./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8 --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 a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 --- 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-e04fb08 [2022-11-16 11:09:46,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:46,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:46,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:46,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:46,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:46,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:46,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:46,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:46,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:46,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:46,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:46,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:46,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:46,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:46,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:46,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:46,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:46,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:46,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:46,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:46,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:46,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:46,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:46,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:46,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:46,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:46,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:46,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:46,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:46,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:46,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:46,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:46,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:46,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:46,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:46,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:46,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:46,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:46,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:46,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:46,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:09:46,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:46,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:46,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:46,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:46,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:09:46,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:09:46,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:46,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:46,857 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:46,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:46,857 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:09:46,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:09:46,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:09:46,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:09:46,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:46,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:09:46,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:09:46,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:09:46,859 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:09:46,859 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:09:46,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:46,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:46,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:09:46,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:46,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:46,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:09:46,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:46,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:46,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:09:46,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:09:46,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:09:46,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:09:46,862 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:09:46,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:09:46,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:09:46,863 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_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 [2022-11-16 11:09:47,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:47,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:47,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:47,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:47,163 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:47,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2022-11-16 11:09:47,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/data/4f747aaae/1730611e934f453981bb613a881f2fc3/FLAGce5d3868c [2022-11-16 11:09:47,885 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:47,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2022-11-16 11:09:47,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/data/4f747aaae/1730611e934f453981bb613a881f2fc3/FLAGce5d3868c [2022-11-16 11:09:48,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/data/4f747aaae/1730611e934f453981bb613a881f2fc3 [2022-11-16 11:09:48,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:48,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:48,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:48,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:48,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:48,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:48,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70335e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48, skipping insertion in model container [2022-11-16 11:09:48,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:48,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:48,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:48,722 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30307,30320] [2022-11-16 11:09:48,726 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30489,30502] [2022-11-16 11:09:48,730 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30660,30673] [2022-11-16 11:09:48,738 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31038,31051] [2022-11-16 11:09:48,745 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31460,31473] [2022-11-16 11:09:48,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:48,768 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:48,824 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30307,30320] [2022-11-16 11:09:48,826 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30489,30502] [2022-11-16 11:09:48,830 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[30660,30673] [2022-11-16 11:09:48,834 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31038,31051] [2022-11-16 11:09:48,839 WARN L229 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_4a49edf0-48f3-455a-acc1-e93908ee7521/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i[31460,31473] [2022-11-16 11:09:48,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:48,889 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:48,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48 WrapperNode [2022-11-16 11:09:48,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:48,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:48,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:48,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:48,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:48,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:48,983 INFO L138 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 22, calls inlined = 33, statements flattened = 303 [2022-11-16 11:09:48,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:48,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:48,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:48,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:49,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:49,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:49,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:49,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:49,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (1/1) ... [2022-11-16 11:09:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:49,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:49,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a49edf0-48f3-455a-acc1-e93908ee7521/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-16 11:09:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-16 11:09:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:09:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:09:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:09:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:09:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:49,136 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:09:49,338 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:49,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:09:49,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:09:49,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:09:49,973 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 11:09:49,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:49 BoogieIcfgContainer [2022-11-16 11:09:49,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:09:49,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:09:49,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:09:49,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:09:49,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:09:48" (1/3) ... [2022-11-16 11:09:49,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ac7673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:49, skipping insertion in model container [2022-11-16 11:09:49,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:48" (2/3) ... [2022-11-16 11:09:49,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ac7673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:09:49, skipping insertion in model container [2022-11-16 11:09:49,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:09:49" (3/3) ... [2022-11-16 11:09:49,997 INFO L112 eAbstractionObserver]: Analyzing ICFG 41_FreeBSD_abd_kbd_sliced.i [2022-11-16 11:09:50,006 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:09:50,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:09:50,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-11-16 11:09:50,020 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:09:50,099 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:09:50,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 205 transitions, 415 flow [2022-11-16 11:09:50,208 INFO L130 PetriNetUnfolder]: 20/216 cut-off events. [2022-11-16 11:09:50,208 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:09:50,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 216 events. 20/216 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 666 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 187. Up to 7 conditions per place. [2022-11-16 11:09:50,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 189 places, 205 transitions, 415 flow [2022-11-16 11:09:50,222 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 205 transitions, 415 flow [2022-11-16 11:09:50,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:09:50,240 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;@781f10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:09:50,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2022-11-16 11:09:50,251 INFO L130 PetriNetUnfolder]: 3/51 cut-off events. [2022-11-16 11:09:50,251 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:09:50,251 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:50,252 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:50,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2022-11-16 11:09:50,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:50,259 INFO L85 PathProgramCache]: Analyzing trace with hash -736790484, now seen corresponding path program 1 times [2022-11-16 11:09:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:50,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484154008] [2022-11-16 11:09:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:50,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:50,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:50,483 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:09:50,486 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2022-11-16 11:09:50,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2022-11-16 11:09:50,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2022-11-16 11:09:50,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2022-11-16 11:09:50,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2022-11-16 11:09:50,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2022-11-16 11:09:50,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2022-11-16 11:09:50,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2022-11-16 11:09:50,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2022-11-16 11:09:50,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2022-11-16 11:09:50,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2022-11-16 11:09:50,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2022-11-16 11:09:50,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2022-11-16 11:09:50,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2022-11-16 11:09:50,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2022-11-16 11:09:50,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2022-11-16 11:09:50,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2022-11-16 11:09:50,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2022-11-16 11:09:50,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2022-11-16 11:09:50,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2022-11-16 11:09:50,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2022-11-16 11:09:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2022-11-16 11:09:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2022-11-16 11:09:50,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2022-11-16 11:09:50,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2022-11-16 11:09:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2022-11-16 11:09:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2022-11-16 11:09:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2022-11-16 11:09:50,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2022-11-16 11:09:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2022-11-16 11:09:50,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2022-11-16 11:09:50,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2022-11-16 11:09:50,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2022-11-16 11:09:50,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2022-11-16 11:09:50,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2022-11-16 11:09:50,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2022-11-16 11:09:50,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2022-11-16 11:09:50,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2022-11-16 11:09:50,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2022-11-16 11:09:50,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2022-11-16 11:09:50,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2022-11-16 11:09:50,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2022-11-16 11:09:50,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2022-11-16 11:09:50,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2022-11-16 11:09:50,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2022-11-16 11:09:50,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 81 remaining) [2022-11-16 11:09:50,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 81 remaining) [2022-11-16 11:09:50,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 81 remaining) [2022-11-16 11:09:50,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2022-11-16 11:09:50,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2022-11-16 11:09:50,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2022-11-16 11:09:50,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2022-11-16 11:09:50,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2022-11-16 11:09:50,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2022-11-16 11:09:50,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2022-11-16 11:09:50,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2022-11-16 11:09:50,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2022-11-16 11:09:50,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2022-11-16 11:09:50,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2022-11-16 11:09:50,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2022-11-16 11:09:50,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2022-11-16 11:09:50,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2022-11-16 11:09:50,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2022-11-16 11:09:50,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2022-11-16 11:09:50,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2022-11-16 11:09:50,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2022-11-16 11:09:50,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2022-11-16 11:09:50,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2022-11-16 11:09:50,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2022-11-16 11:09:50,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2022-11-16 11:09:50,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2022-11-16 11:09:50,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2022-11-16 11:09:50,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2022-11-16 11:09:50,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2022-11-16 11:09:50,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2022-11-16 11:09:50,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2022-11-16 11:09:50,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2022-11-16 11:09:50,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2022-11-16 11:09:50,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2022-11-16 11:09:50,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2022-11-16 11:09:50,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2022-11-16 11:09:50,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:09:50,538 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:09:50,547 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-16 11:09:50,555 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-16 11:09:50,678 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:09:50,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 348 places, 380 transitions, 772 flow [2022-11-16 11:09:50,852 INFO L130 PetriNetUnfolder]: 39/404 cut-off events. [2022-11-16 11:09:50,852 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:09:50,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 404 events. 39/404 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1875 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 361. Up to 7 conditions per place. [2022-11-16 11:09:50,867 INFO L82 GeneralOperation]: Start removeDead. Operand has 348 places, 380 transitions, 772 flow [2022-11-16 11:09:50,881 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 348 places, 380 transitions, 772 flow [2022-11-16 11:09:50,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:09:50,885 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;@781f10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:09:50,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2022-11-16 11:09:50,899 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-11-16 11:09:50,899 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:09:50,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:50,900 INFO L209 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] [2022-11-16 11:09:50,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-11-16 11:09:50,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:50,901 INFO L85 PathProgramCache]: Analyzing trace with hash 548035989, now seen corresponding path program 1 times [2022-11-16 11:09:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:50,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887678241] [2022-11-16 11:09:50,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:50,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:51,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:51,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887678241] [2022-11-16 11:09:51,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887678241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:51,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:51,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:09:51,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040036113] [2022-11-16 11:09:51,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:51,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:09:51,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:09:51,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:09:51,048 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 380 [2022-11-16 11:09:51,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 380 transitions, 772 flow. Second operand has 2 states, 2 states have (on average 269.0) internal successors, (538), 2 states have internal predecessors, (538), 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) [2022-11-16 11:09:51,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:51,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 380 [2022-11-16 11:09:51,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:51,549 INFO L130 PetriNetUnfolder]: 294/2074 cut-off events. [2022-11-16 11:09:51,549 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:09:51,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 2074 events. 294/2074 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 19238 event pairs, 143 based on Foata normal form. 390/2075 useless extension candidates. Maximal degree in co-relation 311. Up to 370 conditions per place. [2022-11-16 11:09:51,573 INFO L137 encePairwiseOnDemand]: 306/380 looper letters, 28 selfloop transitions, 0 changer transitions 0/287 dead transitions. [2022-11-16 11:09:51,573 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 287 transitions, 642 flow [2022-11-16 11:09:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:09:51,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-16 11:09:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 638 transitions. [2022-11-16 11:09:51,595 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8394736842105263 [2022-11-16 11:09:51,595 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 638 transitions. [2022-11-16 11:09:51,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 638 transitions. [2022-11-16 11:09:51,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:51,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 638 transitions. [2022-11-16 11:09:51,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 319.0) internal successors, (638), 2 states have internal predecessors, (638), 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) [2022-11-16 11:09:51,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 380.0) internal successors, (1140), 3 states have internal predecessors, (1140), 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) [2022-11-16 11:09:51,616 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 380.0) internal successors, (1140), 3 states have internal predecessors, (1140), 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) [2022-11-16 11:09:51,618 INFO L175 Difference]: Start difference. First operand has 348 places, 380 transitions, 772 flow. Second operand 2 states and 638 transitions. [2022-11-16 11:09:51,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 287 transitions, 642 flow [2022-11-16 11:09:51,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 287 transitions, 640 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-11-16 11:09:51,633 INFO L231 Difference]: Finished difference. Result has 275 places, 287 transitions, 584 flow [2022-11-16 11:09:51,635 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=584, PETRI_PLACES=275, PETRI_TRANSITIONS=287} [2022-11-16 11:09:51,641 INFO L288 CegarLoopForPetriNet]: 348 programPoint places, -73 predicate places. [2022-11-16 11:09:51,641 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 287 transitions, 584 flow [2022-11-16 11:09:51,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 269.0) internal successors, (538), 2 states have internal predecessors, (538), 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) [2022-11-16 11:09:51,642 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:51,642 INFO L209 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] [2022-11-16 11:09:51,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:09:51,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-11-16 11:09:51,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1618338373, now seen corresponding path program 1 times [2022-11-16 11:09:51,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597931838] [2022-11-16 11:09:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597931838] [2022-11-16 11:09:51,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597931838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:51,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:51,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:51,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220350934] [2022-11-16 11:09:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:51,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:51,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:51,786 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 380 [2022-11-16 11:09:51,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 287 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-16 11:09:51,787 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:51,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 380 [2022-11-16 11:09:51,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:52,989 INFO L130 PetriNetUnfolder]: 1456/6898 cut-off events. [2022-11-16 11:09:52,992 INFO L131 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2022-11-16 11:09:53,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 6898 events. 1456/6898 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 76023 event pairs, 192 based on Foata normal form. 0/5439 useless extension candidates. Maximal degree in co-relation 9228. Up to 1467 conditions per place. [2022-11-16 11:09:53,131 INFO L137 encePairwiseOnDemand]: 324/380 looper letters, 59 selfloop transitions, 46 changer transitions 0/334 dead transitions. [2022-11-16 11:09:53,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 334 transitions, 893 flow [2022-11-16 11:09:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:53,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:09:53,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 829 transitions. [2022-11-16 11:09:53,134 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7271929824561404 [2022-11-16 11:09:53,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 829 transitions. [2022-11-16 11:09:53,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 829 transitions. [2022-11-16 11:09:53,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:09:53,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 829 transitions. [2022-11-16 11:09:53,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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) [2022-11-16 11:09:53,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 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) [2022-11-16 11:09:53,142 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 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) [2022-11-16 11:09:53,142 INFO L175 Difference]: Start difference. First operand has 275 places, 287 transitions, 584 flow. Second operand 3 states and 829 transitions. [2022-11-16 11:09:53,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 334 transitions, 893 flow [2022-11-16 11:09:53,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 334 transitions, 893 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:09:53,151 INFO L231 Difference]: Finished difference. Result has 279 places, 333 transitions, 972 flow [2022-11-16 11:09:53,151 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=972, PETRI_PLACES=279, PETRI_TRANSITIONS=333} [2022-11-16 11:09:53,152 INFO L288 CegarLoopForPetriNet]: 348 programPoint places, -69 predicate places. [2022-11-16 11:09:53,152 INFO L495 AbstractCegarLoop]: Abstraction has has 279 places, 333 transitions, 972 flow [2022-11-16 11:09:53,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.33333333333334) internal successors, (718), 3 states have internal predecessors, (718), 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) [2022-11-16 11:09:53,153 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:53,153 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:53,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:09:53,154 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2022-11-16 11:09:53,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:53,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1494390202, now seen corresponding path program 1 times [2022-11-16 11:09:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:53,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286840660] [2022-11-16 11:09:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:53,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:09:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:09:53,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:09:53,191 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:09:53,192 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (120 of 121 remaining) [2022-11-16 11:09:53,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2022-11-16 11:09:53,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2022-11-16 11:09:53,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2022-11-16 11:09:53,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2022-11-16 11:09:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2022-11-16 11:09:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2022-11-16 11:09:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2022-11-16 11:09:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2022-11-16 11:09:53,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2022-11-16 11:09:53,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2022-11-16 11:09:53,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2022-11-16 11:09:53,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2022-11-16 11:09:53,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2022-11-16 11:09:53,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2022-11-16 11:09:53,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2022-11-16 11:09:53,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2022-11-16 11:09:53,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2022-11-16 11:09:53,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2022-11-16 11:09:53,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2022-11-16 11:09:53,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2022-11-16 11:09:53,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2022-11-16 11:09:53,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2022-11-16 11:09:53,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2022-11-16 11:09:53,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2022-11-16 11:09:53,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2022-11-16 11:09:53,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2022-11-16 11:09:53,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2022-11-16 11:09:53,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2022-11-16 11:09:53,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2022-11-16 11:09:53,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2022-11-16 11:09:53,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2022-11-16 11:09:53,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2022-11-16 11:09:53,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2022-11-16 11:09:53,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2022-11-16 11:09:53,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2022-11-16 11:09:53,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2022-11-16 11:09:53,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2022-11-16 11:09:53,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2022-11-16 11:09:53,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2022-11-16 11:09:53,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2022-11-16 11:09:53,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2022-11-16 11:09:53,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2022-11-16 11:09:53,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2022-11-16 11:09:53,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2022-11-16 11:09:53,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2022-11-16 11:09:53,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2022-11-16 11:09:53,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2022-11-16 11:09:53,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2022-11-16 11:09:53,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2022-11-16 11:09:53,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2022-11-16 11:09:53,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2022-11-16 11:09:53,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2022-11-16 11:09:53,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2022-11-16 11:09:53,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2022-11-16 11:09:53,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2022-11-16 11:09:53,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2022-11-16 11:09:53,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2022-11-16 11:09:53,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2022-11-16 11:09:53,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2022-11-16 11:09:53,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2022-11-16 11:09:53,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2022-11-16 11:09:53,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2022-11-16 11:09:53,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2022-11-16 11:09:53,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2022-11-16 11:09:53,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (55 of 121 remaining) [2022-11-16 11:09:53,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (54 of 121 remaining) [2022-11-16 11:09:53,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (53 of 121 remaining) [2022-11-16 11:09:53,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (52 of 121 remaining) [2022-11-16 11:09:53,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2022-11-16 11:09:53,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2022-11-16 11:09:53,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2022-11-16 11:09:53,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2022-11-16 11:09:53,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2022-11-16 11:09:53,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2022-11-16 11:09:53,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2022-11-16 11:09:53,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2022-11-16 11:09:53,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2022-11-16 11:09:53,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2022-11-16 11:09:53,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2022-11-16 11:09:53,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2022-11-16 11:09:53,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2022-11-16 11:09:53,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2022-11-16 11:09:53,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2022-11-16 11:09:53,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2022-11-16 11:09:53,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2022-11-16 11:09:53,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2022-11-16 11:09:53,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2022-11-16 11:09:53,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2022-11-16 11:09:53,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2022-11-16 11:09:53,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2022-11-16 11:09:53,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2022-11-16 11:09:53,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2022-11-16 11:09:53,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2022-11-16 11:09:53,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2022-11-16 11:09:53,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2022-11-16 11:09:53,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2022-11-16 11:09:53,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2022-11-16 11:09:53,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2022-11-16 11:09:53,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2022-11-16 11:09:53,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2022-11-16 11:09:53,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2022-11-16 11:09:53,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2022-11-16 11:09:53,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2022-11-16 11:09:53,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2022-11-16 11:09:53,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2022-11-16 11:09:53,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2022-11-16 11:09:53,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2022-11-16 11:09:53,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2022-11-16 11:09:53,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2022-11-16 11:09:53,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2022-11-16 11:09:53,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2022-11-16 11:09:53,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2022-11-16 11:09:53,218 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2022-11-16 11:09:53,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2022-11-16 11:09:53,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2022-11-16 11:09:53,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2022-11-16 11:09:53,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2022-11-16 11:09:53,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2022-11-16 11:09:53,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2022-11-16 11:09:53,220 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2022-11-16 11:09:53,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:09:53,221 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 11:09:53,221 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-16 11:09:53,221 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-16 11:09:53,302 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:09:53,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 507 places, 555 transitions, 1131 flow [2022-11-16 11:09:53,532 INFO L130 PetriNetUnfolder]: 58/592 cut-off events. [2022-11-16 11:09:53,533 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-16 11:09:53,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 592 events. 58/592 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3241 event pairs, 0 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 535. Up to 8 conditions per place. [2022-11-16 11:09:53,555 INFO L82 GeneralOperation]: Start removeDead. Operand has 507 places, 555 transitions, 1131 flow [2022-11-16 11:09:53,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 507 places, 555 transitions, 1131 flow [2022-11-16 11:09:53,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:09:53,577 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;@781f10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:09:53,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 161 error locations. [2022-11-16 11:09:53,583 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-11-16 11:09:53,583 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 11:09:53,583 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:09:53,583 INFO L209 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] [2022-11-16 11:09:53,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2022-11-16 11:09:53,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:53,584 INFO L85 PathProgramCache]: Analyzing trace with hash 761772359, now seen corresponding path program 1 times [2022-11-16 11:09:53,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:09:53,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905221465] [2022-11-16 11:09:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:53,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:09:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:09:53,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:09:53,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905221465] [2022-11-16 11:09:53,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905221465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:53,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:53,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:09:53,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670907107] [2022-11-16 11:09:53,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:53,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:09:53,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:09:53,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:09:53,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:09:53,665 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 388 out of 555 [2022-11-16 11:09:53,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 555 transitions, 1131 flow. Second operand has 2 states, 2 states have (on average 389.0) internal successors, (778), 2 states have internal predecessors, (778), 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) [2022-11-16 11:09:53,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:09:53,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 388 of 555 [2022-11-16 11:09:53,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:09:59,849 INFO L130 PetriNetUnfolder]: 6228/28587 cut-off events. [2022-11-16 11:09:59,850 INFO L131 PetriNetUnfolder]: For 1414/1414 co-relation queries the response was YES. [2022-11-16 11:10:00,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36958 conditions, 28587 events. 6228/28587 cut-off events. For 1414/1414 co-relation queries the response was YES. Maximal size of possible extension queue 1098. Compared 408138 event pairs, 3894 based on Foata normal form. 6644/30304 useless extension candidates. Maximal degree in co-relation 2516. Up to 7266 conditions per place. [2022-11-16 11:10:00,352 INFO L137 encePairwiseOnDemand]: 445/555 looper letters, 42 selfloop transitions, 0 changer transitions 0/419 dead transitions. [2022-11-16 11:10:00,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 419 transitions, 943 flow [2022-11-16 11:10:00,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:10:00,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-16 11:10:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 928 transitions. [2022-11-16 11:10:00,357 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.836036036036036 [2022-11-16 11:10:00,357 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 928 transitions. [2022-11-16 11:10:00,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 928 transitions. [2022-11-16 11:10:00,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:10:00,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 928 transitions. [2022-11-16 11:10:00,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 464.0) internal successors, (928), 2 states have internal predecessors, (928), 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) [2022-11-16 11:10:00,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2022-11-16 11:10:00,365 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 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) [2022-11-16 11:10:00,366 INFO L175 Difference]: Start difference. First operand has 507 places, 555 transitions, 1131 flow. Second operand 2 states and 928 transitions. [2022-11-16 11:10:00,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 419 transitions, 943 flow [2022-11-16 11:10:00,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 419 transitions, 937 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-11-16 11:10:00,383 INFO L231 Difference]: Finished difference. Result has 400 places, 419 transitions, 853 flow [2022-11-16 11:10:00,384 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=555, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=853, PETRI_PLACES=400, PETRI_TRANSITIONS=419} [2022-11-16 11:10:00,386 INFO L288 CegarLoopForPetriNet]: 507 programPoint places, -107 predicate places. [2022-11-16 11:10:00,387 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 419 transitions, 853 flow [2022-11-16 11:10:00,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 389.0) internal successors, (778), 2 states have internal predecessors, (778), 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) [2022-11-16 11:10:00,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:10:00,388 INFO L209 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] [2022-11-16 11:10:00,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:10:00,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2022-11-16 11:10:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:00,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1918868045, now seen corresponding path program 1 times [2022-11-16 11:10:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:00,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509852219] [2022-11-16 11:10:00,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:00,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:00,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509852219] [2022-11-16 11:10:00,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509852219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:00,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:00,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:10:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624678793] [2022-11-16 11:10:00,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:00,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:00,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:00,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:00,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:00,481 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 555 [2022-11-16 11:10:00,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 419 transitions, 853 flow. Second operand has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2022-11-16 11:10:00,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:10:00,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 555 [2022-11-16 11:10:00,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:10:34,744 INFO L130 PetriNetUnfolder]: 94616/272193 cut-off events. [2022-11-16 11:10:34,744 INFO L131 PetriNetUnfolder]: For 3001/3001 co-relation queries the response was YES. [2022-11-16 11:10:36,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398926 conditions, 272193 events. 94616/272193 cut-off events. For 3001/3001 co-relation queries the response was YES. Maximal size of possible extension queue 8985. Compared 4369098 event pairs, 18441 based on Foata normal form. 0/209155 useless extension candidates. Maximal degree in co-relation 398920. Up to 84263 conditions per place. [2022-11-16 11:10:38,717 INFO L137 encePairwiseOnDemand]: 471/555 looper letters, 89 selfloop transitions, 69 changer transitions 0/490 dead transitions. [2022-11-16 11:10:38,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 490 transitions, 1321 flow [2022-11-16 11:10:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:10:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1202 transitions. [2022-11-16 11:10:38,726 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.721921921921922 [2022-11-16 11:10:38,726 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1202 transitions. [2022-11-16 11:10:38,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1202 transitions. [2022-11-16 11:10:38,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:10:38,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1202 transitions. [2022-11-16 11:10:38,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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) [2022-11-16 11:10:38,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 555.0) internal successors, (2220), 4 states have internal predecessors, (2220), 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) [2022-11-16 11:10:38,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 555.0) internal successors, (2220), 4 states have internal predecessors, (2220), 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) [2022-11-16 11:10:38,741 INFO L175 Difference]: Start difference. First operand has 400 places, 419 transitions, 853 flow. Second operand 3 states and 1202 transitions. [2022-11-16 11:10:38,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 490 transitions, 1321 flow [2022-11-16 11:10:38,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 490 transitions, 1321 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:10:38,756 INFO L231 Difference]: Finished difference. Result has 404 places, 488 transitions, 1435 flow [2022-11-16 11:10:38,757 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=555, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1435, PETRI_PLACES=404, PETRI_TRANSITIONS=488} [2022-11-16 11:10:38,761 INFO L288 CegarLoopForPetriNet]: 507 programPoint places, -103 predicate places. [2022-11-16 11:10:38,762 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 488 transitions, 1435 flow [2022-11-16 11:10:38,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2022-11-16 11:10:38,763 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:10:38,763 INFO L209 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] [2022-11-16 11:10:38,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:10:38,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err7ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2022-11-16 11:10:38,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:38,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1795312089, now seen corresponding path program 1 times [2022-11-16 11:10:38,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:38,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082382155] [2022-11-16 11:10:38,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:38,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:38,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:10:38,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082382155] [2022-11-16 11:10:38,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082382155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:38,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:38,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:10:38,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734601800] [2022-11-16 11:10:38,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:38,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:38,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:10:38,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:38,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:38,822 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 555 [2022-11-16 11:10:38,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 488 transitions, 1435 flow. Second operand has 3 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 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) [2022-11-16 11:10:38,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:10:38,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 555 [2022-11-16 11:10:38,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand