./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- 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-8393723 [2022-11-18 18:27:45,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:27:45,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:27:45,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:27:45,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:27:45,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:27:45,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:27:45,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:27:45,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:27:45,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:27:45,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:27:45,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:27:45,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:27:45,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:27:45,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:27:45,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:27:45,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:27:45,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:27:45,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:27:45,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:27:45,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:27:45,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:27:45,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:27:45,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:27:45,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:27:45,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:27:45,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:27:45,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:27:45,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:27:45,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:27:45,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:27:45,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:27:45,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:27:45,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:27:45,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:27:45,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:27:45,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:27:45,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:27:45,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:27:45,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:27:45,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:27:45,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:27:45,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:27:45,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:27:45,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:27:45,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:27:45,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:27:45,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:27:45,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:27:45,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:27:45,740 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:27:45,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:27:45,741 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:27:45,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:27:45,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:27:45,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:27:45,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:27:45,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:27:45,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:27:45,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:27:45,743 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:27:45,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:27:45,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:27:45,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:27:45,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:27:45,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:27:45,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:27:45,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:27:45,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:45,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:27:45,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:27:45,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:27:45,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:27:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:27:45,746 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:27:45,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:27:45,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:27:45,747 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_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2022-11-18 18:27:46,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:27:46,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:27:46,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:27:46,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:27:46,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:27:46,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-18 18:27:46,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/data/8a362140a/041ed20453524a61b1902c0de99940d1/FLAGd9965c67e [2022-11-18 18:27:46,918 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:27:46,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-18 18:27:46,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/data/8a362140a/041ed20453524a61b1902c0de99940d1/FLAGd9965c67e [2022-11-18 18:27:47,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/data/8a362140a/041ed20453524a61b1902c0de99940d1 [2022-11-18 18:27:47,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:27:47,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:27:47,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:47,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:27:47,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:27:47,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d7c211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47, skipping insertion in model container [2022-11-18 18:27:47,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:27:47,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:27:47,442 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:27:47,679 WARN L234 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_d1bd2599-731f-47d9-944b-459907d411e8/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-18 18:27:47,696 WARN L234 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_d1bd2599-731f-47d9-944b-459907d411e8/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-18 18:27:47,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:47,724 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:27:47,740 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 18:27:47,773 WARN L234 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_d1bd2599-731f-47d9-944b-459907d411e8/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-18 18:27:47,779 WARN L234 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_d1bd2599-731f-47d9-944b-459907d411e8/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-18 18:27:47,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:47,826 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:27:47,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47 WrapperNode [2022-11-18 18:27:47,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:47,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:47,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:27:47,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:27:47,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,878 INFO L138 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-11-18 18:27:47,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:47,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:27:47,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:27:47,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:27:47,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:27:47,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:27:47,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:27:47,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:27:47,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (1/1) ... [2022-11-18 18:27:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:47,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:27:47,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:27:47,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:27:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:27:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-18 18:27:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-18 18:27:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-18 18:27:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-18 18:27:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:27:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:27:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:27:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:27:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:27:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:27:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:27:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:27:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:27:48,022 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:27:48,173 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:27:48,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:27:48,651 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:27:48,819 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:27:48,820 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-18 18:27:48,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:48 BoogieIcfgContainer [2022-11-18 18:27:48,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:27:48,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:27:48,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:27:48,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:27:48,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:27:47" (1/3) ... [2022-11-18 18:27:48,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2505ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:48, skipping insertion in model container [2022-11-18 18:27:48,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:47" (2/3) ... [2022-11-18 18:27:48,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2505ea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:48, skipping insertion in model container [2022-11-18 18:27:48,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:48" (3/3) ... [2022-11-18 18:27:48,835 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2022-11-18 18:27:48,846 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:27:48,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:27:48,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-18 18:27:48,859 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:27:48,945 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 18:27:48,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 171 transitions, 358 flow [2022-11-18 18:27:49,058 INFO L130 PetriNetUnfolder]: 20/169 cut-off events. [2022-11-18 18:27:49,059 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 18:27:49,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 169 events. 20/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 355 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 133. Up to 3 conditions per place. [2022-11-18 18:27:49,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 171 transitions, 358 flow [2022-11-18 18:27:49,074 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 159 transitions, 327 flow [2022-11-18 18:27:49,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:27:49,091 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;@1d8f819e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:27:49,092 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-11-18 18:27:49,099 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-18 18:27:49,100 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:27:49,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:49,101 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] [2022-11-18 18:27:49,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:49,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash 192550315, now seen corresponding path program 1 times [2022-11-18 18:27:49,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:49,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722188397] [2022-11-18 18:27:49,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:49,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:49,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722188397] [2022-11-18 18:27:49,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722188397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:49,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:49,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 18:27:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492756939] [2022-11-18 18:27:49,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:49,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:27:49,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:27:49,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:27:49,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 171 [2022-11-18 18:27:49,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 159 transitions, 327 flow. Second operand has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,434 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:49,434 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 171 [2022-11-18 18:27:49,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:49,735 INFO L130 PetriNetUnfolder]: 231/756 cut-off events. [2022-11-18 18:27:49,735 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-11-18 18:27:49,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1154 conditions, 756 events. 231/756 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4023 event pairs, 120 based on Foata normal form. 113/731 useless extension candidates. Maximal degree in co-relation 1026. Up to 360 conditions per place. [2022-11-18 18:27:49,753 INFO L137 encePairwiseOnDemand]: 133/171 looper letters, 31 selfloop transitions, 0 changer transitions 0/121 dead transitions. [2022-11-18 18:27:49,753 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 121 transitions, 313 flow [2022-11-18 18:27:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:27:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 18:27:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2022-11-18 18:27:49,771 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7923976608187134 [2022-11-18 18:27:49,772 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 271 transitions. [2022-11-18 18:27:49,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 271 transitions. [2022-11-18 18:27:49,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:49,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 271 transitions. [2022-11-18 18:27:49,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,786 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,788 INFO L175 Difference]: Start difference. First operand has 146 places, 159 transitions, 327 flow. Second operand 2 states and 271 transitions. [2022-11-18 18:27:49,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 121 transitions, 313 flow [2022-11-18 18:27:49,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 121 transitions, 308 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-18 18:27:49,797 INFO L231 Difference]: Finished difference. Result has 116 places, 121 transitions, 246 flow [2022-11-18 18:27:49,799 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=246, PETRI_PLACES=116, PETRI_TRANSITIONS=121} [2022-11-18 18:27:49,803 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -30 predicate places. [2022-11-18 18:27:49,804 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 121 transitions, 246 flow [2022-11-18 18:27:49,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,804 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:49,805 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] [2022-11-18 18:27:49,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:27:49,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:49,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1667843615, now seen corresponding path program 1 times [2022-11-18 18:27:49,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:49,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960811341] [2022-11-18 18:27:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:49,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:49,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:49,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960811341] [2022-11-18 18:27:49,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960811341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:49,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:49,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210781384] [2022-11-18 18:27:49,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:49,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:49,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:49,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:49,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:49,960 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 171 [2022-11-18 18:27:49,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 121 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:49,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:49,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 171 [2022-11-18 18:27:49,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:50,294 INFO L130 PetriNetUnfolder]: 497/1297 cut-off events. [2022-11-18 18:27:50,295 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-18 18:27:50,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 1297 events. 497/1297 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7339 event pairs, 277 based on Foata normal form. 0/1087 useless extension candidates. Maximal degree in co-relation 2183. Up to 768 conditions per place. [2022-11-18 18:27:50,306 INFO L137 encePairwiseOnDemand]: 165/171 looper letters, 63 selfloop transitions, 5 changer transitions 0/144 dead transitions. [2022-11-18 18:27:50,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 144 transitions, 430 flow [2022-11-18 18:27:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-11-18 18:27:50,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6432748538011696 [2022-11-18 18:27:50,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-11-18 18:27:50,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-11-18 18:27:50,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:50,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-11-18 18:27:50,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:50,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:50,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:50,315 INFO L175 Difference]: Start difference. First operand has 116 places, 121 transitions, 246 flow. Second operand 3 states and 330 transitions. [2022-11-18 18:27:50,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 144 transitions, 430 flow [2022-11-18 18:27:50,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 144 transitions, 430 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:27:50,319 INFO L231 Difference]: Finished difference. Result has 120 places, 125 transitions, 284 flow [2022-11-18 18:27:50,319 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=120, PETRI_TRANSITIONS=125} [2022-11-18 18:27:50,320 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -26 predicate places. [2022-11-18 18:27:50,320 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 125 transitions, 284 flow [2022-11-18 18:27:50,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:50,321 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:50,321 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] [2022-11-18 18:27:50,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:27:50,321 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash 309306853, now seen corresponding path program 1 times [2022-11-18 18:27:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:50,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886449097] [2022-11-18 18:27:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:50,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:50,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886449097] [2022-11-18 18:27:50,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886449097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:50,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:50,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:27:50,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823128710] [2022-11-18 18:27:50,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:50,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:27:50,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:50,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:27:50,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:27:50,879 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 171 [2022-11-18 18:27:50,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 125 transitions, 284 flow. Second operand has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:50,882 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:50,883 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 171 [2022-11-18 18:27:50,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:51,900 INFO L130 PetriNetUnfolder]: 2337/4071 cut-off events. [2022-11-18 18:27:51,900 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-18 18:27:51,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7523 conditions, 4071 events. 2337/4071 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 24471 event pairs, 342 based on Foata normal form. 0/3735 useless extension candidates. Maximal degree in co-relation 7518. Up to 1118 conditions per place. [2022-11-18 18:27:51,929 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 154 selfloop transitions, 4 changer transitions 0/236 dead transitions. [2022-11-18 18:27:51,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 236 transitions, 822 flow [2022-11-18 18:27:51,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:27:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:27:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 657 transitions. [2022-11-18 18:27:51,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6403508771929824 [2022-11-18 18:27:51,932 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 657 transitions. [2022-11-18 18:27:51,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 657 transitions. [2022-11-18 18:27:51,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:51,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 657 transitions. [2022-11-18 18:27:51,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:51,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:51,939 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:51,940 INFO L175 Difference]: Start difference. First operand has 120 places, 125 transitions, 284 flow. Second operand 6 states and 657 transitions. [2022-11-18 18:27:51,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 236 transitions, 822 flow [2022-11-18 18:27:51,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 236 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:51,947 INFO L231 Difference]: Finished difference. Result has 122 places, 124 transitions, 280 flow [2022-11-18 18:27:51,947 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=280, PETRI_PLACES=122, PETRI_TRANSITIONS=124} [2022-11-18 18:27:51,948 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2022-11-18 18:27:51,948 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 124 transitions, 280 flow [2022-11-18 18:27:51,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:51,949 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:51,949 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] [2022-11-18 18:27:51,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:27:51,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:51,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1746782077, now seen corresponding path program 1 times [2022-11-18 18:27:51,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:51,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141864037] [2022-11-18 18:27:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:52,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:52,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141864037] [2022-11-18 18:27:52,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141864037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:52,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:52,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:52,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923884540] [2022-11-18 18:27:52,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:52,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:52,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:52,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:52,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:52,012 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 171 [2022-11-18 18:27:52,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 124 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:52,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 171 [2022-11-18 18:27:52,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:52,344 INFO L130 PetriNetUnfolder]: 439/1265 cut-off events. [2022-11-18 18:27:52,345 INFO L131 PetriNetUnfolder]: For 95/97 co-relation queries the response was YES. [2022-11-18 18:27:52,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2173 conditions, 1265 events. 439/1265 cut-off events. For 95/97 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7323 event pairs, 146 based on Foata normal form. 1/1086 useless extension candidates. Maximal degree in co-relation 2168. Up to 401 conditions per place. [2022-11-18 18:27:52,356 INFO L137 encePairwiseOnDemand]: 163/171 looper letters, 80 selfloop transitions, 7 changer transitions 0/165 dead transitions. [2022-11-18 18:27:52,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 165 transitions, 551 flow [2022-11-18 18:27:52,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2022-11-18 18:27:52,362 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6861598440545809 [2022-11-18 18:27:52,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2022-11-18 18:27:52,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2022-11-18 18:27:52,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:52,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2022-11-18 18:27:52,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,369 INFO L175 Difference]: Start difference. First operand has 122 places, 124 transitions, 280 flow. Second operand 3 states and 352 transitions. [2022-11-18 18:27:52,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 165 transitions, 551 flow [2022-11-18 18:27:52,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 165 transitions, 544 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:27:52,383 INFO L231 Difference]: Finished difference. Result has 122 places, 130 transitions, 335 flow [2022-11-18 18:27:52,384 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=122, PETRI_TRANSITIONS=130} [2022-11-18 18:27:52,386 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2022-11-18 18:27:52,386 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 130 transitions, 335 flow [2022-11-18 18:27:52,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,387 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:52,387 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, 1, 1, 1] [2022-11-18 18:27:52,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:27:52,387 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash -464522543, now seen corresponding path program 1 times [2022-11-18 18:27:52,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:52,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024852995] [2022-11-18 18:27:52,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:52,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:52,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024852995] [2022-11-18 18:27:52,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024852995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:52,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:52,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:52,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010497838] [2022-11-18 18:27:52,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:52,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:52,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:52,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:52,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:52,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 171 [2022-11-18 18:27:52,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 130 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:52,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 171 [2022-11-18 18:27:52,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:52,734 INFO L130 PetriNetUnfolder]: 479/1359 cut-off events. [2022-11-18 18:27:52,735 INFO L131 PetriNetUnfolder]: For 288/288 co-relation queries the response was YES. [2022-11-18 18:27:52,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 1359 events. 479/1359 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7950 event pairs, 232 based on Foata normal form. 0/1190 useless extension candidates. Maximal degree in co-relation 2533. Up to 732 conditions per place. [2022-11-18 18:27:52,779 INFO L137 encePairwiseOnDemand]: 165/171 looper letters, 72 selfloop transitions, 7 changer transitions 0/155 dead transitions. [2022-11-18 18:27:52,780 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 566 flow [2022-11-18 18:27:52,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:52,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-11-18 18:27:52,782 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6432748538011696 [2022-11-18 18:27:52,782 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-11-18 18:27:52,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-11-18 18:27:52,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:52,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-11-18 18:27:52,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,785 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,785 INFO L175 Difference]: Start difference. First operand has 122 places, 130 transitions, 335 flow. Second operand 3 states and 330 transitions. [2022-11-18 18:27:52,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 566 flow [2022-11-18 18:27:52,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 155 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:52,793 INFO L231 Difference]: Finished difference. Result has 124 places, 134 transitions, 373 flow [2022-11-18 18:27:52,793 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=124, PETRI_TRANSITIONS=134} [2022-11-18 18:27:52,794 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -22 predicate places. [2022-11-18 18:27:52,794 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 134 transitions, 373 flow [2022-11-18 18:27:52,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,795 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:52,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:52,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:27:52,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:52,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:52,796 INFO L85 PathProgramCache]: Analyzing trace with hash 313305985, now seen corresponding path program 1 times [2022-11-18 18:27:52,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:52,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074705148] [2022-11-18 18:27:52,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:52,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:52,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074705148] [2022-11-18 18:27:52,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074705148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:52,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:52,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:27:52,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168666389] [2022-11-18 18:27:52,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:52,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:27:52,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:52,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:27:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:27:52,864 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-18 18:27:52,864 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 134 transitions, 373 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:52,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:52,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-18 18:27:52,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:53,352 INFO L130 PetriNetUnfolder]: 619/2035 cut-off events. [2022-11-18 18:27:53,352 INFO L131 PetriNetUnfolder]: For 357/393 co-relation queries the response was YES. [2022-11-18 18:27:53,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3649 conditions, 2035 events. 619/2035 cut-off events. For 357/393 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 14436 event pairs, 169 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 3642. Up to 544 conditions per place. [2022-11-18 18:27:53,375 INFO L137 encePairwiseOnDemand]: 154/171 looper letters, 86 selfloop transitions, 18 changer transitions 0/196 dead transitions. [2022-11-18 18:27:53,375 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 196 transitions, 710 flow [2022-11-18 18:27:53,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:27:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 18:27:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 564 transitions. [2022-11-18 18:27:53,378 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6596491228070176 [2022-11-18 18:27:53,378 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 564 transitions. [2022-11-18 18:27:53,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 564 transitions. [2022-11-18 18:27:53,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:53,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 564 transitions. [2022-11-18 18:27:53,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:53,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:53,385 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:53,385 INFO L175 Difference]: Start difference. First operand has 124 places, 134 transitions, 373 flow. Second operand 5 states and 564 transitions. [2022-11-18 18:27:53,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 196 transitions, 710 flow [2022-11-18 18:27:53,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 196 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:53,394 INFO L231 Difference]: Finished difference. Result has 130 places, 150 transitions, 511 flow [2022-11-18 18:27:53,394 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=511, PETRI_PLACES=130, PETRI_TRANSITIONS=150} [2022-11-18 18:27:53,397 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -16 predicate places. [2022-11-18 18:27:53,398 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 150 transitions, 511 flow [2022-11-18 18:27:53,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:53,398 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:53,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:53,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:27:53,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:53,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2024786325, now seen corresponding path program 2 times [2022-11-18 18:27:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:53,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469750567] [2022-11-18 18:27:53,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:53,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:53,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:53,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469750567] [2022-11-18 18:27:53,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469750567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:53,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:53,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:27:53,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876683427] [2022-11-18 18:27:53,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:53,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:27:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:53,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:27:53,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:27:53,530 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-18 18:27:53,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 150 transitions, 511 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:53,531 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:53,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-18 18:27:53,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:54,145 INFO L130 PetriNetUnfolder]: 782/2502 cut-off events. [2022-11-18 18:27:54,145 INFO L131 PetriNetUnfolder]: For 939/987 co-relation queries the response was YES. [2022-11-18 18:27:54,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5067 conditions, 2502 events. 782/2502 cut-off events. For 939/987 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 18614 event pairs, 132 based on Foata normal form. 27/2230 useless extension candidates. Maximal degree in co-relation 5057. Up to 479 conditions per place. [2022-11-18 18:27:54,166 INFO L137 encePairwiseOnDemand]: 153/171 looper letters, 102 selfloop transitions, 31 changer transitions 0/225 dead transitions. [2022-11-18 18:27:54,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 225 transitions, 1070 flow [2022-11-18 18:27:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:27:54,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 18:27:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 568 transitions. [2022-11-18 18:27:54,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.664327485380117 [2022-11-18 18:27:54,169 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 568 transitions. [2022-11-18 18:27:54,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 568 transitions. [2022-11-18 18:27:54,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:54,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 568 transitions. [2022-11-18 18:27:54,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,173 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,174 INFO L175 Difference]: Start difference. First operand has 130 places, 150 transitions, 511 flow. Second operand 5 states and 568 transitions. [2022-11-18 18:27:54,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 225 transitions, 1070 flow [2022-11-18 18:27:54,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 225 transitions, 1070 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:27:54,182 INFO L231 Difference]: Finished difference. Result has 138 places, 176 transitions, 817 flow [2022-11-18 18:27:54,182 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=817, PETRI_PLACES=138, PETRI_TRANSITIONS=176} [2022-11-18 18:27:54,183 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2022-11-18 18:27:54,183 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 176 transitions, 817 flow [2022-11-18 18:27:54,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,184 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:54,184 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:54,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:27:54,184 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:54,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1858128681, now seen corresponding path program 3 times [2022-11-18 18:27:54,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:54,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892214408] [2022-11-18 18:27:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:54,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:54,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:54,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892214408] [2022-11-18 18:27:54,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892214408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:54,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:54,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:27:54,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127295204] [2022-11-18 18:27:54,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:54,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:27:54,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:27:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:27:54,255 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-18 18:27:54,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 176 transitions, 817 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:54,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-18 18:27:54,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:54,709 INFO L130 PetriNetUnfolder]: 694/1988 cut-off events. [2022-11-18 18:27:54,710 INFO L131 PetriNetUnfolder]: For 2636/2698 co-relation queries the response was YES. [2022-11-18 18:27:54,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5210 conditions, 1988 events. 694/1988 cut-off events. For 2636/2698 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 13681 event pairs, 193 based on Foata normal form. 15/1807 useless extension candidates. Maximal degree in co-relation 5196. Up to 798 conditions per place. [2022-11-18 18:27:54,733 INFO L137 encePairwiseOnDemand]: 154/171 looper letters, 135 selfloop transitions, 16 changer transitions 9/242 dead transitions. [2022-11-18 18:27:54,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 242 transitions, 1464 flow [2022-11-18 18:27:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:27:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 18:27:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2022-11-18 18:27:54,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6538011695906433 [2022-11-18 18:27:54,736 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2022-11-18 18:27:54,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2022-11-18 18:27:54,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:54,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2022-11-18 18:27:54,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,741 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,741 INFO L175 Difference]: Start difference. First operand has 138 places, 176 transitions, 817 flow. Second operand 5 states and 559 transitions. [2022-11-18 18:27:54,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 242 transitions, 1464 flow [2022-11-18 18:27:54,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 242 transitions, 1434 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-11-18 18:27:54,757 INFO L231 Difference]: Finished difference. Result has 138 places, 171 transitions, 825 flow [2022-11-18 18:27:54,758 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=825, PETRI_PLACES=138, PETRI_TRANSITIONS=171} [2022-11-18 18:27:54,758 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2022-11-18 18:27:54,759 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 171 transitions, 825 flow [2022-11-18 18:27:54,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:54,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:54,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:54,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:27:54,760 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-18 18:27:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:54,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1701038856, now seen corresponding path program 1 times [2022-11-18 18:27:54,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:54,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135536144] [2022-11-18 18:27:54,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:54,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:55,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:55,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135536144] [2022-11-18 18:27:55,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135536144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:55,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:55,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:27:55,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934808519] [2022-11-18 18:27:55,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:55,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:27:55,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:55,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:27:55,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:27:55,165 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 171 [2022-11-18 18:27:55,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 171 transitions, 825 flow. Second operand has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:55,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:55,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 171 [2022-11-18 18:27:55,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:56,835 INFO L130 PetriNetUnfolder]: 4167/9539 cut-off events. [2022-11-18 18:27:56,835 INFO L131 PetriNetUnfolder]: For 14944/15496 co-relation queries the response was YES. [2022-11-18 18:27:56,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27165 conditions, 9539 events. 4167/9539 cut-off events. For 14944/15496 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 81373 event pairs, 2156 based on Foata normal form. 50/9265 useless extension candidates. Maximal degree in co-relation 27149. Up to 5724 conditions per place. [2022-11-18 18:27:56,902 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 0 selfloop transitions, 0 changer transitions 258/258 dead transitions. [2022-11-18 18:27:56,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 258 transitions, 1691 flow [2022-11-18 18:27:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:27:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:27:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 600 transitions. [2022-11-18 18:27:56,906 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5847953216374269 [2022-11-18 18:27:56,906 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 600 transitions. [2022-11-18 18:27:56,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 600 transitions. [2022-11-18 18:27:56,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:56,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 600 transitions. [2022-11-18 18:27:56,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:56,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:56,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:56,912 INFO L175 Difference]: Start difference. First operand has 138 places, 171 transitions, 825 flow. Second operand 6 states and 600 transitions. [2022-11-18 18:27:56,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 258 transitions, 1691 flow [2022-11-18 18:27:56,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 258 transitions, 1691 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:27:56,945 INFO L231 Difference]: Finished difference. Result has 142 places, 0 transitions, 0 flow [2022-11-18 18:27:56,945 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=142, PETRI_TRANSITIONS=0} [2022-11-18 18:27:56,946 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2022-11-18 18:27:56,946 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 0 transitions, 0 flow [2022-11-18 18:27:56,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:56,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (67 of 68 remaining) [2022-11-18 18:27:56,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (66 of 68 remaining) [2022-11-18 18:27:56,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (65 of 68 remaining) [2022-11-18 18:27:56,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (64 of 68 remaining) [2022-11-18 18:27:56,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (63 of 68 remaining) [2022-11-18 18:27:56,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (62 of 68 remaining) [2022-11-18 18:27:56,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (61 of 68 remaining) [2022-11-18 18:27:56,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (60 of 68 remaining) [2022-11-18 18:27:56,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (59 of 68 remaining) [2022-11-18 18:27:56,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (58 of 68 remaining) [2022-11-18 18:27:56,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (57 of 68 remaining) [2022-11-18 18:27:56,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (56 of 68 remaining) [2022-11-18 18:27:56,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (55 of 68 remaining) [2022-11-18 18:27:56,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (54 of 68 remaining) [2022-11-18 18:27:56,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (53 of 68 remaining) [2022-11-18 18:27:56,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (52 of 68 remaining) [2022-11-18 18:27:56,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 68 remaining) [2022-11-18 18:27:56,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 68 remaining) [2022-11-18 18:27:56,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (49 of 68 remaining) [2022-11-18 18:27:56,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (48 of 68 remaining) [2022-11-18 18:27:56,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (47 of 68 remaining) [2022-11-18 18:27:56,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 68 remaining) [2022-11-18 18:27:56,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (45 of 68 remaining) [2022-11-18 18:27:56,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (44 of 68 remaining) [2022-11-18 18:27:56,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 68 remaining) [2022-11-18 18:27:56,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 68 remaining) [2022-11-18 18:27:56,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 68 remaining) [2022-11-18 18:27:56,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 68 remaining) [2022-11-18 18:27:56,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 68 remaining) [2022-11-18 18:27:56,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 68 remaining) [2022-11-18 18:27:56,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (37 of 68 remaining) [2022-11-18 18:27:56,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (36 of 68 remaining) [2022-11-18 18:27:56,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 68 remaining) [2022-11-18 18:27:56,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 68 remaining) [2022-11-18 18:27:56,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 68 remaining) [2022-11-18 18:27:56,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 68 remaining) [2022-11-18 18:27:56,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (31 of 68 remaining) [2022-11-18 18:27:56,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (30 of 68 remaining) [2022-11-18 18:27:56,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (29 of 68 remaining) [2022-11-18 18:27:56,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (28 of 68 remaining) [2022-11-18 18:27:56,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (27 of 68 remaining) [2022-11-18 18:27:56,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 68 remaining) [2022-11-18 18:27:56,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 68 remaining) [2022-11-18 18:27:56,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 68 remaining) [2022-11-18 18:27:56,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 68 remaining) [2022-11-18 18:27:56,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (22 of 68 remaining) [2022-11-18 18:27:56,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 68 remaining) [2022-11-18 18:27:56,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 68 remaining) [2022-11-18 18:27:56,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 68 remaining) [2022-11-18 18:27:56,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 68 remaining) [2022-11-18 18:27:56,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (17 of 68 remaining) [2022-11-18 18:27:56,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (16 of 68 remaining) [2022-11-18 18:27:56,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 68 remaining) [2022-11-18 18:27:56,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 68 remaining) [2022-11-18 18:27:56,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 68 remaining) [2022-11-18 18:27:56,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 68 remaining) [2022-11-18 18:27:56,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 68 remaining) [2022-11-18 18:27:56,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 68 remaining) [2022-11-18 18:27:56,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (9 of 68 remaining) [2022-11-18 18:27:56,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 68 remaining) [2022-11-18 18:27:56,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 68 remaining) [2022-11-18 18:27:56,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 68 remaining) [2022-11-18 18:27:56,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 68 remaining) [2022-11-18 18:27:56,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 68 remaining) [2022-11-18 18:27:56,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 68 remaining) [2022-11-18 18:27:56,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 68 remaining) [2022-11-18 18:27:56,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (1 of 68 remaining) [2022-11-18 18:27:56,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 68 remaining) [2022-11-18 18:27:56,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:27:56,968 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:56,975 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:27:56,975 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:27:56,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:27:56 BasicIcfg [2022-11-18 18:27:56,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:27:56,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:27:56,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:27:56,981 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:27:56,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:48" (3/4) ... [2022-11-18 18:27:56,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:27:56,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-18 18:27:56,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-18 18:27:56,994 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-18 18:27:56,995 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:27:56,995 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:27:56,995 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:27:57,024 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:27:57,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:27:57,025 INFO L158 Benchmark]: Toolchain (without parser) took 9864.32ms. Allocated memory was 104.9MB in the beginning and 429.9MB in the end (delta: 325.1MB). Free memory was 66.4MB in the beginning and 245.7MB in the end (delta: -179.3MB). Peak memory consumption was 145.4MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,026 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:27:57,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.23ms. Allocated memory is still 104.9MB. Free memory was 66.2MB in the beginning and 69.9MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.02ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,027 INFO L158 Benchmark]: Boogie Preprocessor took 43.06ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,027 INFO L158 Benchmark]: RCFGBuilder took 901.29ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 65.7MB in the beginning and 107.4MB in the end (delta: -41.7MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,028 INFO L158 Benchmark]: TraceAbstraction took 8153.81ms. Allocated memory was 132.1MB in the beginning and 429.9MB in the end (delta: 297.8MB). Free memory was 106.1MB in the beginning and 248.8MB in the end (delta: -142.7MB). Peak memory consumption was 239.8MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,028 INFO L158 Benchmark]: Witness Printer took 43.72ms. Allocated memory is still 429.9MB. Free memory was 248.8MB in the beginning and 245.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:27:57,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.23ms. Allocated memory is still 104.9MB. Free memory was 66.2MB in the beginning and 69.9MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.02ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.06ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.29ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 65.7MB in the beginning and 107.4MB in the end (delta: -41.7MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8153.81ms. Allocated memory was 132.1MB in the beginning and 429.9MB in the end (delta: 297.8MB). Free memory was 106.1MB in the beginning and 248.8MB in the end (delta: -142.7MB). Peak memory consumption was 239.8MB. Max. memory is 16.1GB. * Witness Printer took 43.72ms. Allocated memory is still 429.9MB. Free memory was 248.8MB in the beginning and 245.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 798]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 801]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 804]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 812]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 820]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 250 locations, 68 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 418 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 418 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1419 IncrementalHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 120 mSDtfsCounter, 1419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=825occurred in iteration=8, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:27:57,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1bd2599-731f-47d9-944b-459907d411e8/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE