./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN --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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- 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-6b4ec56 [2022-11-20 10:46:35,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:46:35,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:46:35,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:46:35,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:46:35,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:46:35,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:46:35,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:46:35,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:46:35,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:46:35,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:46:35,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:46:35,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:46:35,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:46:35,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:46:35,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:46:35,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:46:35,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:46:35,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:46:35,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:46:35,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:46:35,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:46:35,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:46:35,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:46:35,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:46:35,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:46:35,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:46:35,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:46:35,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:46:35,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:46:35,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:46:35,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:46:35,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:46:35,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:46:35,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:46:35,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:46:35,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:46:35,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:46:35,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:46:35,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:46:35,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:46:35,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:46:35,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:46:35,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:46:35,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:46:35,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:46:35,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:46:35,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:46:35,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:46:35,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:46:35,931 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:46:35,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:46:35,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:46:35,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:46:35,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:46:35,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:46:35,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:46:35,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:46:35,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:46:35,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:46:35,934 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:46:35,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:46:35,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:46:35,935 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:46:35,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:46:35,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:46:35,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:46:35,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:46:35,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:35,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:46:35,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:46:35,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:46:35,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:46:35,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:46:35,938 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:46:35,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:46:35,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:46:35,939 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_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2022-11-20 10:46:36,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:46:36,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:46:36,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:46:36,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:46:36,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:46:36,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2022-11-20 10:46:39,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:46:39,595 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:46:39,596 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2022-11-20 10:46:39,608 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/data/735ca29b0/fa4174dd2dee4090815dcc3b83a602fd/FLAG4d5606671 [2022-11-20 10:46:39,623 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/data/735ca29b0/fa4174dd2dee4090815dcc3b83a602fd [2022-11-20 10:46:39,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:46:39,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:46:39,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:39,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:46:39,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:46:39,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:39" (1/1) ... [2022-11-20 10:46:39,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394991e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:39, skipping insertion in model container [2022-11-20 10:46:39,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:46:39" (1/1) ... [2022-11-20 10:46:39,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:46:39,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:46:39,872 WARN L237 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_22757391-47d4-48cf-bbdc-724773f8b51f/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2022-11-20 10:46:40,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:40,052 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:46:40,064 WARN L237 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_22757391-47d4-48cf-bbdc-724773f8b51f/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2022-11-20 10:46:40,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:46:40,129 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:46:40,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40 WrapperNode [2022-11-20 10:46:40,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:46:40,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:40,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:46:40,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:46:40,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,193 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2022-11-20 10:46:40,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:46:40,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:46:40,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:46:40,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:46:40,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,239 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:46:40,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:46:40,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:46:40,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:46:40,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (1/1) ... [2022-11-20 10:46:40,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:46:40,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:46:40,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:46:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:46:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-11-20 10:46:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-11-20 10:46:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:46:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 10:46:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:46:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:46:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:46:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:46:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:46:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:46:40,335 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:46:40,552 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:46:40,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:46:40,909 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:46:40,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:46:40,918 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 10:46:40,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:40 BoogieIcfgContainer [2022-11-20 10:46:40,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:46:40,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:46:40,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:46:40,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:46:40,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:46:39" (1/3) ... [2022-11-20 10:46:40,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faa71bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:40, skipping insertion in model container [2022-11-20 10:46:40,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:46:40" (2/3) ... [2022-11-20 10:46:40,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faa71bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:46:40, skipping insertion in model container [2022-11-20 10:46:40,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:40" (3/3) ... [2022-11-20 10:46:40,944 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2022-11-20 10:46:40,962 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:46:40,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:46:40,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-20 10:46:40,976 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:46:41,076 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:46:41,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 152 transitions, 309 flow [2022-11-20 10:46:41,215 INFO L130 PetriNetUnfolder]: 10/151 cut-off events. [2022-11-20 10:46:41,215 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:46:41,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 151 events. 10/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2022-11-20 10:46:41,223 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 152 transitions, 309 flow [2022-11-20 10:46:41,229 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 151 transitions, 305 flow [2022-11-20 10:46:41,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:46:41,246 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;@5a37a5da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:46:41,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-11-20 10:46:41,256 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-11-20 10:46:41,257 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:46:41,257 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:41,258 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] [2022-11-20 10:46:41,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:41,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1765516765, now seen corresponding path program 1 times [2022-11-20 10:46:41,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:41,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118850253] [2022-11-20 10:46:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:41,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:41,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118850253] [2022-11-20 10:46:41,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118850253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:41,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:41,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841558648] [2022-11-20 10:46:41,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:41,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:41,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:41,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:41,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:41,569 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2022-11-20 10:46:41,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 151 transitions, 305 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2022-11-20 10:46:41,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:41,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2022-11-20 10:46:41,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:41,878 INFO L130 PetriNetUnfolder]: 230/1045 cut-off events. [2022-11-20 10:46:41,879 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:46:41,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 1045 events. 230/1045 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 6790 event pairs, 162 based on Foata normal form. 70/932 useless extension candidates. Maximal degree in co-relation 1399. Up to 401 conditions per place. [2022-11-20 10:46:41,889 INFO L137 encePairwiseOnDemand]: 143/152 looper letters, 31 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2022-11-20 10:46:41,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 140 transitions, 349 flow [2022-11-20 10:46:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2022-11-20 10:46:41,904 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8114035087719298 [2022-11-20 10:46:41,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2022-11-20 10:46:41,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2022-11-20 10:46:41,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:41,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2022-11-20 10:46:41,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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) [2022-11-20 10:46:41,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:41,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:41,924 INFO L175 Difference]: Start difference. First operand has 145 places, 151 transitions, 305 flow. Second operand 3 states and 370 transitions. [2022-11-20 10:46:41,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 140 transitions, 349 flow [2022-11-20 10:46:41,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 140 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:46:41,935 INFO L231 Difference]: Finished difference. Result has 140 places, 140 transitions, 286 flow [2022-11-20 10:46:41,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=140, PETRI_TRANSITIONS=140} [2022-11-20 10:46:41,942 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -5 predicate places. [2022-11-20 10:46:41,943 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 140 transitions, 286 flow [2022-11-20 10:46:41,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2022-11-20 10:46:41,943 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:41,944 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] [2022-11-20 10:46:41,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:46:41,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:41,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:41,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1051954321, now seen corresponding path program 1 times [2022-11-20 10:46:41,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:41,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104147968] [2022-11-20 10:46:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:42,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:42,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104147968] [2022-11-20 10:46:42,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104147968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:42,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:42,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:42,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834745603] [2022-11-20 10:46:42,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:42,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:42,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:42,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:42,107 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 152 [2022-11-20 10:46:42,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 140 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-11-20 10:46:42,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:42,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 152 [2022-11-20 10:46:42,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:42,401 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([365] L719-4-->L719-1: Formula: (= |v_#race~g~0_28| 0) InVars {} OutVars{#race~g~0=|v_#race~g~0_28|} AuxVars[] AssignedVars[#race~g~0][63], [101#L719-1true, workerThread1of1ForFork0InUse, 21#L711-6true, 149#true, 155#(= |#race~g~0| 0)]) [2022-11-20 10:46:42,407 INFO L383 tUnfolder$Statistics]: this new event has 106 ancestors and is cut-off event [2022-11-20 10:46:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-20 10:46:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:46:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-20 10:46:42,414 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([365] L719-4-->L719-1: Formula: (= |v_#race~g~0_28| 0) InVars {} OutVars{#race~g~0=|v_#race~g~0_28|} AuxVars[] AssignedVars[#race~g~0][63], [116#ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACEtrue, workerThread1of1ForFork0InUse, 101#L719-1true, 149#true, 155#(= |#race~g~0| 0)]) [2022-11-20 10:46:42,414 INFO L383 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2022-11-20 10:46:42,414 INFO L386 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2022-11-20 10:46:42,414 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:46:42,415 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-20 10:46:42,416 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([365] L719-4-->L719-1: Formula: (= |v_#race~g~0_28| 0) InVars {} OutVars{#race~g~0=|v_#race~g~0_28|} AuxVars[] AssignedVars[#race~g~0][63], [workerThread1of1ForFork0InUse, 101#L719-1true, 149#true, 155#(= |#race~g~0| 0), 94#L711-7true]) [2022-11-20 10:46:42,416 INFO L383 tUnfolder$Statistics]: this new event has 107 ancestors and is cut-off event [2022-11-20 10:46:42,417 INFO L386 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2022-11-20 10:46:42,417 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-20 10:46:42,417 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-20 10:46:42,448 INFO L130 PetriNetUnfolder]: 210/1553 cut-off events. [2022-11-20 10:46:42,448 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:46:42,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1976 conditions, 1553 events. 210/1553 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 11123 event pairs, 59 based on Foata normal form. 0/1397 useless extension candidates. Maximal degree in co-relation 1937. Up to 299 conditions per place. [2022-11-20 10:46:42,461 INFO L137 encePairwiseOnDemand]: 129/152 looper letters, 34 selfloop transitions, 16 changer transitions 0/160 dead transitions. [2022-11-20 10:46:42,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 160 transitions, 426 flow [2022-11-20 10:46:42,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:42,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2022-11-20 10:46:42,469 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2022-11-20 10:46:42,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 396 transitions. [2022-11-20 10:46:42,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 396 transitions. [2022-11-20 10:46:42,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:42,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 396 transitions. [2022-11-20 10:46:42,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2022-11-20 10:46:42,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:42,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:42,479 INFO L175 Difference]: Start difference. First operand has 140 places, 140 transitions, 286 flow. Second operand 3 states and 396 transitions. [2022-11-20 10:46:42,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 160 transitions, 426 flow [2022-11-20 10:46:42,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 160 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:42,490 INFO L231 Difference]: Finished difference. Result has 142 places, 156 transitions, 424 flow [2022-11-20 10:46:42,490 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=142, PETRI_TRANSITIONS=156} [2022-11-20 10:46:42,491 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -3 predicate places. [2022-11-20 10:46:42,492 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 156 transitions, 424 flow [2022-11-20 10:46:42,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-11-20 10:46:42,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:42,494 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] [2022-11-20 10:46:42,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:46:42,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:42,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:42,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1297235711, now seen corresponding path program 1 times [2022-11-20 10:46:42,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:42,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105302675] [2022-11-20 10:46:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:42,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:42,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105302675] [2022-11-20 10:46:42,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105302675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:42,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:42,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:42,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459038009] [2022-11-20 10:46:42,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:42,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:42,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:42,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:42,662 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2022-11-20 10:46:42,663 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 156 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-11-20 10:46:42,663 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:42,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2022-11-20 10:46:42,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:43,014 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([365] L719-4-->L719-1: Formula: (= |v_#race~g~0_28| 0) InVars {} OutVars{#race~g~0=|v_#race~g~0_28|} AuxVars[] AssignedVars[#race~g~0][63], [workerThread1of1ForFork0InUse, 101#L719-1true, 159#true, 155#(= |#race~g~0| 0), Black: 153#true, 126#L709true]) [2022-11-20 10:46:43,014 INFO L383 tUnfolder$Statistics]: this new event has 112 ancestors and is cut-off event [2022-11-20 10:46:43,014 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-20 10:46:43,015 INFO L386 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2022-11-20 10:46:43,015 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2022-11-20 10:46:43,050 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([365] L719-4-->L719-1: Formula: (= |v_#race~g~0_28| 0) InVars {} OutVars{#race~g~0=|v_#race~g~0_28|} AuxVars[] AssignedVars[#race~g~0][63], [workerThread1of1ForFork0InUse, 101#L719-1true, 159#true, 95#L710-4true, 155#(= |#race~g~0| 0), Black: 153#true]) [2022-11-20 10:46:43,050 INFO L383 tUnfolder$Statistics]: this new event has 109 ancestors and is cut-off event [2022-11-20 10:46:43,050 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-11-20 10:46:43,050 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-20 10:46:43,051 INFO L386 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2022-11-20 10:46:43,066 INFO L130 PetriNetUnfolder]: 311/1973 cut-off events. [2022-11-20 10:46:43,066 INFO L131 PetriNetUnfolder]: For 438/469 co-relation queries the response was YES. [2022-11-20 10:46:43,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3081 conditions, 1973 events. 311/1973 cut-off events. For 438/469 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 15086 event pairs, 96 based on Foata normal form. 9/1831 useless extension candidates. Maximal degree in co-relation 3030. Up to 512 conditions per place. [2022-11-20 10:46:43,079 INFO L137 encePairwiseOnDemand]: 142/152 looper letters, 64 selfloop transitions, 16 changer transitions 0/187 dead transitions. [2022-11-20 10:46:43,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 187 transitions, 722 flow [2022-11-20 10:46:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:43,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2022-11-20 10:46:43,081 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2022-11-20 10:46:43,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2022-11-20 10:46:43,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2022-11-20 10:46:43,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:43,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2022-11-20 10:46:43,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2022-11-20 10:46:43,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,085 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,086 INFO L175 Difference]: Start difference. First operand has 142 places, 156 transitions, 424 flow. Second operand 3 states and 384 transitions. [2022-11-20 10:46:43,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 187 transitions, 722 flow [2022-11-20 10:46:43,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 187 transitions, 668 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 10:46:43,101 INFO L231 Difference]: Finished difference. Result has 144 places, 170 transitions, 538 flow [2022-11-20 10:46:43,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=144, PETRI_TRANSITIONS=170} [2022-11-20 10:46:43,108 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -1 predicate places. [2022-11-20 10:46:43,108 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 170 transitions, 538 flow [2022-11-20 10:46:43,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-11-20 10:46:43,109 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:43,109 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, 1, 1, 1, 1] [2022-11-20 10:46:43,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:46:43,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:43,112 INFO L85 PathProgramCache]: Analyzing trace with hash 957197430, now seen corresponding path program 1 times [2022-11-20 10:46:43,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:43,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234588918] [2022-11-20 10:46:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:43,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:43,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:43,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234588918] [2022-11-20 10:46:43,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234588918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:43,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:43,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:43,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522492300] [2022-11-20 10:46:43,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:43,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:43,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:43,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:43,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:43,380 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 152 [2022-11-20 10:46:43,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 170 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2022-11-20 10:46:43,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:43,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 152 [2022-11-20 10:46:43,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:43,471 INFO L130 PetriNetUnfolder]: 14/274 cut-off events. [2022-11-20 10:46:43,472 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-11-20 10:46:43,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 274 events. 14/274 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 742 event pairs, 0 based on Foata normal form. 6/264 useless extension candidates. Maximal degree in co-relation 312. Up to 32 conditions per place. [2022-11-20 10:46:43,474 INFO L137 encePairwiseOnDemand]: 147/152 looper letters, 8 selfloop transitions, 5 changer transitions 2/134 dead transitions. [2022-11-20 10:46:43,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 134 transitions, 356 flow [2022-11-20 10:46:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2022-11-20 10:46:43,476 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8947368421052632 [2022-11-20 10:46:43,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2022-11-20 10:46:43,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2022-11-20 10:46:43,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:43,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2022-11-20 10:46:43,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2022-11-20 10:46:43,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,480 INFO L175 Difference]: Start difference. First operand has 144 places, 170 transitions, 538 flow. Second operand 3 states and 408 transitions. [2022-11-20 10:46:43,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 134 transitions, 356 flow [2022-11-20 10:46:43,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 134 transitions, 308 flow, removed 20 selfloop flow, removed 4 redundant places. [2022-11-20 10:46:43,485 INFO L231 Difference]: Finished difference. Result has 134 places, 132 transitions, 288 flow [2022-11-20 10:46:43,485 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=134, PETRI_TRANSITIONS=132} [2022-11-20 10:46:43,487 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -11 predicate places. [2022-11-20 10:46:43,487 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 132 transitions, 288 flow [2022-11-20 10:46:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2022-11-20 10:46:43,488 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:43,488 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, 1, 1, 1, 1, 1] [2022-11-20 10:46:43,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:46:43,490 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1069396775, now seen corresponding path program 1 times [2022-11-20 10:46:43,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:43,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568960738] [2022-11-20 10:46:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:43,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:43,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568960738] [2022-11-20 10:46:43,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568960738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:43,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:43,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:46:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677281607] [2022-11-20 10:46:43,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:43,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:43,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:43,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 152 [2022-11-20 10:46:43,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 132 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2022-11-20 10:46:43,677 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:43,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 152 [2022-11-20 10:46:43,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:43,746 INFO L130 PetriNetUnfolder]: 10/227 cut-off events. [2022-11-20 10:46:43,747 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:46:43,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 227 events. 10/227 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 417 event pairs, 0 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 234. Up to 18 conditions per place. [2022-11-20 10:46:43,748 INFO L137 encePairwiseOnDemand]: 148/152 looper letters, 16 selfloop transitions, 2 changer transitions 2/137 dead transitions. [2022-11-20 10:46:43,748 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 137 transitions, 338 flow [2022-11-20 10:46:43,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:43,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2022-11-20 10:46:43,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8969298245614035 [2022-11-20 10:46:43,751 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2022-11-20 10:46:43,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2022-11-20 10:46:43,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:43,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2022-11-20 10:46:43,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2022-11-20 10:46:43,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,754 INFO L175 Difference]: Start difference. First operand has 134 places, 132 transitions, 288 flow. Second operand 3 states and 409 transitions. [2022-11-20 10:46:43,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 137 transitions, 338 flow [2022-11-20 10:46:43,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 137 transitions, 333 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:46:43,758 INFO L231 Difference]: Finished difference. Result has 134 places, 133 transitions, 297 flow [2022-11-20 10:46:43,758 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=134, PETRI_TRANSITIONS=133} [2022-11-20 10:46:43,759 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -11 predicate places. [2022-11-20 10:46:43,759 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 133 transitions, 297 flow [2022-11-20 10:46:43,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2022-11-20 10:46:43,760 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:46:43,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:46:43,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:46:43,761 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-11-20 10:46:43,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:46:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash 930934824, now seen corresponding path program 1 times [2022-11-20 10:46:43,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:46:43,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647886130] [2022-11-20 10:46:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:46:43,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:46:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:46:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:46:43,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:46:43,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647886130] [2022-11-20 10:46:43,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647886130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:46:43,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:46:43,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:46:43,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83367339] [2022-11-20 10:46:43,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:46:43,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:46:43,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:46:43,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:46:43,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:46:43,833 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 152 [2022-11-20 10:46:43,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 133 transitions, 297 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-11-20 10:46:43,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:46:43,834 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 152 [2022-11-20 10:46:43,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:46:43,899 INFO L130 PetriNetUnfolder]: 28/304 cut-off events. [2022-11-20 10:46:43,900 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-20 10:46:43,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 304 events. 28/304 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 848 event pairs, 10 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 365. Up to 70 conditions per place. [2022-11-20 10:46:43,901 INFO L137 encePairwiseOnDemand]: 149/152 looper letters, 0 selfloop transitions, 0 changer transitions 132/132 dead transitions. [2022-11-20 10:46:43,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 132 transitions, 347 flow [2022-11-20 10:46:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:46:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:46:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2022-11-20 10:46:43,903 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7785087719298246 [2022-11-20 10:46:43,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 355 transitions. [2022-11-20 10:46:43,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 355 transitions. [2022-11-20 10:46:43,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:46:43,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 355 transitions. [2022-11-20 10:46:43,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2022-11-20 10:46:43,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2022-11-20 10:46:43,907 INFO L175 Difference]: Start difference. First operand has 134 places, 133 transitions, 297 flow. Second operand 3 states and 355 transitions. [2022-11-20 10:46:43,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 132 transitions, 347 flow [2022-11-20 10:46:43,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 132 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:46:43,910 INFO L231 Difference]: Finished difference. Result has 134 places, 0 transitions, 0 flow [2022-11-20 10:46:43,910 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=134, PETRI_TRANSITIONS=0} [2022-11-20 10:46:43,911 INFO L288 CegarLoopForPetriNet]: 145 programPoint places, -11 predicate places. [2022-11-20 10:46:43,911 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 0 transitions, 0 flow [2022-11-20 10:46:43,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-11-20 10:46:43,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2022-11-20 10:46:43,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2022-11-20 10:46:43,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2022-11-20 10:46:43,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2022-11-20 10:46:43,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2022-11-20 10:46:43,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2022-11-20 10:46:43,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2022-11-20 10:46:43,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2022-11-20 10:46:43,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2022-11-20 10:46:43,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2022-11-20 10:46:43,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2022-11-20 10:46:43,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2022-11-20 10:46:43,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2022-11-20 10:46:43,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2022-11-20 10:46:43,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2022-11-20 10:46:43,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2022-11-20 10:46:43,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2022-11-20 10:46:43,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:46:43,919 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-20 10:46:43,924 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:46:43,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:46:43,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:46:43 BasicIcfg [2022-11-20 10:46:43,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:46:43,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:46:43,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:46:43,930 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:46:43,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:46:40" (3/4) ... [2022-11-20 10:46:43,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:46:43,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2022-11-20 10:46:43,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 10:46:43,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:46:43,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:46:43,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:46:43,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:46:43,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:46:43,980 INFO L158 Benchmark]: Toolchain (without parser) took 4349.64ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 114.6MB in the beginning and 115.4MB in the end (delta: -839.6kB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-20 10:46:43,980 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:43,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.79ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 94.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 10:46:43,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.90ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:46:43,981 INFO L158 Benchmark]: Boogie Preprocessor took 47.90ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:43,982 INFO L158 Benchmark]: RCFGBuilder took 677.73ms. Allocated memory is still 159.4MB. Free memory was 90.8MB in the beginning and 75.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:46:43,982 INFO L158 Benchmark]: TraceAbstraction took 2997.75ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 74.5MB in the beginning and 117.5MB in the end (delta: -43.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:46:43,982 INFO L158 Benchmark]: Witness Printer took 48.95ms. Allocated memory is still 195.0MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:46:43,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.79ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 94.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.90ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.90ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 677.73ms. Allocated memory is still 159.4MB. Free memory was 90.8MB in the beginning and 75.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2997.75ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 74.5MB in the beginning and 117.5MB in the end (delta: -43.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.95ms. Allocated memory is still 195.0MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: 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: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: 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: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: 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 3 procedures, 204 locations, 17 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: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 128 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=538occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 372 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:46:44,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22757391-47d4-48cf-bbdc-724773f8b51f/bin/uautomizer-ug76WZFUDN/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