./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:59:05,507 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:59:05,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:59:05,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:59:05,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:59:05,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:59:05,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:59:05,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:59:05,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:59:05,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:59:05,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:59:05,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:59:05,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:59:05,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:59:05,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:59:05,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:59:05,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:59:05,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:59:05,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:59:05,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:59:05,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:59:05,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:59:05,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:59:05,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:59:05,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:59:05,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:59:05,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:59:05,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:59:05,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:59:05,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:59:05,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:59:05,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:59:05,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:59:05,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:59:05,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:59:05,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:59:05,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:59:05,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:59:05,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:59:05,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:59:05,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:59:05,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2022-11-02 20:59:05,692 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:59:05,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:59:05,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:59:05,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:59:05,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:59:05,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:59:05,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:59:05,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:59:05,696 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:59:05,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:59:05,698 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:59:05,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:59:05,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:59:05,698 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:59:05,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:59:05,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:59:05,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:59:05,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:59:05,700 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true
[2022-11-02 20:59:05,700 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:59:05,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:59:05,700 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:59:05,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:59:05,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:59:05,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:59:05,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:59:05,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:05,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:59:05,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:59:05,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:59:05,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:59:05,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:59:05,705 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:59:05,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:59:05,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:59:05,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b8fef41c3119c5f4fc9586ebd31a4ff7152be41d9f2f8da139e8cd34cf0da86
[2022-11-02 20:59:06,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:59:06,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:59:06,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:59:06,038 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:59:06,039 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:59:06,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2022-11-02 20:59:06,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/data/95ae8ba1d/c8c3ffbe7b2a408c908f16604a574bf2/FLAG390eff7ef
[2022-11-02 20:59:06,653 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:59:06,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c
[2022-11-02 20:59:06,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/data/95ae8ba1d/c8c3ffbe7b2a408c908f16604a574bf2/FLAG390eff7ef
[2022-11-02 20:59:06,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/data/95ae8ba1d/c8c3ffbe7b2a408c908f16604a574bf2
[2022-11-02 20:59:07,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:59:07,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:59:07,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:07,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:59:07,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:59:07,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5255d7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07, skipping insertion in model container
[2022-11-02 20:59:07,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:59:07,046 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:59:07,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385]
[2022-11-02 20:59:07,471 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:07,481 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:59:07,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c[4372,4385]
[2022-11-02 20:59:07,536 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:59:07,554 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:59:07,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07 WrapperNode
[2022-11-02 20:59:07,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:59:07,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:07,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:59:07,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:59:07,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,634 INFO L138 Inliner]: procedures = 29, calls = 95, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 494
[2022-11-02 20:59:07,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:59:07,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:59:07,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:59:07,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:59:07,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:59:07,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:59:07,695 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:59:07,695 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:59:07,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (1/1) ...
[2022-11-02 20:59:07,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:59:07,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:59:07,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:59:07,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89993636-71f3-4f85-aa1e-437cd59e5c0f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:59:07,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:59:07,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-02 20:59:07,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-02 20:59:07,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-02 20:59:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-02 20:59:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-11-02 20:59:07,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-11-02 20:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread4
[2022-11-02 20:59:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4
[2022-11-02 20:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread5
[2022-11-02 20:59:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5
[2022-11-02 20:59:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread6
[2022-11-02 20:59:07,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6
[2022-11-02 20:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-02 20:59:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:59:07,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:59:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:59:07,813 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:59:08,057 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:59:08,059 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:59:09,258 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:59:09,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:59:09,787 INFO L300 CfgBuilder]: Removed 5 assume(true) statements.
[2022-11-02 20:59:09,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:09 BoogieIcfgContainer
[2022-11-02 20:59:09,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:59:09,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:59:09,796 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:59:09,800 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:59:09,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:07" (1/3) ...
[2022-11-02 20:59:09,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a3fe06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:09, skipping insertion in model container
[2022-11-02 20:59:09,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07" (2/3) ...
[2022-11-02 20:59:09,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a3fe06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:09, skipping insertion in model container
[2022-11-02 20:59:09,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:09" (3/3) ...
[2022-11-02 20:59:09,806 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c
[2022-11-02 20:59:09,816 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:59:09,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:59:09,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations.
[2022-11-02 20:59:09,828 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:59:09,983 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions.
[2022-11-02 20:59:10,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 433 transitions, 938 flow
[2022-11-02 20:59:10,307 INFO L130 PetriNetUnfolder]: 18/393 cut-off events.
[2022-11-02 20:59:10,308 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2022-11-02 20:59:10,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 393 events. 18/393 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 801 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 331. Up to 3 conditions per place.
[2022-11-02 20:59:10,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 433 transitions, 938 flow
[2022-11-02 20:59:10,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 377 places, 375 transitions, 798 flow
[2022-11-02 20:59:10,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:59:10,366 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7383dace, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:59:10,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 147 error locations.
[2022-11-02 20:59:10,370 INFO L130 PetriNetUnfolder]: 0/28 cut-off events.
[2022-11-02 20:59:10,371 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:59:10,371 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:10,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:10,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:10,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:10,378 INFO L85 PathProgramCache]: Analyzing trace with hash -171364854, now seen corresponding path program 1 times
[2022-11-02 20:59:10,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:10,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262531189]
[2022-11-02 20:59:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:10,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:10,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:10,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262531189]
[2022-11-02 20:59:10,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262531189] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:10,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:10,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:10,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470486017]
[2022-11-02 20:59:10,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:10,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:10,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:10,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:10,725 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 437
[2022-11-02 20:59:10,735 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 375 transitions, 798 flow. Second operand has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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)
[2022-11-02 20:59:10,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:10,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 437
[2022-11-02 20:59:10,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:12,041 INFO L130 PetriNetUnfolder]: 1084/3018 cut-off events.
[2022-11-02 20:59:12,042 INFO L131 PetriNetUnfolder]: For 695/1051 co-relation queries the response was YES.
[2022-11-02 20:59:12,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5146 conditions, 3018 events. 1084/3018 cut-off events. For 695/1051 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 19781 event pairs, 627 based on Foata normal form. 308/2966 useless extension candidates. Maximal degree in co-relation 4721. Up to 1454 conditions per place.
[2022-11-02 20:59:12,096 INFO L137 encePairwiseOnDemand]: 370/437 looper letters, 39 selfloop transitions, 2 changer transitions 3/310 dead transitions.
[2022-11-02 20:59:12,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 310 transitions, 750 flow
[2022-11-02 20:59:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1069 transitions.
[2022-11-02 20:59:12,122 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8154080854309688
[2022-11-02 20:59:12,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1069 transitions.
[2022-11-02 20:59:12,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1069 transitions.
[2022-11-02 20:59:12,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:12,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1069 transitions.
[2022-11-02 20:59:12,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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)
[2022-11-02 20:59:12,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:12,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:12,153 INFO L175 Difference]: Start difference. First operand has 377 places, 375 transitions, 798 flow. Second operand 3 states and 1069 transitions.
[2022-11-02 20:59:12,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 310 transitions, 750 flow
[2022-11-02 20:59:12,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 310 transitions, 718 flow, removed 0 selfloop flow, removed 12 redundant places.
[2022-11-02 20:59:12,180 INFO L231 Difference]: Finished difference. Result has 310 places, 307 transitions, 634 flow
[2022-11-02 20:59:12,183 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=310, PETRI_TRANSITIONS=307}
[2022-11-02 20:59:12,187 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -67 predicate places.
[2022-11-02 20:59:12,187 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 307 transitions, 634 flow
[2022-11-02 20:59:12,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 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)
[2022-11-02 20:59:12,188 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:12,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:12,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:59:12,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:12,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -391755992, now seen corresponding path program 1 times
[2022-11-02 20:59:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:12,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553424697]
[2022-11-02 20:59:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:12,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:12,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553424697]
[2022-11-02 20:59:12,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553424697] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:12,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:12,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:12,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129088794]
[2022-11-02 20:59:12,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:12,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:12,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:12,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:12,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:12,337 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 437
[2022-11-02 20:59:12,339 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 307 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:12,339 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:12,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 437
[2022-11-02 20:59:12,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:13,383 INFO L130 PetriNetUnfolder]: 1084/3014 cut-off events.
[2022-11-02 20:59:13,384 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:13,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4642 conditions, 3014 events. 1084/3014 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 19785 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4605. Up to 1451 conditions per place.
[2022-11-02 20:59:13,430 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 36 selfloop transitions, 2 changer transitions 0/306 dead transitions.
[2022-11-02 20:59:13,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 306 transitions, 708 flow
[2022-11-02 20:59:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions.
[2022-11-02 20:59:13,434 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7711670480549199
[2022-11-02 20:59:13,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions.
[2022-11-02 20:59:13,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions.
[2022-11-02 20:59:13,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:13,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions.
[2022-11-02 20:59:13,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 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)
[2022-11-02 20:59:13,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:13,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:13,444 INFO L175 Difference]: Start difference. First operand has 310 places, 307 transitions, 634 flow. Second operand 3 states and 1011 transitions.
[2022-11-02 20:59:13,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 306 transitions, 708 flow
[2022-11-02 20:59:13,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 704 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:13,452 INFO L231 Difference]: Finished difference. Result has 306 places, 306 transitions, 632 flow
[2022-11-02 20:59:13,453 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=306, PETRI_TRANSITIONS=306}
[2022-11-02 20:59:13,454 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -71 predicate places.
[2022-11-02 20:59:13,454 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 306 transitions, 632 flow
[2022-11-02 20:59:13,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:13,455 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:13,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:13,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:59:13,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:13,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:13,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2068387316, now seen corresponding path program 1 times
[2022-11-02 20:59:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:13,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803824216]
[2022-11-02 20:59:13,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:13,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:13,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:13,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803824216]
[2022-11-02 20:59:13,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803824216] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:13,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:13,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:13,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801593161]
[2022-11-02 20:59:13,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:13,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:13,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:13,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:13,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:13,521 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:13,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 306 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:13,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:13,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:13,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:14,427 INFO L130 PetriNetUnfolder]: 1084/3013 cut-off events.
[2022-11-02 20:59:14,427 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:14,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4638 conditions, 3013 events. 1084/3013 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 19806 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4594. Up to 1448 conditions per place.
[2022-11-02 20:59:14,471 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/305 dead transitions.
[2022-11-02 20:59:14,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 305 transitions, 700 flow
[2022-11-02 20:59:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:14,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:14,475 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:14,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:14,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:14,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:14,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:14,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:14,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:14,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:14,487 INFO L175 Difference]: Start difference. First operand has 306 places, 306 transitions, 632 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:14,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 305 transitions, 700 flow
[2022-11-02 20:59:14,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 305 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:14,494 INFO L231 Difference]: Finished difference. Result has 305 places, 305 transitions, 630 flow
[2022-11-02 20:59:14,495 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=305, PETRI_TRANSITIONS=305}
[2022-11-02 20:59:14,498 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -72 predicate places.
[2022-11-02 20:59:14,498 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 305 transitions, 630 flow
[2022-11-02 20:59:14,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:14,499 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:14,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:14,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:59:14,500 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:14,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1864584977, now seen corresponding path program 1 times
[2022-11-02 20:59:14,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:14,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031865515]
[2022-11-02 20:59:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:14,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:14,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031865515]
[2022-11-02 20:59:14,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031865515] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:14,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:14,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:14,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957830459]
[2022-11-02 20:59:14,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:14,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:14,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:14,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:14,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:14,599 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:14,601 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 305 transitions, 630 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:14,601 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:14,601 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:14,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:15,533 INFO L130 PetriNetUnfolder]: 1084/3012 cut-off events.
[2022-11-02 20:59:15,535 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:15,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4637 conditions, 3012 events. 1084/3012 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19874 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4586. Up to 1448 conditions per place.
[2022-11-02 20:59:15,588 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/304 dead transitions.
[2022-11-02 20:59:15,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 304 transitions, 698 flow
[2022-11-02 20:59:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:15,592 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:15,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:15,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:15,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:15,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:15,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:15,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:15,608 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:15,609 INFO L175 Difference]: Start difference. First operand has 305 places, 305 transitions, 630 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:15,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 304 transitions, 698 flow
[2022-11-02 20:59:15,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 304 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:15,618 INFO L231 Difference]: Finished difference. Result has 304 places, 304 transitions, 628 flow
[2022-11-02 20:59:15,619 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=304, PETRI_TRANSITIONS=304}
[2022-11-02 20:59:15,621 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -73 predicate places.
[2022-11-02 20:59:15,621 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 304 transitions, 628 flow
[2022-11-02 20:59:15,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:15,622 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:15,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:15,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:59:15,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:15,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1874259606, now seen corresponding path program 1 times
[2022-11-02 20:59:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:15,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182920222]
[2022-11-02 20:59:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:15,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:15,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182920222]
[2022-11-02 20:59:15,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182920222] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:15,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:15,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:15,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722026]
[2022-11-02 20:59:15,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:15,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:15,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:15,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:15,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:15,728 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:15,730 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 304 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:15,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:15,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:15,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:16,478 INFO L130 PetriNetUnfolder]: 1084/3011 cut-off events.
[2022-11-02 20:59:16,478 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:16,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4636 conditions, 3011 events. 1084/3011 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19894 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4578. Up to 1448 conditions per place.
[2022-11-02 20:59:16,518 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/303 dead transitions.
[2022-11-02 20:59:16,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 303 transitions, 696 flow
[2022-11-02 20:59:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:16,522 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:16,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:16,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:16,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:16,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:16,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:16,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:16,530 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:16,530 INFO L175 Difference]: Start difference. First operand has 304 places, 304 transitions, 628 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:16,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 303 transitions, 696 flow
[2022-11-02 20:59:16,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 303 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:16,537 INFO L231 Difference]: Finished difference. Result has 303 places, 303 transitions, 626 flow
[2022-11-02 20:59:16,538 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=303, PETRI_TRANSITIONS=303}
[2022-11-02 20:59:16,538 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -74 predicate places.
[2022-11-02 20:59:16,539 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 303 transitions, 626 flow
[2022-11-02 20:59:16,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:16,540 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:16,540 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:16,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:59:16,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:16,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:16,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1721828031, now seen corresponding path program 1 times
[2022-11-02 20:59:16,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:16,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768606895]
[2022-11-02 20:59:16,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:16,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:16,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768606895]
[2022-11-02 20:59:16,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768606895] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:16,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:16,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:16,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003869289]
[2022-11-02 20:59:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:16,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:16,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:16,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:16,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:16,588 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 437
[2022-11-02 20:59:16,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:16,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:16,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 437
[2022-11-02 20:59:16,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:17,286 INFO L130 PetriNetUnfolder]: 1084/3010 cut-off events.
[2022-11-02 20:59:17,286 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:17,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4637 conditions, 3010 events. 1084/3010 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 19772 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4572. Up to 1450 conditions per place.
[2022-11-02 20:59:17,323 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 35 selfloop transitions, 2 changer transitions 0/302 dead transitions.
[2022-11-02 20:59:17,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 698 flow
[2022-11-02 20:59:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions.
[2022-11-02 20:59:17,327 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7704042715484363
[2022-11-02 20:59:17,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:17,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:17,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:17,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:17,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 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)
[2022-11-02 20:59:17,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:17,334 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:17,334 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 626 flow. Second operand 3 states and 1010 transitions.
[2022-11-02 20:59:17,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 698 flow
[2022-11-02 20:59:17,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 694 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:17,345 INFO L231 Difference]: Finished difference. Result has 302 places, 302 transitions, 624 flow
[2022-11-02 20:59:17,346 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=302, PETRI_TRANSITIONS=302}
[2022-11-02 20:59:17,349 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -75 predicate places.
[2022-11-02 20:59:17,349 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 302 transitions, 624 flow
[2022-11-02 20:59:17,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:17,350 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:17,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:17,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:59:17,351 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:17,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:17,351 INFO L85 PathProgramCache]: Analyzing trace with hash 278129398, now seen corresponding path program 1 times
[2022-11-02 20:59:17,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:17,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097529259]
[2022-11-02 20:59:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:17,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:17,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:17,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097529259]
[2022-11-02 20:59:17,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097529259] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:17,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:17,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4019129]
[2022-11-02 20:59:17,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:17,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:17,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:17,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:17,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:17,445 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:17,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 302 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:17,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:17,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:17,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:18,162 INFO L130 PetriNetUnfolder]: 1084/3009 cut-off events.
[2022-11-02 20:59:18,162 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:18,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4634 conditions, 3009 events. 1084/3009 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 19783 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4562. Up to 1448 conditions per place.
[2022-11-02 20:59:18,197 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/301 dead transitions.
[2022-11-02 20:59:18,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 301 transitions, 692 flow
[2022-11-02 20:59:18,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:18,201 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:18,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:18,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:18,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:18,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:18,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:18,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:18,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:18,208 INFO L175 Difference]: Start difference. First operand has 302 places, 302 transitions, 624 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:18,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 301 transitions, 692 flow
[2022-11-02 20:59:18,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 301 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:18,213 INFO L231 Difference]: Finished difference. Result has 301 places, 301 transitions, 622 flow
[2022-11-02 20:59:18,214 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=301, PETRI_TRANSITIONS=301}
[2022-11-02 20:59:18,215 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -76 predicate places.
[2022-11-02 20:59:18,215 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 301 transitions, 622 flow
[2022-11-02 20:59:18,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:18,216 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:18,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:18,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:59:18,216 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:18,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:18,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1876043237, now seen corresponding path program 1 times
[2022-11-02 20:59:18,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:18,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164659624]
[2022-11-02 20:59:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:18,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:18,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164659624]
[2022-11-02 20:59:18,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164659624] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:18,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:18,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:18,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124744802]
[2022-11-02 20:59:18,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:18,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:18,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:18,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:18,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:18,299 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:18,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 301 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:18,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:18,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:18,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:19,061 INFO L130 PetriNetUnfolder]: 1084/3008 cut-off events.
[2022-11-02 20:59:19,061 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:19,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4633 conditions, 3008 events. 1084/3008 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 19862 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4554. Up to 1448 conditions per place.
[2022-11-02 20:59:19,103 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/300 dead transitions.
[2022-11-02 20:59:19,104 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 690 flow
[2022-11-02 20:59:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:19,107 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:19,108 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:19,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:19,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:19,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:19,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:19,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:19,116 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:19,116 INFO L175 Difference]: Start difference. First operand has 301 places, 301 transitions, 622 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:19,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 690 flow
[2022-11-02 20:59:19,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 300 transitions, 686 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:19,124 INFO L231 Difference]: Finished difference. Result has 300 places, 300 transitions, 620 flow
[2022-11-02 20:59:19,125 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=300, PETRI_TRANSITIONS=300}
[2022-11-02 20:59:19,126 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -77 predicate places.
[2022-11-02 20:59:19,126 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 300 transitions, 620 flow
[2022-11-02 20:59:19,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:19,127 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:19,127 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:19,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:59:19,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:19,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:19,128 INFO L85 PathProgramCache]: Analyzing trace with hash 191684090, now seen corresponding path program 1 times
[2022-11-02 20:59:19,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:19,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521885002]
[2022-11-02 20:59:19,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521885002]
[2022-11-02 20:59:19,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521885002] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:19,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:19,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:19,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466862430]
[2022-11-02 20:59:19,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:19,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:19,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:19,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:19,180 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:19,182 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 300 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:19,182 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:19,182 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:19,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:20,064 INFO L130 PetriNetUnfolder]: 1084/3007 cut-off events.
[2022-11-02 20:59:20,065 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:20,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4632 conditions, 3007 events. 1084/3007 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 19841 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4546. Up to 1448 conditions per place.
[2022-11-02 20:59:20,113 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/299 dead transitions.
[2022-11-02 20:59:20,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 299 transitions, 688 flow
[2022-11-02 20:59:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:20,120 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:20,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:20,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:20,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:20,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:20,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:20,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:20,141 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:20,142 INFO L175 Difference]: Start difference. First operand has 300 places, 300 transitions, 620 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:20,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 299 transitions, 688 flow
[2022-11-02 20:59:20,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 299 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:20,150 INFO L231 Difference]: Finished difference. Result has 299 places, 299 transitions, 618 flow
[2022-11-02 20:59:20,151 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=299, PETRI_TRANSITIONS=299}
[2022-11-02 20:59:20,153 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -78 predicate places.
[2022-11-02 20:59:20,153 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 299 transitions, 618 flow
[2022-11-02 20:59:20,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:20,154 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:20,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:20,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:59:20,155 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:20,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:20,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1342019700, now seen corresponding path program 1 times
[2022-11-02 20:59:20,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:20,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697395598]
[2022-11-02 20:59:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:20,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:20,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:20,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697395598]
[2022-11-02 20:59:20,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697395598] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:20,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:20,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:20,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167954867]
[2022-11-02 20:59:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:20,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:20,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:20,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:20,248 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 437
[2022-11-02 20:59:20,250 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 299 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:20,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:20,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 437
[2022-11-02 20:59:20,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:20,994 INFO L130 PetriNetUnfolder]: 1084/3005 cut-off events.
[2022-11-02 20:59:20,994 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:21,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4631 conditions, 3005 events. 1084/3005 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 19872 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4537. Up to 1448 conditions per place.
[2022-11-02 20:59:21,029 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 35 selfloop transitions, 1 changer transitions 0/297 dead transitions.
[2022-11-02 20:59:21,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 297 transitions, 686 flow
[2022-11-02 20:59:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions.
[2022-11-02 20:59:21,032 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7704042715484363
[2022-11-02 20:59:21,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:21,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:21,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:21,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions.
[2022-11-02 20:59:21,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 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)
[2022-11-02 20:59:21,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:21,039 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:21,040 INFO L175 Difference]: Start difference. First operand has 299 places, 299 transitions, 618 flow. Second operand 3 states and 1010 transitions.
[2022-11-02 20:59:21,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 297 transitions, 686 flow
[2022-11-02 20:59:21,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 297 transitions, 682 flow, removed 0 selfloop flow, removed 2 redundant places.
[2022-11-02 20:59:21,046 INFO L231 Difference]: Finished difference. Result has 297 places, 297 transitions, 612 flow
[2022-11-02 20:59:21,046 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=297, PETRI_TRANSITIONS=297}
[2022-11-02 20:59:21,047 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -80 predicate places.
[2022-11-02 20:59:21,047 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 297 transitions, 612 flow
[2022-11-02 20:59:21,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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)
[2022-11-02 20:59:21,048 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:21,048 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:21,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:59:21,049 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:21,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1945328250, now seen corresponding path program 1 times
[2022-11-02 20:59:21,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:21,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668887477]
[2022-11-02 20:59:21,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:21,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:21,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668887477]
[2022-11-02 20:59:21,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668887477] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:21,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:21,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:59:21,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893079383]
[2022-11-02 20:59:21,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:21,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:59:21,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:21,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:59:21,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:59:21,108 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 437
[2022-11-02 20:59:21,109 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 297 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:21,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:21,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 437
[2022-11-02 20:59:21,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2022-11-02 20:59:21,676 INFO L130 PetriNetUnfolder]: 1084/3004 cut-off events.
[2022-11-02 20:59:21,677 INFO L131 PetriNetUnfolder]: For 171/527 co-relation queries the response was YES.
[2022-11-02 20:59:21,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4628 conditions, 3004 events. 1084/3004 cut-off events. For 171/527 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19800 event pairs, 627 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 4535. Up to 1448 conditions per place.
[2022-11-02 20:59:21,702 INFO L137 encePairwiseOnDemand]: 434/437 looper letters, 33 selfloop transitions, 2 changer transitions 0/296 dead transitions.
[2022-11-02 20:59:21,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 296 transitions, 680 flow
[2022-11-02 20:59:21,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:59:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2022-11-02 20:59:21,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1017 transitions.
[2022-11-02 20:59:21,706 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7757437070938215
[2022-11-02 20:59:21,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:21,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:21,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:59:21,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1017 transitions.
[2022-11-02 20:59:21,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2022-11-02 20:59:21,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:21,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 437.0) internal successors, (1748), 4 states have internal predecessors, (1748), 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)
[2022-11-02 20:59:21,714 INFO L175 Difference]: Start difference. First operand has 297 places, 297 transitions, 612 flow. Second operand 3 states and 1017 transitions.
[2022-11-02 20:59:21,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 296 transitions, 680 flow
[2022-11-02 20:59:21,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 679 flow, removed 0 selfloop flow, removed 1 redundant places.
[2022-11-02 20:59:21,720 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 613 flow
[2022-11-02 20:59:21,720 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=437, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=613, PETRI_PLACES=297, PETRI_TRANSITIONS=296}
[2022-11-02 20:59:21,721 INFO L287 CegarLoopForPetriNet]: 377 programPoint places, -80 predicate places.
[2022-11-02 20:59:21,721 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 613 flow
[2022-11-02 20:59:21,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 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)
[2022-11-02 20:59:21,722 INFO L200 CegarLoopForPetriNet]: Found error trace
[2022-11-02 20:59:21,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:59:21,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:59:21,723 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 143 more)] ===
[2022-11-02 20:59:21,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:59:21,723 INFO L85 PathProgramCache]: Analyzing trace with hash 277735129, now seen corresponding path program 1 times
[2022-11-02 20:59:21,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:59:21,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177631296]
[2022-11-02 20:59:21,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:59:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:59:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:59:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:59:22,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:59:22,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177631296]
[2022-11-02 20:59:22,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177631296] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:59:22,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:59:22,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:59:22,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847489251]
[2022-11-02 20:59:22,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:59:22,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:59:22,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:59:22,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:59:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:59:22,262 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 437
[2022-11-02 20:59:22,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 613 flow. Second operand has 6 states, 6 states have (on average 269.8333333333333) internal successors, (1619), 6 states have internal predecessors, (1619), 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)
[2022-11-02 20:59:22,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2022-11-02 20:59:22,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 437
[2022-11-02 20:59:22,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand