,928 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:54:38,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:54:38,929 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:54:38,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:54:38,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:54:38,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:54:38,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:38,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:54:38,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:54:38,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:54:38,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:54:38,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:54:38,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:54:38,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:54:38,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:54:38,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:54:38,935 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:54:38,935 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_16d684ee-f7e8-46d5-ac32-4ec12b54742e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11
[2023-11-19 07:54:39,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:54:39,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:54:39,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:54:39,324 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:54:39,325 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:54:39,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i
[2023-11-19 07:54:42,427 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:54:42,915 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:54:42,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i
[2023-11-19 07:54:42,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/data/25bf3f00c/c5c44b81c2f34917af61046daefd607e/FLAG42b109d80
[2023-11-19 07:54:42,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/data/25bf3f00c/c5c44b81c2f34917af61046daefd607e
[2023-11-19 07:54:42,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:54:42,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:54:42,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:42,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:54:42,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:54:42,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:42" (1/1) ...
[2023-11-19 07:54:42,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b1eb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:42, skipping insertion in model container
[2023-11-19 07:54:42,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:42" (1/1) ...
[2023-11-19 07:54:43,072 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:54:43,994 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:44,010 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:54:44,099 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:54:44,256 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:44,262 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:44,262 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:44,263 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:54:44,281 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:54:44,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44 WrapperNode
[2023-11-19 07:54:44,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:54:44,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:44,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:54:44,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:54:44,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,375 INFO L138 Inliner]: procedures = 524, calls = 67, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 144
[2023-11-19 07:54:44,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:54:44,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:54:44,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:54:44,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:54:44,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:54:44,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:54:44,458 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:54:44,458 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:54:44,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (1/1) ...
[2023-11-19 07:54:44,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:54:44,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:54:44,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:54:44,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:54:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread
[2023-11-19 07:54:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread
[2023-11-19 07:54:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure sleep
[2023-11-19 07:54:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread
[2023-11-19 07:54:44,560 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread
[2023-11-19 07:54:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure strerror
[2023-11-19 07:54:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:54:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-19 07:54:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-19 07:54:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:54:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:54:44,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:54:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf
[2023-11-19 07:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock
[2023-11-19 07:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2023-11-19 07:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:54:44,566 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 07:54:44,885 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:54:44,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:54:45,218 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:54:45,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:54:45,233 INFO L302 CfgBuilder]: Removed 19 assume(true) statements.
[2023-11-19 07:54:45,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:45 BoogieIcfgContainer
[2023-11-19 07:54:45,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:54:45,241 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:54:45,242 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:54:45,245 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:54:45,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:42" (1/3) ...
[2023-11-19 07:54:45,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42468e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:45, skipping insertion in model container
[2023-11-19 07:54:45,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:44" (2/3) ...
[2023-11-19 07:54:45,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42468e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:45, skipping insertion in model container
[2023-11-19 07:54:45,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:45" (3/3) ...
[2023-11-19 07:54:45,249 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i
[2023-11-19 07:54:45,258 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-19 07:54:45,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:54:45,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations.
[2023-11-19 07:54:45,270 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:54:45,355 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-19 07:54:45,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 289 transitions, 592 flow
[2023-11-19 07:54:45,580 INFO L124 PetriNetUnfolderBase]: 31/287 cut-off events.
[2023-11-19 07:54:45,580 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:54:45,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 287 events. 31/287 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 734 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 185. Up to 5 conditions per place.
[2023-11-19 07:54:45,589 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 289 transitions, 592 flow
[2023-11-19 07:54:45,623 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 253 places, 275 transitions, 562 flow
[2023-11-19 07:54:45,627 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:54:45,637 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 275 transitions, 562 flow
[2023-11-19 07:54:45,641 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 275 transitions, 562 flow
[2023-11-19 07:54:45,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 253 places, 275 transitions, 562 flow
[2023-11-19 07:54:45,733 INFO L124 PetriNetUnfolderBase]: 29/275 cut-off events.
[2023-11-19 07:54:45,734 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-19 07:54:45,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 275 events. 29/275 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 710 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 185. Up to 5 conditions per place.
[2023-11-19 07:54:45,754 INFO L119 LiptonReduction]: Number of co-enabled transitions 21896
[2023-11-19 07:55:00,876 INFO L134 LiptonReduction]: Checked pairs total: 57861
[2023-11-19 07:55:00,876 INFO L136 LiptonReduction]: Total number of compositions: 264
[2023-11-19 07:55:00,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:55:00,902 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;@7561dc7f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:55:00,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations.
[2023-11-19 07:55:00,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:55:00,905 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events.
[2023-11-19 07:55:00,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:55:00,906 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:00,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:55:00,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:00,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:00,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1139, now seen corresponding path program 1 times
[2023-11-19 07:55:00,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122257719]
[2023-11-19 07:55:00,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:00,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:01,186 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 07:55:01,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:01,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122257719]
[2023-11-19 07:55:01,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122257719] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:01,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:01,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:55:01,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909631129]
[2023-11-19 07:55:01,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:01,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:55:01,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:01,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:55:01,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:55:01,241 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 553
[2023-11-19 07:55:01,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 89 transitions, 190 flow. Second operand has 2 states, 2 states have (on average 258.5) internal successors, (517), 2 states have internal predecessors, (517), 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 07:55:01,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:01,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 553
[2023-11-19 07:55:01,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:01,584 INFO L124 PetriNetUnfolderBase]: 882/1925 cut-off events.
[2023-11-19 07:55:01,585 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES.
[2023-11-19 07:55:01,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3306 conditions, 1925 events. 882/1925 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 12923 event pairs, 688 based on Foata normal form. 133/1494 useless extension candidates. Maximal degree in co-relation 3115. Up to 1349 conditions per place.
[2023-11-19 07:55:01,605 INFO L140 encePairwiseOnDemand]: 538/553 looper letters, 33 selfloop transitions, 0 changer transitions 1/55 dead transitions.
[2023-11-19 07:55:01,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 55 transitions, 190 flow
[2023-11-19 07:55:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:55:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:55:01,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 565 transitions.
[2023-11-19 07:55:01,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5108499095840868
[2023-11-19 07:55:01,631 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 565 transitions.
[2023-11-19 07:55:01,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 565 transitions.
[2023-11-19 07:55:01,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:01,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 565 transitions.
[2023-11-19 07:55:01,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 282.5) internal successors, (565), 2 states have internal predecessors, (565), 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 07:55:01,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 553.0) internal successors, (1659), 3 states have internal predecessors, (1659), 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 07:55:01,657 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 553.0) internal successors, (1659), 3 states have internal predecessors, (1659), 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 07:55:01,659 INFO L175 Difference]: Start difference. First operand has 74 places, 89 transitions, 190 flow. Second operand 2 states and 565 transitions.
[2023-11-19 07:55:01,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 55 transitions, 190 flow
[2023-11-19 07:55:01,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 182 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-11-19 07:55:01,668 INFO L231 Difference]: Finished difference. Result has 55 places, 54 transitions, 111 flow
[2023-11-19 07:55:01,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=111, PETRI_PLACES=55, PETRI_TRANSITIONS=54}
[2023-11-19 07:55:01,676 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -19 predicate places.
[2023-11-19 07:55:01,676 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 54 transitions, 111 flow
[2023-11-19 07:55:01,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 258.5) internal successors, (517), 2 states have internal predecessors, (517), 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 07:55:01,677 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:01,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:55:01,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:55:01,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:01,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:01,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1077087803, now seen corresponding path program 1 times
[2023-11-19 07:55:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:01,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206223873]
[2023-11-19 07:55:01,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:01,930 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 07:55:01,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206223873]
[2023-11-19 07:55:01,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206223873] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:01,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:01,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:01,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645427317]
[2023-11-19 07:55:01,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:01,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:01,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:01,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:01,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:01,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 553
[2023-11-19 07:55:01,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 54 transitions, 111 flow. Second operand has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 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 07:55:01,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:01,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 553
[2023-11-19 07:55:01,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:02,288 INFO L124 PetriNetUnfolderBase]: 1167/2261 cut-off events.
[2023-11-19 07:55:02,288 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES.
[2023-11-19 07:55:02,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4045 conditions, 2261 events. 1167/2261 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 14224 event pairs, 688 based on Foata normal form. 148/1766 useless extension candidates. Maximal degree in co-relation 4042. Up to 1348 conditions per place.
[2023-11-19 07:55:02,307 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 62 selfloop transitions, 3 changer transitions 1/81 dead transitions.
[2023-11-19 07:55:02,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 81 transitions, 298 flow
[2023-11-19 07:55:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 771 transitions.
[2023-11-19 07:55:02,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46473779385171793
[2023-11-19 07:55:02,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 771 transitions.
[2023-11-19 07:55:02,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 771 transitions.
[2023-11-19 07:55:02,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:02,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 771 transitions.
[2023-11-19 07:55:02,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 07:55:02,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:02,323 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:02,324 INFO L175 Difference]: Start difference. First operand has 55 places, 54 transitions, 111 flow. Second operand 3 states and 771 transitions.
[2023-11-19 07:55:02,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 81 transitions, 298 flow
[2023-11-19 07:55:02,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 81 transitions, 298 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:55:02,327 INFO L231 Difference]: Finished difference. Result has 54 places, 53 transitions, 122 flow
[2023-11-19 07:55:02,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=54, PETRI_TRANSITIONS=53}
[2023-11-19 07:55:02,328 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -20 predicate places.
[2023-11-19 07:55:02,329 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 53 transitions, 122 flow
[2023-11-19 07:55:02,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.66666666666666) internal successors, (707), 3 states have internal predecessors, (707), 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 07:55:02,330 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:02,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:55:02,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:55:02,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:02,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1077064036, now seen corresponding path program 1 times
[2023-11-19 07:55:02,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:02,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087728524]
[2023-11-19 07:55:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:02,406 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 07:55:02,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:02,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087728524]
[2023-11-19 07:55:02,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087728524] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:02,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:02,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:02,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515304414]
[2023-11-19 07:55:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:02,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:02,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:02,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:02,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 553
[2023-11-19 07:55:02,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 53 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 07:55:02,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:02,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 553
[2023-11-19 07:55:02,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:02,669 INFO L124 PetriNetUnfolderBase]: 920/1839 cut-off events.
[2023-11-19 07:55:02,669 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2023-11-19 07:55:02,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3350 conditions, 1839 events. 920/1839 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 11459 event pairs, 252 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 3346. Up to 1348 conditions per place.
[2023-11-19 07:55:02,685 INFO L140 encePairwiseOnDemand]: 549/553 looper letters, 42 selfloop transitions, 2 changer transitions 0/62 dead transitions.
[2023-11-19 07:55:02,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 62 transitions, 229 flow
[2023-11-19 07:55:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:02,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions.
[2023-11-19 07:55:02,689 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4816154309825196
[2023-11-19 07:55:02,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions.
[2023-11-19 07:55:02,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions.
[2023-11-19 07:55:02,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:02,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions.
[2023-11-19 07:55:02,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 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 07:55:02,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:02,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:02,701 INFO L175 Difference]: Start difference. First operand has 54 places, 53 transitions, 122 flow. Second operand 3 states and 799 transitions.
[2023-11-19 07:55:02,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 62 transitions, 229 flow
[2023-11-19 07:55:02,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 62 transitions, 229 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:55:02,705 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 132 flow
[2023-11-19 07:55:02,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=55, PETRI_TRANSITIONS=53}
[2023-11-19 07:55:02,706 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -19 predicate places.
[2023-11-19 07:55:02,707 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 132 flow
[2023-11-19 07:55:02,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 07:55:02,708 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:02,708 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:02,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:55:02,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:02,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:02,709 INFO L85 PathProgramCache]: Analyzing trace with hash -969739895, now seen corresponding path program 1 times
[2023-11-19 07:55:02,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:02,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116234525]
[2023-11-19 07:55:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:02,970 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 07:55:02,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:02,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116234525]
[2023-11-19 07:55:02,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116234525] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:02,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:02,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361524487]
[2023-11-19 07:55:02,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:02,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:02,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:02,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:02,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:03,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 553
[2023-11-19 07:55:03,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 07:55:03,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:03,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 553
[2023-11-19 07:55:03,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:03,268 INFO L124 PetriNetUnfolderBase]: 736/1327 cut-off events.
[2023-11-19 07:55:03,268 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES.
[2023-11-19 07:55:03,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2643 conditions, 1327 events. 736/1327 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7212 event pairs, 218 based on Foata normal form. 0/971 useless extension candidates. Maximal degree in co-relation 2638. Up to 618 conditions per place.
[2023-11-19 07:55:03,280 INFO L140 encePairwiseOnDemand]: 551/553 looper letters, 55 selfloop transitions, 1 changer transitions 0/74 dead transitions.
[2023-11-19 07:55:03,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 74 transitions, 296 flow
[2023-11-19 07:55:03,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 812 transitions.
[2023-11-19 07:55:03,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48945147679324896
[2023-11-19 07:55:03,284 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 812 transitions.
[2023-11-19 07:55:03,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 812 transitions.
[2023-11-19 07:55:03,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:03,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 812 transitions.
[2023-11-19 07:55:03,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.6666666666667) internal successors, (812), 3 states have internal predecessors, (812), 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 07:55:03,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:03,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:03,296 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 132 flow. Second operand 3 states and 812 transitions.
[2023-11-19 07:55:03,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 74 transitions, 296 flow
[2023-11-19 07:55:03,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 74 transitions, 296 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:55:03,300 INFO L231 Difference]: Finished difference. Result has 56 places, 52 transitions, 132 flow
[2023-11-19 07:55:03,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=56, PETRI_TRANSITIONS=52}
[2023-11-19 07:55:03,301 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -18 predicate places.
[2023-11-19 07:55:03,301 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 52 transitions, 132 flow
[2023-11-19 07:55:03,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 07:55:03,302 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:03,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:03,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:55:03,303 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:03,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash -881775814, now seen corresponding path program 1 times
[2023-11-19 07:55:03,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:03,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549181697]
[2023-11-19 07:55:03,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:03,379 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 07:55:03,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:03,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549181697]
[2023-11-19 07:55:03,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549181697] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:03,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:03,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:03,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661222635]
[2023-11-19 07:55:03,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:03,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:03,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:03,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:03,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:03,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 553
[2023-11-19 07:55:03,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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 07:55:03,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:03,404 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 553
[2023-11-19 07:55:03,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:03,858 INFO L124 PetriNetUnfolderBase]: 2160/3674 cut-off events.
[2023-11-19 07:55:03,858 INFO L125 PetriNetUnfolderBase]: For 408/408 co-relation queries the response was YES.
[2023-11-19 07:55:03,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7744 conditions, 3674 events. 2160/3674 cut-off events. For 408/408 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 19723 event pairs, 728 based on Foata normal form. 0/3047 useless extension candidates. Maximal degree in co-relation 7738. Up to 1729 conditions per place.
[2023-11-19 07:55:03,888 INFO L140 encePairwiseOnDemand]: 542/553 looper letters, 69 selfloop transitions, 8 changer transitions 0/87 dead transitions.
[2023-11-19 07:55:03,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 87 transitions, 364 flow
[2023-11-19 07:55:03,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions.
[2023-11-19 07:55:03,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4936708860759494
[2023-11-19 07:55:03,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions.
[2023-11-19 07:55:03,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions.
[2023-11-19 07:55:03,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:03,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions.
[2023-11-19 07:55:03,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 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 07:55:03,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:03,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:03,903 INFO L175 Difference]: Start difference. First operand has 56 places, 52 transitions, 132 flow. Second operand 3 states and 819 transitions.
[2023-11-19 07:55:03,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 87 transitions, 364 flow
[2023-11-19 07:55:03,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 87 transitions, 362 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:55:03,907 INFO L231 Difference]: Finished difference. Result has 59 places, 60 transitions, 201 flow
[2023-11-19 07:55:03,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=59, PETRI_TRANSITIONS=60}
[2023-11-19 07:55:03,908 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -15 predicate places.
[2023-11-19 07:55:03,909 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 60 transitions, 201 flow
[2023-11-19 07:55:03,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 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 07:55:03,910 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:03,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:03,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:55:03,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:03,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash -710054292, now seen corresponding path program 1 times
[2023-11-19 07:55:03,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:03,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485274339]
[2023-11-19 07:55:03,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:03,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:04,271 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 07:55:04,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485274339]
[2023-11-19 07:55:04,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485274339] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:04,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:04,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:04,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658002296]
[2023-11-19 07:55:04,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:04,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:04,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:04,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:04,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:04,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 553
[2023-11-19 07:55:04,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 60 transitions, 201 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 07:55:04,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:04,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 553
[2023-11-19 07:55:04,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:04,735 INFO L124 PetriNetUnfolderBase]: 1547/2861 cut-off events.
[2023-11-19 07:55:04,735 INFO L125 PetriNetUnfolderBase]: For 586/594 co-relation queries the response was YES.
[2023-11-19 07:55:04,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6570 conditions, 2861 events. 1547/2861 cut-off events. For 586/594 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 16394 event pairs, 990 based on Foata normal form. 0/2281 useless extension candidates. Maximal degree in co-relation 6563. Up to 2214 conditions per place.
[2023-11-19 07:55:04,760 INFO L140 encePairwiseOnDemand]: 551/553 looper letters, 46 selfloop transitions, 1 changer transitions 2/72 dead transitions.
[2023-11-19 07:55:04,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 72 transitions, 337 flow
[2023-11-19 07:55:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:04,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions.
[2023-11-19 07:55:04,764 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48342374924653403
[2023-11-19 07:55:04,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 802 transitions.
[2023-11-19 07:55:04,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 802 transitions.
[2023-11-19 07:55:04,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:04,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 802 transitions.
[2023-11-19 07:55:04,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 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 07:55:04,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:04,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:04,775 INFO L175 Difference]: Start difference. First operand has 59 places, 60 transitions, 201 flow. Second operand 3 states and 802 transitions.
[2023-11-19 07:55:04,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 72 transitions, 337 flow
[2023-11-19 07:55:04,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 72 transitions, 317 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-19 07:55:04,781 INFO L231 Difference]: Finished difference. Result has 58 places, 59 transitions, 185 flow
[2023-11-19 07:55:04,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=58, PETRI_TRANSITIONS=59}
[2023-11-19 07:55:04,783 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -16 predicate places.
[2023-11-19 07:55:04,783 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 59 transitions, 185 flow
[2023-11-19 07:55:04,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 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 07:55:04,784 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:04,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:04,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:55:04,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:04,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:04,785 INFO L85 PathProgramCache]: Analyzing trace with hash 228604556, now seen corresponding path program 1 times
[2023-11-19 07:55:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:04,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026361736]
[2023-11-19 07:55:04,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:04,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:04,852 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 07:55:04,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:04,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026361736]
[2023-11-19 07:55:04,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026361736] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:04,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:04,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:04,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679219784]
[2023-11-19 07:55:04,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:04,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:04,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:04,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:04,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 553
[2023-11-19 07:55:04,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 59 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 07:55:04,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:04,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 553
[2023-11-19 07:55:04,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:05,321 INFO L124 PetriNetUnfolderBase]: 2003/3471 cut-off events.
[2023-11-19 07:55:05,321 INFO L125 PetriNetUnfolderBase]: For 382/420 co-relation queries the response was YES.
[2023-11-19 07:55:05,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7925 conditions, 3471 events. 2003/3471 cut-off events. For 382/420 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 18899 event pairs, 1196 based on Foata normal form. 27/2711 useless extension candidates. Maximal degree in co-relation 7918. Up to 2822 conditions per place.
[2023-11-19 07:55:05,355 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 50 selfloop transitions, 9 changer transitions 5/81 dead transitions.
[2023-11-19 07:55:05,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 81 transitions, 371 flow
[2023-11-19 07:55:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 801 transitions.
[2023-11-19 07:55:05,360 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48282097649186256
[2023-11-19 07:55:05,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 801 transitions.
[2023-11-19 07:55:05,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 801 transitions.
[2023-11-19 07:55:05,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:05,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 801 transitions.
[2023-11-19 07:55:05,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.0) internal successors, (801), 3 states have internal predecessors, (801), 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 07:55:05,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:05,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:05,370 INFO L175 Difference]: Start difference. First operand has 58 places, 59 transitions, 185 flow. Second operand 3 states and 801 transitions.
[2023-11-19 07:55:05,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 81 transitions, 371 flow
[2023-11-19 07:55:05,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 81 transitions, 370 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:55:05,376 INFO L231 Difference]: Finished difference. Result has 60 places, 64 transitions, 246 flow
[2023-11-19 07:55:05,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=60, PETRI_TRANSITIONS=64}
[2023-11-19 07:55:05,378 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -14 predicate places.
[2023-11-19 07:55:05,379 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 64 transitions, 246 flow
[2023-11-19 07:55:05,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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 07:55:05,379 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:05,379 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:05,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:55:05,380 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:05,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:05,380 INFO L85 PathProgramCache]: Analyzing trace with hash 398964726, now seen corresponding path program 1 times
[2023-11-19 07:55:05,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:05,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723891558]
[2023-11-19 07:55:05,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:05,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:05,462 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 07:55:05,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:05,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723891558]
[2023-11-19 07:55:05,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723891558] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:05,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:05,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:55:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870609678]
[2023-11-19 07:55:05,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:05,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:55:05,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:05,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:55:05,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:55:05,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 553
[2023-11-19 07:55:05,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 64 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 07:55:05,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:05,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 553
[2023-11-19 07:55:05,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:06,040 INFO L124 PetriNetUnfolderBase]: 2032/3460 cut-off events.
[2023-11-19 07:55:06,040 INFO L125 PetriNetUnfolderBase]: For 1256/1362 co-relation queries the response was YES.
[2023-11-19 07:55:06,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8649 conditions, 3460 events. 2032/3460 cut-off events. For 1256/1362 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 18314 event pairs, 1184 based on Foata normal form. 11/2719 useless extension candidates. Maximal degree in co-relation 8641. Up to 2885 conditions per place.
[2023-11-19 07:55:06,064 INFO L140 encePairwiseOnDemand]: 548/553 looper letters, 53 selfloop transitions, 8 changer transitions 4/82 dead transitions.
[2023-11-19 07:55:06,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 82 transitions, 431 flow
[2023-11-19 07:55:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:55:06,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:55:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 798 transitions.
[2023-11-19 07:55:06,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4810126582278481
[2023-11-19 07:55:06,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 798 transitions.
[2023-11-19 07:55:06,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 798 transitions.
[2023-11-19 07:55:06,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:06,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 798 transitions.
[2023-11-19 07:55:06,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 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 07:55:06,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:06,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 553.0) internal successors, (2212), 4 states have internal predecessors, (2212), 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 07:55:06,133 INFO L175 Difference]: Start difference. First operand has 60 places, 64 transitions, 246 flow. Second operand 3 states and 798 transitions.
[2023-11-19 07:55:06,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 82 transitions, 431 flow
[2023-11-19 07:55:06,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 82 transitions, 420 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:55:06,140 INFO L231 Difference]: Finished difference. Result has 60 places, 68 transitions, 289 flow
[2023-11-19 07:55:06,141 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=60, PETRI_TRANSITIONS=68}
[2023-11-19 07:55:06,142 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -14 predicate places.
[2023-11-19 07:55:06,142 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 289 flow
[2023-11-19 07:55:06,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 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 07:55:06,143 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:06,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:06,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:55:06,143 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:06,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1254402035, now seen corresponding path program 1 times
[2023-11-19 07:55:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:06,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456824051]
[2023-11-19 07:55:06,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:06,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:06,305 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 07:55:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:06,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456824051]
[2023-11-19 07:55:06,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456824051] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:06,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:06,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:06,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044004860]
[2023-11-19 07:55:06,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:06,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:06,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:06,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:06,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:06,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 553
[2023-11-19 07:55:06,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 68 transitions, 289 flow. Second operand has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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 07:55:06,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:06,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 553
[2023-11-19 07:55:06,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:07,186 INFO L124 PetriNetUnfolderBase]: 3090/5430 cut-off events.
[2023-11-19 07:55:07,186 INFO L125 PetriNetUnfolderBase]: For 3252/3605 co-relation queries the response was YES.
[2023-11-19 07:55:07,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13578 conditions, 5430 events. 3090/5430 cut-off events. For 3252/3605 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 32621 event pairs, 648 based on Foata normal form. 229/4550 useless extension candidates. Maximal degree in co-relation 13569. Up to 1594 conditions per place.
[2023-11-19 07:55:07,229 INFO L140 encePairwiseOnDemand]: 546/553 looper letters, 97 selfloop transitions, 9 changer transitions 3/135 dead transitions.
[2023-11-19 07:55:07,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 135 transitions, 735 flow
[2023-11-19 07:55:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-19 07:55:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-19 07:55:07,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1316 transitions.
[2023-11-19 07:55:07,235 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4759493670886076
[2023-11-19 07:55:07,235 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1316 transitions.
[2023-11-19 07:55:07,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1316 transitions.
[2023-11-19 07:55:07,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:07,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1316 transitions.
[2023-11-19 07:55:07,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 263.2) internal successors, (1316), 5 states have internal predecessors, (1316), 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 07:55:07,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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 07:55:07,249 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 553.0) internal successors, (3318), 6 states have internal predecessors, (3318), 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 07:55:07,250 INFO L175 Difference]: Start difference. First operand has 60 places, 68 transitions, 289 flow. Second operand 5 states and 1316 transitions.
[2023-11-19 07:55:07,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 135 transitions, 735 flow
[2023-11-19 07:55:07,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 135 transitions, 721 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:55:07,262 INFO L231 Difference]: Finished difference. Result has 67 places, 76 transitions, 361 flow
[2023-11-19 07:55:07,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=361, PETRI_PLACES=67, PETRI_TRANSITIONS=76}
[2023-11-19 07:55:07,263 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -7 predicate places.
[2023-11-19 07:55:07,263 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 76 transitions, 361 flow
[2023-11-19 07:55:07,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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 07:55:07,264 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:07,264 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:07,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:55:07,265 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:07,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:07,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1632746287, now seen corresponding path program 2 times
[2023-11-19 07:55:07,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:07,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246499297]
[2023-11-19 07:55:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:07,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:55:07,466 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 07:55:07,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:55:07,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246499297]
[2023-11-19 07:55:07,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246499297] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:55:07,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:55:07,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:55:07,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207273352]
[2023-11-19 07:55:07,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:55:07,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:55:07,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:55:07,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:55:07,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:55:07,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 553
[2023-11-19 07:55:07,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 76 transitions, 361 flow. Second operand has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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 07:55:07,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:55:07,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 553
[2023-11-19 07:55:07,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:55:08,473 INFO L124 PetriNetUnfolderBase]: 3464/6095 cut-off events.
[2023-11-19 07:55:08,473 INFO L125 PetriNetUnfolderBase]: For 5186/5486 co-relation queries the response was YES.
[2023-11-19 07:55:08,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17577 conditions, 6095 events. 3464/6095 cut-off events. For 5186/5486 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 37401 event pairs, 644 based on Foata normal form. 152/5210 useless extension candidates. Maximal degree in co-relation 17565. Up to 2507 conditions per place.
[2023-11-19 07:55:08,522 INFO L140 encePairwiseOnDemand]: 544/553 looper letters, 80 selfloop transitions, 17 changer transitions 7/130 dead transitions.
[2023-11-19 07:55:08,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 130 transitions, 776 flow
[2023-11-19 07:55:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:55:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-19 07:55:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1061 transitions.
[2023-11-19 07:55:08,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47965641952983723
[2023-11-19 07:55:08,529 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1061 transitions.
[2023-11-19 07:55:08,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1061 transitions.
[2023-11-19 07:55:08,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:55:08,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1061 transitions.
[2023-11-19 07:55:08,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 265.25) internal successors, (1061), 4 states have internal predecessors, (1061), 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 07:55:08,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 553.0) internal successors, (2765), 5 states have internal predecessors, (2765), 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 07:55:08,541 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 553.0) internal successors, (2765), 5 states have internal predecessors, (2765), 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 07:55:08,541 INFO L175 Difference]: Start difference. First operand has 67 places, 76 transitions, 361 flow. Second operand 4 states and 1061 transitions.
[2023-11-19 07:55:08,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 130 transitions, 776 flow
[2023-11-19 07:55:08,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 130 transitions, 776 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:55:08,551 INFO L231 Difference]: Finished difference. Result has 73 places, 87 transitions, 506 flow
[2023-11-19 07:55:08,552 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=506, PETRI_PLACES=73, PETRI_TRANSITIONS=87}
[2023-11-19 07:55:08,553 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -1 predicate places.
[2023-11-19 07:55:08,554 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 87 transitions, 506 flow
[2023-11-19 07:55:08,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 249.75) internal successors, (999), 4 states have internal predecessors, (999), 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 07:55:08,555 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:55:08,555 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:08,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-19 07:55:08,555 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting monitor_threadErr4ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2023-11-19 07:55:08,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:55:08,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1952405520, now seen corresponding path program 1 times
[2023-11-19 07:55:08,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:55:08,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430830448]
[2023-11-19 07:55:08,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:55:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:55:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:55:08,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 07:55:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 07:55:08,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 07:55:08,661 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-19 07:55:08,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining)
[2023-11-19 07:55:08,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining)
[2023-11-19 07:55:08,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining)
[2023-11-19 07:55:08,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining)
[2023-11-19 07:55:08,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining)
[2023-11-19 07:55:08,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining)
[2023-11-19 07:55:08,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining)
[2023-11-19 07:55:08,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining)
[2023-11-19 07:55:08,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining)
[2023-11-19 07:55:08,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining)
[2023-11-19 07:55:08,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining)
[2023-11-19 07:55:08,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining)
[2023-11-19 07:55:08,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining)
[2023-11-19 07:55:08,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining)
[2023-11-19 07:55:08,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining)
[2023-11-19 07:55:08,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining)
[2023-11-19 07:55:08,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining)
[2023-11-19 07:55:08,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining)
[2023-11-19 07:55:08,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining)
[2023-11-19 07:55:08,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 31 remaining)
[2023-11-19 07:55:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 31 remaining)
[2023-11-19 07:55:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining)
[2023-11-19 07:55:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining)
[2023-11-19 07:55:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining)
[2023-11-19 07:55:08,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining)
[2023-11-19 07:55:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining)
[2023-11-19 07:55:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining)
[2023-11-19 07:55:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining)
[2023-11-19 07:55:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining)
[2023-11-19 07:55:08,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining)
[2023-11-19 07:55:08,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining)
[2023-11-19 07:55:08,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-19 07:55:08,676 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:55:08,683 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:55:08,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:55:08,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre53 could not be translated
[2023-11-19 07:55:08,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre57 could not be translated
[2023-11-19 07:55:08,743 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,744 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,747 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-19 07:55:08,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-19 07:55:08,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:08 BasicIcfg
[2023-11-19 07:55:08,769 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:55:08,769 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:55:08,770 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:55:08,770 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:55:08,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:45" (3/4) ...
[2023-11-19 07:55:08,774 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-19 07:55:08,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:55:08,776 INFO L158 Benchmark]: Toolchain (without parser) took 25808.13ms. Allocated memory was 176.2MB in the beginning and 289.4MB in the end (delta: 113.2MB). Free memory was 145.2MB in the beginning and 87.3MB in the end (delta: 57.9MB). Peak memory consumption was 171.8MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,776 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:55:08,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.23ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 135.2MB in the end (delta: 9.8MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.19ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 131.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,777 INFO L158 Benchmark]: Boogie Preprocessor took 81.01ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 128.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,778 INFO L158 Benchmark]: RCFGBuilder took 781.60ms. Allocated memory is still 176.2MB. Free memory was 128.1MB in the beginning and 98.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,778 INFO L158 Benchmark]: TraceAbstraction took 23527.57ms. Allocated memory was 176.2MB in the beginning and 289.4MB in the end (delta: 113.2MB). Free memory was 98.7MB in the beginning and 87.3MB in the end (delta: 11.4MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB.
[2023-11-19 07:55:08,779 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 289.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:55:08,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1311.23ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 135.2MB in the end (delta: 9.8MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 92.19ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 131.2MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 81.01ms. Allocated memory is still 176.2MB. Free memory was 131.2MB in the beginning and 128.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 781.60ms. Allocated memory is still 176.2MB. Free memory was 128.1MB in the beginning and 98.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 23527.57ms. Allocated memory was 176.2MB in the beginning and 289.4MB in the end (delta: 113.2MB). Free memory was 98.7MB in the beginning and 87.3MB in the end (delta: 11.4MB). Peak memory consumption was 127.8MB. Max. memory is 16.1GB.
* Witness Printer took 5.75ms. Allocated memory is still 289.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~pre53 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~pre57 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 15.2s, 253 PlacesBefore, 74 PlacesAfterwards, 275 TransitionsBefore, 89 TransitionsAfterwards, 21896 CoEnabledTransitionPairs, 8 FixpointIterations, 64 TrivialSequentialCompositions, 153 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 38 ConcurrentYvCompositions, 7 ChoiceCompositions, 264 TotalNumberOfCompositions, 57861 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29033, independent: 28331, independent conditional: 0, independent unconditional: 28331, dependent: 702, dependent conditional: 0, dependent unconditional: 702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13103, independent: 12995, independent conditional: 0, independent unconditional: 12995, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 29033, independent: 15336, independent conditional: 0, independent unconditional: 15336, dependent: 594, dependent conditional: 0, dependent unconditional: 594, unknown: 13103, unknown conditional: 0, unknown unconditional: 13103] , Statistics on independence cache: Total cache size (in pairs): 906, Positive cache size: 858, Positive conditional cache size: 0, Positive unconditional cache size: 858, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- DataRaceFoundResult [Line: 1830]: Data race detected
[2023-11-19 07:55:08,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre53 could not be translated
[2023-11-19 07:55:08,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre57 could not be translated
[2023-11-19 07:55:08,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-19 07:55:08,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-19 07:55:08,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre53 could not be translated
[2023-11-19 07:55:08,855 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre57 could not be translated
[2023-11-19 07:55:08,855 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,856 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,856 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret30 could not be translated
[2023-11-19 07:55:08,856 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-19 07:55:08,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post35 could not be translated
[2023-11-19 07:55:08,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
Data race detected
The following path leads to a data race:
[L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
[L1798] 0 long counter;
[L1799] 0 time_t end_time;
[L1836] 0 int status;
[L1837] 0 pthread_t counter_thread_id;
[L1838] 0 pthread_t monitor_thread_id;
[L1839] 0 end_time = time (((void *)0)) + 60
[L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))
VAL [\old(argc)=1150, arg={0:0}, argc=1150, argv={1152:1151}, argv={1152:1151}, counter=0, counter_thread_id={26:0}, end_time=1, monitor_thread_id={27:0}, mutex={25:0}]
[L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))
[L1841] COND FALSE 0 !(status != 0)
[L1801] 1 int status;
[L1802] 1 int spin;
VAL [arg={0:0}, arg={0:0}, counter=0, end_time=1, mutex={25:0}]
[L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0))
VAL [\old(argc)=1150, arg={0:0}, arg={0:0}, arg={0:0}, argc=1150, argv={1152:1151}, argv={1152:1151}, counter=0, counter_thread_id={26:0}, end_time=1, monitor_thread_id={27:0}, mutex={25:0}, status=0]
[L1803] 1 time (((void *)0)) < end_time
VAL [arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, mutex={25:0}]
[L1817] 2 int status;
[L1818] 2 int misses = 0;
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={25:0}]
[L1803] 1 time (((void *)0)) < end_time
[L1803] COND TRUE 1 time (((void *)0)) < end_time
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={25:0}]
[L1819] 2 time (((void *)0)) < end_time
[L1819] COND TRUE 2 time (((void *)0)) < end_time
[L1804] 1 status = pthread_mutex_lock (&mutex)
[L1805] COND FALSE 1 !(status != 0)
[L1807] 1 spin = 0
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={25:0}, spin=0, status=0]
[L1807] COND TRUE 1 spin < 10000000
[L1808] 1 counter++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=1, misses=0, mutex={25:0}, spin=0, status=0]
[L1821] 2 status = pthread_mutex_trylock (&mutex)
[L1822] COND FALSE 2 !(status != 16)
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=1, misses=0, mutex={25:0}, spin=0, status=0, status=16]
[L1830] 2 counter++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=1, misses=0, mutex={25:0}, spin=0, status=0, status=16]
[L1808] 1 counter++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=1, misses=0, mutex={25:0}, spin=0, status=0, status=16]
[L1830] 2 counter++
VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, end_time=1, misses=0, mutex={25:0}, spin=0, status=0, status=16]
Now there is a data race on ~counter~0 between
C: counter++ [1808]
and
C: counter++ [1830]
- UnprovableResult [Line: 1819]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1824]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1825]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1830]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1828]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1803]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1806]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1808]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1811]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1808]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1839]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1842]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1845]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1846]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1848]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1849]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1851]: Unable to prove that there are no data races
Unable to prove that there are no data races
Reason: Not analyzed.
- UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 5 procedures, 380 locations, 31 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: 23.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1092 IncrementalHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 54 mSDtfsCounter, 1092 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=506occurred in iteration=10, InterpolantAutomatonStates: 32, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 07:55:08,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d684ee-f7e8-46d5-ac32-4ec12b54742e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE