./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda4e60b50ccb96ce521fa11aa956967863397082d82b1fb589f74967fe28a7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:52:27,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:52:27,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:52:27,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:52:27,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:52:27,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:52:27,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:52:27,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:52:27,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:52:27,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:52:28,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:52:28,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:52:28,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:52:28,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:52:28,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:52:28,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:52:28,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:52:28,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:52:28,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:52:28,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:52:28,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:52:28,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:52:28,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:52:28,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:52:28,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:52:28,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:52:28,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:52:28,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:52:28,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:52:28,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:52:28,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:52:28,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:52:28,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:52:28,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:52:28,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:52:28,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:52:28,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:52:28,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:52:28,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:52:28,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:52:28,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:52:28,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:52:28,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:52:28,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:52:28,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:52:28,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:52:28,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:52:28,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:52:28,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:52:28,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:52:28,134 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:52:28,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:52:28,136 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:52:28,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:52:28,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:52:28,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:52:28,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:52:28,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:52:28,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:52:28,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:52:28,138 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:52:28,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:52:28,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:52:28,139 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:52:28,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:52:28,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:52:28,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:52:28,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:52:28,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:52:28,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:52:28,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:52:28,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:52:28,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:52:28,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:52:28,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:52:28,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:52:28,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:52:28,144 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_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda4e60b50ccb96ce521fa11aa956967863397082d82b1fb589f74967fe28a7c [2022-11-16 11:52:28,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:52:28,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:52:28,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:52:28,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:52:28,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:52:28,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2022-11-16 11:52:28,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/data/6eb142ddf/9da6c76cc7804ac79d56236a1b57d530/FLAG3b5e0013e [2022-11-16 11:52:29,291 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:52:29,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2022-11-16 11:52:29,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/data/6eb142ddf/9da6c76cc7804ac79d56236a1b57d530/FLAG3b5e0013e [2022-11-16 11:52:29,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/data/6eb142ddf/9da6c76cc7804ac79d56236a1b57d530 [2022-11-16 11:52:29,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:52:29,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:52:29,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:52:29,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:52:29,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:52:29,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:29" (1/1) ... [2022-11-16 11:52:29,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519c4258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:29, skipping insertion in model container [2022-11-16 11:52:29,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:29" (1/1) ... [2022-11-16 11:52:29,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:52:29,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:52:29,958 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4210,4223] [2022-11-16 11:52:29,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:52:29,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:52:30,019 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4210,4223] [2022-11-16 11:52:30,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:52:30,042 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:52:30,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30 WrapperNode [2022-11-16 11:52:30,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:52:30,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:52:30,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:52:30,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:52:30,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,139 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 491 [2022-11-16 11:52:30,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:52:30,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:52:30,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:52:30,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:52:30,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:52:30,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:52:30,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:52:30,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:52:30,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (1/1) ... [2022-11-16 11:52:30,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:52:30,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:52:30,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:52:30,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:52:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:52:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:52:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:52:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:52:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:52:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:52:30,358 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:52:30,358 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:52:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:52:30,359 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:52:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:52:30,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:52:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:52:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:52:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:52:30,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:52:30,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:52:30,362 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:52:30,541 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:52:30,544 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:52:31,642 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:52:32,028 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:52:32,028 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:52:32,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:32 BoogieIcfgContainer [2022-11-16 11:52:32,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:52:32,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:52:32,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:52:32,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:52:32,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:29" (1/3) ... [2022-11-16 11:52:32,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e02b8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:32, skipping insertion in model container [2022-11-16 11:52:32,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:30" (2/3) ... [2022-11-16 11:52:32,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e02b8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:32, skipping insertion in model container [2022-11-16 11:52:32,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:32" (3/3) ... [2022-11-16 11:52:32,047 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-11-16 11:52:32,058 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:52:32,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:52:32,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-16 11:52:32,071 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:52:32,213 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:52:32,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 351 transitions, 726 flow [2022-11-16 11:52:32,456 INFO L130 PetriNetUnfolder]: 8/348 cut-off events. [2022-11-16 11:52:32,456 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:52:32,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 348 events. 8/348 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 430 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 281. Up to 2 conditions per place. [2022-11-16 11:52:32,462 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 351 transitions, 726 flow [2022-11-16 11:52:32,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 331 places, 328 transitions, 674 flow [2022-11-16 11:52:32,483 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:52:32,491 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;@d0c4daa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:52:32,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2022-11-16 11:52:32,499 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-16 11:52:32,499 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:52:32,499 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:32,500 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:32,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:32,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:32,507 INFO L85 PathProgramCache]: Analyzing trace with hash -695665803, now seen corresponding path program 1 times [2022-11-16 11:52:32,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:32,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786684285] [2022-11-16 11:52:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:32,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:32,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786684285] [2022-11-16 11:52:32,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786684285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:32,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:32,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:32,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556737435] [2022-11-16 11:52:32,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:32,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:32,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:32,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:32,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:32,873 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:32,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 328 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:32,885 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:32,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:32,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:34,025 INFO L130 PetriNetUnfolder]: 1068/2403 cut-off events. [2022-11-16 11:52:34,026 INFO L131 PetriNetUnfolder]: For 280/280 co-relation queries the response was YES. [2022-11-16 11:52:34,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4459 conditions, 2403 events. 1068/2403 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14075 event pairs, 1066 based on Foata normal form. 5/2341 useless extension candidates. Maximal degree in co-relation 4120. Up to 1735 conditions per place. [2022-11-16 11:52:34,054 INFO L137 encePairwiseOnDemand]: 292/351 looper letters, 32 selfloop transitions, 2 changer transitions 4/271 dead transitions. [2022-11-16 11:52:34,055 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 271 transitions, 628 flow [2022-11-16 11:52:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:34,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 865 transitions. [2022-11-16 11:52:34,074 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8214624881291548 [2022-11-16 11:52:34,075 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 865 transitions. [2022-11-16 11:52:34,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 865 transitions. [2022-11-16 11:52:34,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:34,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 865 transitions. [2022-11-16 11:52:34,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 288.3333333333333) internal successors, (865), 3 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:34,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:34,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:34,098 INFO L175 Difference]: Start difference. First operand has 331 places, 328 transitions, 674 flow. Second operand 3 states and 865 transitions. [2022-11-16 11:52:34,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 271 transitions, 628 flow [2022-11-16 11:52:34,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 271 transitions, 616 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:52:34,114 INFO L231 Difference]: Finished difference. Result has 275 places, 267 transitions, 544 flow [2022-11-16 11:52:34,117 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=275, PETRI_TRANSITIONS=267} [2022-11-16 11:52:34,123 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -56 predicate places. [2022-11-16 11:52:34,124 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 267 transitions, 544 flow [2022-11-16 11:52:34,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:34,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:34,126 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] [2022-11-16 11:52:34,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:52:34,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:34,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:34,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1244402453, now seen corresponding path program 1 times [2022-11-16 11:52:34,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:34,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612609431] [2022-11-16 11:52:34,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:34,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612609431] [2022-11-16 11:52:34,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612609431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:34,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:34,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:34,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673655602] [2022-11-16 11:52:34,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:34,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:34,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:34,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:34,264 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:34,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 267 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:34,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:34,266 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:34,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:35,023 INFO L130 PetriNetUnfolder]: 1068/2398 cut-off events. [2022-11-16 11:52:35,024 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:35,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4272 conditions, 2398 events. 1068/2398 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14076 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4232. Up to 1735 conditions per place. [2022-11-16 11:52:35,045 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2022-11-16 11:52:35,045 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 266 transitions, 610 flow [2022-11-16 11:52:35,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-16 11:52:35,048 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-16 11:52:35,048 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-16 11:52:35,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-16 11:52:35,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:35,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-16 11:52:35,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,097 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,098 INFO L175 Difference]: Start difference. First operand has 275 places, 267 transitions, 544 flow. Second operand 3 states and 809 transitions. [2022-11-16 11:52:35,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 266 transitions, 610 flow [2022-11-16 11:52:35,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 266 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:35,105 INFO L231 Difference]: Finished difference. Result has 270 places, 266 transitions, 542 flow [2022-11-16 11:52:35,105 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=270, PETRI_TRANSITIONS=266} [2022-11-16 11:52:35,107 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -61 predicate places. [2022-11-16 11:52:35,107 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 266 transitions, 542 flow [2022-11-16 11:52:35,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,108 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:35,108 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] [2022-11-16 11:52:35,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:52:35,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:35,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:35,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1662104238, now seen corresponding path program 1 times [2022-11-16 11:52:35,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:35,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22630187] [2022-11-16 11:52:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:35,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:35,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:35,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22630187] [2022-11-16 11:52:35,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22630187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:35,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:35,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:35,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383626244] [2022-11-16 11:52:35,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:35,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:35,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:35,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:35,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:35,177 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 351 [2022-11-16 11:52:35,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 266 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,179 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:35,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 351 [2022-11-16 11:52:35,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:35,907 INFO L130 PetriNetUnfolder]: 1068/2397 cut-off events. [2022-11-16 11:52:35,908 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:35,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4283 conditions, 2397 events. 1068/2397 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14057 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4236. Up to 1747 conditions per place. [2022-11-16 11:52:35,931 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 44 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2022-11-16 11:52:35,931 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 265 transitions, 632 flow [2022-11-16 11:52:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 785 transitions. [2022-11-16 11:52:35,936 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7454890788224121 [2022-11-16 11:52:35,937 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 785 transitions. [2022-11-16 11:52:35,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 785 transitions. [2022-11-16 11:52:35,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:35,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 785 transitions. [2022-11-16 11:52:35,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,944 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,945 INFO L175 Difference]: Start difference. First operand has 270 places, 266 transitions, 542 flow. Second operand 3 states and 785 transitions. [2022-11-16 11:52:35,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 265 transitions, 632 flow [2022-11-16 11:52:35,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 265 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:35,952 INFO L231 Difference]: Finished difference. Result has 269 places, 265 transitions, 540 flow [2022-11-16 11:52:35,953 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=269, PETRI_TRANSITIONS=265} [2022-11-16 11:52:35,957 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -62 predicate places. [2022-11-16 11:52:35,958 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 265 transitions, 540 flow [2022-11-16 11:52:35,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:35,959 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:35,959 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] [2022-11-16 11:52:35,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:52:35,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash -910339384, now seen corresponding path program 1 times [2022-11-16 11:52:35,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:35,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295787932] [2022-11-16 11:52:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:35,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:36,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:36,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295787932] [2022-11-16 11:52:36,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295787932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:36,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:36,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:36,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025461890] [2022-11-16 11:52:36,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:36,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:36,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:36,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:36,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:36,069 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 351 [2022-11-16 11:52:36,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 265 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,073 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:36,073 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 351 [2022-11-16 11:52:36,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:36,832 INFO L130 PetriNetUnfolder]: 1068/2396 cut-off events. [2022-11-16 11:52:36,833 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:36,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4275 conditions, 2396 events. 1068/2396 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14061 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4221. Up to 1740 conditions per place. [2022-11-16 11:52:36,859 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2022-11-16 11:52:36,859 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 264 transitions, 616 flow [2022-11-16 11:52:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 796 transitions. [2022-11-16 11:52:36,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7559354226020892 [2022-11-16 11:52:36,867 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 796 transitions. [2022-11-16 11:52:36,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 796 transitions. [2022-11-16 11:52:36,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:36,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 796 transitions. [2022-11-16 11:52:36,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,876 INFO L175 Difference]: Start difference. First operand has 269 places, 265 transitions, 540 flow. Second operand 3 states and 796 transitions. [2022-11-16 11:52:36,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 264 transitions, 616 flow [2022-11-16 11:52:36,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 264 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:36,886 INFO L231 Difference]: Finished difference. Result has 268 places, 264 transitions, 538 flow [2022-11-16 11:52:36,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=268, PETRI_TRANSITIONS=264} [2022-11-16 11:52:36,889 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -63 predicate places. [2022-11-16 11:52:36,889 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 264 transitions, 538 flow [2022-11-16 11:52:36,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:36,891 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] [2022-11-16 11:52:36,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:52:36,891 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:36,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1581218056, now seen corresponding path program 1 times [2022-11-16 11:52:36,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:36,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741090011] [2022-11-16 11:52:36,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:36,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:36,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:36,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741090011] [2022-11-16 11:52:36,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741090011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:36,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:36,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:36,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899974868] [2022-11-16 11:52:36,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:36,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:36,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:36,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:36,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:36,995 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:36,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 264 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:36,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:36,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:36,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:37,692 INFO L130 PetriNetUnfolder]: 1068/2395 cut-off events. [2022-11-16 11:52:37,693 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:37,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4269 conditions, 2395 events. 1068/2395 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14079 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4208. Up to 1735 conditions per place. [2022-11-16 11:52:37,709 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2022-11-16 11:52:37,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 263 transitions, 604 flow [2022-11-16 11:52:37,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-16 11:52:37,712 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-16 11:52:37,712 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-16 11:52:37,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-16 11:52:37,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:37,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-16 11:52:37,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:37,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:37,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:37,719 INFO L175 Difference]: Start difference. First operand has 268 places, 264 transitions, 538 flow. Second operand 3 states and 809 transitions. [2022-11-16 11:52:37,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 263 transitions, 604 flow [2022-11-16 11:52:37,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 263 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:37,724 INFO L231 Difference]: Finished difference. Result has 267 places, 263 transitions, 536 flow [2022-11-16 11:52:37,725 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=267, PETRI_TRANSITIONS=263} [2022-11-16 11:52:37,728 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -64 predicate places. [2022-11-16 11:52:37,729 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 263 transitions, 536 flow [2022-11-16 11:52:37,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:37,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:37,730 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] [2022-11-16 11:52:37,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:52:37,732 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:37,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:37,736 INFO L85 PathProgramCache]: Analyzing trace with hash -113300522, now seen corresponding path program 1 times [2022-11-16 11:52:37,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:37,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761392809] [2022-11-16 11:52:37,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:37,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:37,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761392809] [2022-11-16 11:52:37,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761392809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:37,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:37,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:37,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51968871] [2022-11-16 11:52:37,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:37,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:37,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:37,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:37,830 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:37,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 263 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:37,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:37,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:37,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:38,490 INFO L130 PetriNetUnfolder]: 1068/2394 cut-off events. [2022-11-16 11:52:38,490 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:38,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4268 conditions, 2394 events. 1068/2394 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14100 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4200. Up to 1735 conditions per place. [2022-11-16 11:52:38,513 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2022-11-16 11:52:38,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 262 transitions, 602 flow [2022-11-16 11:52:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-16 11:52:38,517 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-16 11:52:38,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-16 11:52:38,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-16 11:52:38,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:38,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-16 11:52:38,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:38,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:38,526 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:38,526 INFO L175 Difference]: Start difference. First operand has 267 places, 263 transitions, 536 flow. Second operand 3 states and 809 transitions. [2022-11-16 11:52:38,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 262 transitions, 602 flow [2022-11-16 11:52:38,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 262 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:38,534 INFO L231 Difference]: Finished difference. Result has 266 places, 262 transitions, 534 flow [2022-11-16 11:52:38,535 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=266, PETRI_TRANSITIONS=262} [2022-11-16 11:52:38,536 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -65 predicate places. [2022-11-16 11:52:38,536 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 262 transitions, 534 flow [2022-11-16 11:52:38,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:38,537 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:38,538 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] [2022-11-16 11:52:38,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:52:38,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:38,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2013099873, now seen corresponding path program 1 times [2022-11-16 11:52:38,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:38,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734492966] [2022-11-16 11:52:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:38,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:38,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:38,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734492966] [2022-11-16 11:52:38,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734492966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:38,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:38,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:38,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413029701] [2022-11-16 11:52:38,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:38,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:38,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:38,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:38,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:38,605 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 351 [2022-11-16 11:52:38,607 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 262 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:38,607 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:38,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 351 [2022-11-16 11:52:38,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:39,445 INFO L130 PetriNetUnfolder]: 1068/2393 cut-off events. [2022-11-16 11:52:39,446 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:39,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4273 conditions, 2393 events. 1068/2393 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14063 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4198. Up to 1741 conditions per place. [2022-11-16 11:52:39,465 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 38 selfloop transitions, 2 changer transitions 0/261 dead transitions. [2022-11-16 11:52:39,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 261 transitions, 612 flow [2022-11-16 11:52:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2022-11-16 11:52:39,472 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7568850902184235 [2022-11-16 11:52:39,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 797 transitions. [2022-11-16 11:52:39,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 797 transitions. [2022-11-16 11:52:39,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:39,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 797 transitions. [2022-11-16 11:52:39,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:39,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:39,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:39,482 INFO L175 Difference]: Start difference. First operand has 266 places, 262 transitions, 534 flow. Second operand 3 states and 797 transitions. [2022-11-16 11:52:39,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 261 transitions, 612 flow [2022-11-16 11:52:39,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 261 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:39,494 INFO L231 Difference]: Finished difference. Result has 265 places, 261 transitions, 532 flow [2022-11-16 11:52:39,495 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=265, PETRI_TRANSITIONS=261} [2022-11-16 11:52:39,496 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -66 predicate places. [2022-11-16 11:52:39,496 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 261 transitions, 532 flow [2022-11-16 11:52:39,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:39,497 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:39,497 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] [2022-11-16 11:52:39,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:52:39,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:39,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1047005593, now seen corresponding path program 1 times [2022-11-16 11:52:39,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:39,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515686939] [2022-11-16 11:52:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:39,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:39,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:39,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:39,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515686939] [2022-11-16 11:52:39,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515686939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:39,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:39,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:39,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563208172] [2022-11-16 11:52:39,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:39,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:39,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:39,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:39,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:39,581 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 351 [2022-11-16 11:52:39,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 261 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:39,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:39,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 351 [2022-11-16 11:52:39,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:40,150 INFO L130 PetriNetUnfolder]: 1068/2391 cut-off events. [2022-11-16 11:52:40,151 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-11-16 11:52:40,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4266 conditions, 2391 events. 1068/2391 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14102 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4183. Up to 1735 conditions per place. [2022-11-16 11:52:40,176 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 34 selfloop transitions, 1 changer transitions 0/259 dead transitions. [2022-11-16 11:52:40,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 259 transitions, 598 flow [2022-11-16 11:52:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2022-11-16 11:52:40,181 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.761633428300095 [2022-11-16 11:52:40,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 802 transitions. [2022-11-16 11:52:40,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 802 transitions. [2022-11-16 11:52:40,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:40,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 802 transitions. [2022-11-16 11:52:40,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:40,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:40,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:40,189 INFO L175 Difference]: Start difference. First operand has 265 places, 261 transitions, 532 flow. Second operand 3 states and 802 transitions. [2022-11-16 11:52:40,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 259 transitions, 598 flow [2022-11-16 11:52:40,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 259 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:40,386 INFO L231 Difference]: Finished difference. Result has 263 places, 259 transitions, 526 flow [2022-11-16 11:52:40,387 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=263, PETRI_TRANSITIONS=259} [2022-11-16 11:52:40,388 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -68 predicate places. [2022-11-16 11:52:40,388 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 259 transitions, 526 flow [2022-11-16 11:52:40,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:40,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:40,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:40,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:52:40,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash 98281577, now seen corresponding path program 1 times [2022-11-16 11:52:40,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:40,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875117120] [2022-11-16 11:52:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:40,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:40,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:40,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875117120] [2022-11-16 11:52:40,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875117120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:40,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:40,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:40,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299043114] [2022-11-16 11:52:40,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:40,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:40,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:40,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:40,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:40,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:40,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 259 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:40,495 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:40,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:40,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:41,045 INFO L130 PetriNetUnfolder]: 1068/2390 cut-off events. [2022-11-16 11:52:41,045 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-16 11:52:41,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4263 conditions, 2390 events. 1068/2390 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14034 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4181. Up to 1735 conditions per place. [2022-11-16 11:52:41,067 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2022-11-16 11:52:41,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 258 transitions, 592 flow [2022-11-16 11:52:41,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-16 11:52:41,070 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-16 11:52:41,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-16 11:52:41,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-16 11:52:41,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:41,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-16 11:52:41,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:41,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:41,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:41,077 INFO L175 Difference]: Start difference. First operand has 263 places, 259 transitions, 526 flow. Second operand 3 states and 809 transitions. [2022-11-16 11:52:41,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 258 transitions, 592 flow [2022-11-16 11:52:41,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 258 transitions, 591 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:52:41,084 INFO L231 Difference]: Finished difference. Result has 263 places, 258 transitions, 527 flow [2022-11-16 11:52:41,085 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=263, PETRI_TRANSITIONS=258} [2022-11-16 11:52:41,086 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -68 predicate places. [2022-11-16 11:52:41,086 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 258 transitions, 527 flow [2022-11-16 11:52:41,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:41,087 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:41,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:41,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:52:41,088 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:41,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:41,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1821391812, now seen corresponding path program 1 times [2022-11-16 11:52:41,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:41,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627356194] [2022-11-16 11:52:41,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:41,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:41,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:41,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627356194] [2022-11-16 11:52:41,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627356194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:41,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:41,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:52:41,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819917173] [2022-11-16 11:52:41,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:41,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:41,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:41,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:41,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:41,693 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 351 [2022-11-16 11:52:41,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 258 transitions, 527 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:41,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:41,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 351 [2022-11-16 11:52:41,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:45,025 INFO L130 PetriNetUnfolder]: 8982/13803 cut-off events. [2022-11-16 11:52:45,025 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:52:45,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26795 conditions, 13803 events. 8982/13803 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 79256 event pairs, 8980 based on Foata normal form. 0/13218 useless extension candidates. Maximal degree in co-relation 26714. Up to 12849 conditions per place. [2022-11-16 11:52:45,118 INFO L137 encePairwiseOnDemand]: 345/351 looper letters, 58 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2022-11-16 11:52:45,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 257 transitions, 651 flow [2022-11-16 11:52:45,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:52:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:52:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2022-11-16 11:52:45,123 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6828110161443495 [2022-11-16 11:52:45,123 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2022-11-16 11:52:45,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2022-11-16 11:52:45,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:45,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2022-11-16 11:52:45,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:45,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:45,135 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:45,135 INFO L175 Difference]: Start difference. First operand has 263 places, 258 transitions, 527 flow. Second operand 6 states and 1438 transitions. [2022-11-16 11:52:45,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 257 transitions, 651 flow [2022-11-16 11:52:45,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 257 transitions, 647 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:45,142 INFO L231 Difference]: Finished difference. Result has 265 places, 257 transitions, 531 flow [2022-11-16 11:52:45,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=265, PETRI_TRANSITIONS=257} [2022-11-16 11:52:45,146 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -66 predicate places. [2022-11-16 11:52:45,146 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 257 transitions, 531 flow [2022-11-16 11:52:45,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:45,147 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:45,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:45,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:52:45,148 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:45,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:45,149 INFO L85 PathProgramCache]: Analyzing trace with hash -404704122, now seen corresponding path program 1 times [2022-11-16 11:52:45,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:45,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468712064] [2022-11-16 11:52:45,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:45,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:45,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:45,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468712064] [2022-11-16 11:52:45,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468712064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:45,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:45,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:45,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096361371] [2022-11-16 11:52:45,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:45,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:45,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:45,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:45,221 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 351 [2022-11-16 11:52:45,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 257 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:45,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:45,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 351 [2022-11-16 11:52:45,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:46,004 INFO L130 PetriNetUnfolder]: 1119/2452 cut-off events. [2022-11-16 11:52:46,005 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-11-16 11:52:46,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4426 conditions, 2452 events. 1119/2452 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 14637 event pairs, 906 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 4408. Up to 1537 conditions per place. [2022-11-16 11:52:46,024 INFO L137 encePairwiseOnDemand]: 340/351 looper letters, 58 selfloop transitions, 7 changer transitions 0/279 dead transitions. [2022-11-16 11:52:46,025 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 279 transitions, 708 flow [2022-11-16 11:52:46,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2022-11-16 11:52:46,028 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7749287749287749 [2022-11-16 11:52:46,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 816 transitions. [2022-11-16 11:52:46,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 816 transitions. [2022-11-16 11:52:46,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:46,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 816 transitions. [2022-11-16 11:52:46,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:46,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:46,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:46,035 INFO L175 Difference]: Start difference. First operand has 265 places, 257 transitions, 531 flow. Second operand 3 states and 816 transitions. [2022-11-16 11:52:46,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 279 transitions, 708 flow [2022-11-16 11:52:46,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 279 transitions, 698 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:52:46,042 INFO L231 Difference]: Finished difference. Result has 260 places, 259 transitions, 565 flow [2022-11-16 11:52:46,043 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=260, PETRI_TRANSITIONS=259} [2022-11-16 11:52:46,044 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -71 predicate places. [2022-11-16 11:52:46,044 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 259 transitions, 565 flow [2022-11-16 11:52:46,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:46,045 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:46,045 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:46,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:52:46,046 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:46,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1921396776, now seen corresponding path program 1 times [2022-11-16 11:52:46,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:46,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067990522] [2022-11-16 11:52:46,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:46,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:46,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067990522] [2022-11-16 11:52:46,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067990522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:46,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:46,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:46,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270355849] [2022-11-16 11:52:46,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:46,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:46,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:46,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:46,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:46,107 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 351 [2022-11-16 11:52:46,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 259 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:46,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:46,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 351 [2022-11-16 11:52:46,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:46,873 INFO L130 PetriNetUnfolder]: 1119/2472 cut-off events. [2022-11-16 11:52:46,873 INFO L131 PetriNetUnfolder]: For 608/609 co-relation queries the response was YES. [2022-11-16 11:52:46,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5068 conditions, 2472 events. 1119/2472 cut-off events. For 608/609 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 14914 event pairs, 580 based on Foata normal form. 2/2431 useless extension candidates. Maximal degree in co-relation 4984. Up to 1030 conditions per place. [2022-11-16 11:52:47,053 INFO L137 encePairwiseOnDemand]: 344/351 looper letters, 62 selfloop transitions, 4 changer transitions 5/285 dead transitions. [2022-11-16 11:52:47,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 285 transitions, 791 flow [2022-11-16 11:52:47,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 823 transitions. [2022-11-16 11:52:47,057 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7815764482431149 [2022-11-16 11:52:47,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 823 transitions. [2022-11-16 11:52:47,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 823 transitions. [2022-11-16 11:52:47,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:47,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 823 transitions. [2022-11-16 11:52:47,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,064 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,064 INFO L175 Difference]: Start difference. First operand has 260 places, 259 transitions, 565 flow. Second operand 3 states and 823 transitions. [2022-11-16 11:52:47,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 285 transitions, 791 flow [2022-11-16 11:52:47,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 285 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:47,072 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 544 flow [2022-11-16 11:52:47,073 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2022-11-16 11:52:47,075 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -73 predicate places. [2022-11-16 11:52:47,076 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 544 flow [2022-11-16 11:52:47,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,077 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:47,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:47,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:52:47,077 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash -456735731, now seen corresponding path program 1 times [2022-11-16 11:52:47,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:47,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531487624] [2022-11-16 11:52:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:47,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:47,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:47,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531487624] [2022-11-16 11:52:47,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531487624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:47,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:47,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:47,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256119267] [2022-11-16 11:52:47,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:47,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:47,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:47,144 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:47,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,145 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:47,145 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:47,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:47,736 INFO L130 PetriNetUnfolder]: 1119/2512 cut-off events. [2022-11-16 11:52:47,736 INFO L131 PetriNetUnfolder]: For 500/500 co-relation queries the response was YES. [2022-11-16 11:52:47,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5287 conditions, 2512 events. 1119/2512 cut-off events. For 500/500 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15150 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 5204. Up to 1819 conditions per place. [2022-11-16 11:52:47,763 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2022-11-16 11:52:47,763 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 251 transitions, 620 flow [2022-11-16 11:52:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-16 11:52:47,766 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-16 11:52:47,766 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-16 11:52:47,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-16 11:52:47,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:47,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-16 11:52:47,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,790 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 544 flow. Second operand 3 states and 808 transitions. [2022-11-16 11:52:47,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 251 transitions, 620 flow [2022-11-16 11:52:47,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 251 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:47,797 INFO L231 Difference]: Finished difference. Result has 252 places, 251 transitions, 538 flow [2022-11-16 11:52:47,798 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=252, PETRI_TRANSITIONS=251} [2022-11-16 11:52:47,799 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -79 predicate places. [2022-11-16 11:52:47,800 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 251 transitions, 538 flow [2022-11-16 11:52:47,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,802 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:47,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:47,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:52:47,802 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:47,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash -20403506, now seen corresponding path program 1 times [2022-11-16 11:52:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:47,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245848203] [2022-11-16 11:52:47,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:47,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:47,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:47,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245848203] [2022-11-16 11:52:47,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245848203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:47,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:47,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:47,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399845889] [2022-11-16 11:52:47,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:47,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:47,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:47,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:47,872 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:47,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 251 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:47,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:47,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:47,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:48,479 INFO L130 PetriNetUnfolder]: 1119/2511 cut-off events. [2022-11-16 11:52:48,479 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-16 11:52:48,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4867 conditions, 2511 events. 1119/2511 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15178 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4784. Up to 1819 conditions per place. [2022-11-16 11:52:48,504 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2022-11-16 11:52:48,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 250 transitions, 614 flow [2022-11-16 11:52:48,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:48,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-16 11:52:48,507 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-16 11:52:48,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-16 11:52:48,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-16 11:52:48,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:48,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-16 11:52:48,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:48,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:48,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:48,514 INFO L175 Difference]: Start difference. First operand has 252 places, 251 transitions, 538 flow. Second operand 3 states and 808 transitions. [2022-11-16 11:52:48,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 250 transitions, 614 flow [2022-11-16 11:52:48,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 250 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:48,521 INFO L231 Difference]: Finished difference. Result has 251 places, 250 transitions, 536 flow [2022-11-16 11:52:48,522 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=251, PETRI_TRANSITIONS=250} [2022-11-16 11:52:48,523 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -80 predicate places. [2022-11-16 11:52:48,523 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 250 transitions, 536 flow [2022-11-16 11:52:48,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:48,524 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:48,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:48,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:52:48,524 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:48,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:48,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1224958207, now seen corresponding path program 1 times [2022-11-16 11:52:48,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:48,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106091032] [2022-11-16 11:52:48,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:48,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:48,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:48,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106091032] [2022-11-16 11:52:48,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106091032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:48,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:48,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:48,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571631325] [2022-11-16 11:52:48,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:48,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:48,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:48,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:48,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:48,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:48,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 250 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:48,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:48,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:48,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:49,227 INFO L130 PetriNetUnfolder]: 1119/2510 cut-off events. [2022-11-16 11:52:49,228 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-16 11:52:49,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4866 conditions, 2510 events. 1119/2510 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15145 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4783. Up to 1819 conditions per place. [2022-11-16 11:52:49,247 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2022-11-16 11:52:49,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 249 transitions, 612 flow [2022-11-16 11:52:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-16 11:52:49,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-16 11:52:49,252 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:49,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,259 INFO L175 Difference]: Start difference. First operand has 251 places, 250 transitions, 536 flow. Second operand 3 states and 808 transitions. [2022-11-16 11:52:49,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 249 transitions, 612 flow [2022-11-16 11:52:49,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 249 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:49,265 INFO L231 Difference]: Finished difference. Result has 250 places, 249 transitions, 534 flow [2022-11-16 11:52:49,267 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=250, PETRI_TRANSITIONS=249} [2022-11-16 11:52:49,267 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-16 11:52:49,268 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 249 transitions, 534 flow [2022-11-16 11:52:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,268 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:49,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:49,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:52:49,269 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:49,270 INFO L85 PathProgramCache]: Analyzing trace with hash -604011605, now seen corresponding path program 1 times [2022-11-16 11:52:49,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:49,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260413787] [2022-11-16 11:52:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:49,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:49,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:49,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260413787] [2022-11-16 11:52:49,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260413787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:49,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:49,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:52:49,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886857631] [2022-11-16 11:52:49,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:49,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:52:49,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:52:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:52:49,348 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-16 11:52:49,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 249 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:49,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-16 11:52:49,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:49,820 INFO L130 PetriNetUnfolder]: 1119/2509 cut-off events. [2022-11-16 11:52:49,820 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-16 11:52:49,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4865 conditions, 2509 events. 1119/2509 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15129 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4782. Up to 1819 conditions per place. [2022-11-16 11:52:49,840 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2022-11-16 11:52:49,840 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 248 transitions, 610 flow [2022-11-16 11:52:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:52:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:52:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-16 11:52:49,844 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-16 11:52:49,844 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:49,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-16 11:52:49,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,851 INFO L175 Difference]: Start difference. First operand has 250 places, 249 transitions, 534 flow. Second operand 3 states and 808 transitions. [2022-11-16 11:52:49,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 248 transitions, 610 flow [2022-11-16 11:52:49,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:49,857 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 532 flow [2022-11-16 11:52:49,857 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2022-11-16 11:52:49,858 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -82 predicate places. [2022-11-16 11:52:49,858 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 532 flow [2022-11-16 11:52:49,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:49,859 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:49,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:49,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:52:49,860 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:49,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:49,861 INFO L85 PathProgramCache]: Analyzing trace with hash 530624126, now seen corresponding path program 1 times [2022-11-16 11:52:49,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:49,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806437728] [2022-11-16 11:52:49,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:49,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:50,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:50,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806437728] [2022-11-16 11:52:50,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806437728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:50,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:50,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:52:50,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385352086] [2022-11-16 11:52:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:50,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:50,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:50,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:50,600 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-16 11:52:50,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:50,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:50,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-16 11:52:50,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:53,733 INFO L130 PetriNetUnfolder]: 9423/14470 cut-off events. [2022-11-16 11:52:53,733 INFO L131 PetriNetUnfolder]: For 2012/2012 co-relation queries the response was YES. [2022-11-16 11:52:53,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30365 conditions, 14470 events. 9423/14470 cut-off events. For 2012/2012 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 83194 event pairs, 2254 based on Foata normal form. 0/14384 useless extension candidates. Maximal degree in co-relation 30281. Up to 4563 conditions per place. [2022-11-16 11:52:53,847 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 171 selfloop transitions, 4 changer transitions 1/363 dead transitions. [2022-11-16 11:52:53,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 363 transitions, 1210 flow [2022-11-16 11:52:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:52:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:52:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1551 transitions. [2022-11-16 11:52:53,854 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7364672364672364 [2022-11-16 11:52:53,854 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1551 transitions. [2022-11-16 11:52:53,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1551 transitions. [2022-11-16 11:52:53,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:53,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1551 transitions. [2022-11-16 11:52:53,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 258.5) internal successors, (1551), 6 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:53,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:53,867 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:53,868 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 532 flow. Second operand 6 states and 1551 transitions. [2022-11-16 11:52:53,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 363 transitions, 1210 flow [2022-11-16 11:52:53,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 363 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:52:53,878 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 532 flow [2022-11-16 11:52:53,878 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2022-11-16 11:52:53,879 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -80 predicate places. [2022-11-16 11:52:53,879 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 532 flow [2022-11-16 11:52:53,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:53,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:53,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:53,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:52:53,881 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash -748084894, now seen corresponding path program 1 times [2022-11-16 11:52:53,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:53,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943287223] [2022-11-16 11:52:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:53,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:54,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:54,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943287223] [2022-11-16 11:52:54,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943287223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:54,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:54,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:52:54,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529269840] [2022-11-16 11:52:54,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:54,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:54,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:54,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:54,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:54,854 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-16 11:52:54,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 238.66666666666666) internal successors, (1432), 6 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:54,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:54,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-16 11:52:54,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:52:58,030 INFO L130 PetriNetUnfolder]: 8129/12733 cut-off events. [2022-11-16 11:52:58,031 INFO L131 PetriNetUnfolder]: For 2658/2658 co-relation queries the response was YES. [2022-11-16 11:52:58,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28569 conditions, 12733 events. 8129/12733 cut-off events. For 2658/2658 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 74577 event pairs, 7476 based on Foata normal form. 0/12625 useless extension candidates. Maximal degree in co-relation 28485. Up to 11010 conditions per place. [2022-11-16 11:52:58,134 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 110 selfloop transitions, 4 changer transitions 0/301 dead transitions. [2022-11-16 11:52:58,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 301 transitions, 902 flow [2022-11-16 11:52:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:52:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:52:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1509 transitions. [2022-11-16 11:52:58,141 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7165242165242165 [2022-11-16 11:52:58,141 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1509 transitions. [2022-11-16 11:52:58,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1509 transitions. [2022-11-16 11:52:58,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:52:58,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1509 transitions. [2022-11-16 11:52:58,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:58,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:58,155 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:58,156 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 532 flow. Second operand 6 states and 1509 transitions. [2022-11-16 11:52:58,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 301 transitions, 902 flow [2022-11-16 11:52:58,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 301 transitions, 895 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:52:58,173 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 531 flow [2022-11-16 11:52:58,174 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2022-11-16 11:52:58,175 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-16 11:52:58,175 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 531 flow [2022-11-16 11:52:58,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 238.66666666666666) internal successors, (1432), 6 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:58,176 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:52:58,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:52:58,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:52:58,177 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-16 11:52:58,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 109993012, now seen corresponding path program 1 times [2022-11-16 11:52:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:58,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200599526] [2022-11-16 11:52:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:52:59,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:59,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200599526] [2022-11-16 11:52:59,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200599526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:59,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:59,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:52:59,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895785192] [2022-11-16 11:52:59,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:59,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:59,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:59,018 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-16 11:52:59,019 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 531 flow. Second operand has 6 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:52:59,020 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:52:59,020 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-16 11:52:59,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:53:01,671 INFO L130 PetriNetUnfolder]: 8269/13187 cut-off events. [2022-11-16 11:53:01,671 INFO L131 PetriNetUnfolder]: For 1678/1678 co-relation queries the response was YES. [2022-11-16 11:53:01,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27954 conditions, 13187 events. 8269/13187 cut-off events. For 1678/1678 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 79155 event pairs, 7997 based on Foata normal form. 4/12951 useless extension candidates. Maximal degree in co-relation 27870. Up to 11872 conditions per place. [2022-11-16 11:53:01,701 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 0 selfloop transitions, 0 changer transitions 256/256 dead transitions. [2022-11-16 11:53:01,701 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 256 transitions, 691 flow [2022-11-16 11:53:01,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:53:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:53:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2022-11-16 11:53:01,706 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6970560303893637 [2022-11-16 11:53:01,706 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1468 transitions. [2022-11-16 11:53:01,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1468 transitions. [2022-11-16 11:53:01,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:53:01,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1468 transitions. [2022-11-16 11:53:01,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:01,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:01,716 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:01,717 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 531 flow. Second operand 6 states and 1468 transitions. [2022-11-16 11:53:01,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 256 transitions, 691 flow [2022-11-16 11:53:01,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 256 transitions, 684 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:53:01,724 INFO L231 Difference]: Finished difference. Result has 250 places, 0 transitions, 0 flow [2022-11-16 11:53:01,724 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=250, PETRI_TRANSITIONS=0} [2022-11-16 11:53:01,725 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-16 11:53:01,725 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 0 transitions, 0 flow [2022-11-16 11:53:01,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:53:01,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (128 of 129 remaining) [2022-11-16 11:53:01,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (127 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (125 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (124 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (123 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (122 of 129 remaining) [2022-11-16 11:53:01,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (121 of 129 remaining) [2022-11-16 11:53:01,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (120 of 129 remaining) [2022-11-16 11:53:01,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (119 of 129 remaining) [2022-11-16 11:53:01,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (118 of 129 remaining) [2022-11-16 11:53:01,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (117 of 129 remaining) [2022-11-16 11:53:01,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (116 of 129 remaining) [2022-11-16 11:53:01,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (115 of 129 remaining) [2022-11-16 11:53:01,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (114 of 129 remaining) [2022-11-16 11:53:01,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (113 of 129 remaining) [2022-11-16 11:53:01,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (112 of 129 remaining) [2022-11-16 11:53:01,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 129 remaining) [2022-11-16 11:53:01,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (110 of 129 remaining) [2022-11-16 11:53:01,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (109 of 129 remaining) [2022-11-16 11:53:01,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (108 of 129 remaining) [2022-11-16 11:53:01,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (107 of 129 remaining) [2022-11-16 11:53:01,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (106 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (105 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (104 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (103 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (101 of 129 remaining) [2022-11-16 11:53:01,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (100 of 129 remaining) [2022-11-16 11:53:01,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (99 of 129 remaining) [2022-11-16 11:53:01,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (98 of 129 remaining) [2022-11-16 11:53:01,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (97 of 129 remaining) [2022-11-16 11:53:01,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (96 of 129 remaining) [2022-11-16 11:53:01,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (95 of 129 remaining) [2022-11-16 11:53:01,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 129 remaining) [2022-11-16 11:53:01,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (93 of 129 remaining) [2022-11-16 11:53:01,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (92 of 129 remaining) [2022-11-16 11:53:01,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (91 of 129 remaining) [2022-11-16 11:53:01,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (90 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (89 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 129 remaining) [2022-11-16 11:53:01,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 129 remaining) [2022-11-16 11:53:01,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 129 remaining) [2022-11-16 11:53:01,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 129 remaining) [2022-11-16 11:53:01,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 129 remaining) [2022-11-16 11:53:01,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 129 remaining) [2022-11-16 11:53:01,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 129 remaining) [2022-11-16 11:53:01,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 129 remaining) [2022-11-16 11:53:01,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (77 of 129 remaining) [2022-11-16 11:53:01,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (76 of 129 remaining) [2022-11-16 11:53:01,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (75 of 129 remaining) [2022-11-16 11:53:01,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (74 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (73 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (72 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (71 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (70 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 129 remaining) [2022-11-16 11:53:01,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 129 remaining) [2022-11-16 11:53:01,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (67 of 129 remaining) [2022-11-16 11:53:01,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 129 remaining) [2022-11-16 11:53:01,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (65 of 129 remaining) [2022-11-16 11:53:01,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (64 of 129 remaining) [2022-11-16 11:53:01,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (63 of 129 remaining) [2022-11-16 11:53:01,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (62 of 129 remaining) [2022-11-16 11:53:01,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (61 of 129 remaining) [2022-11-16 11:53:01,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (60 of 129 remaining) [2022-11-16 11:53:01,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (59 of 129 remaining) [2022-11-16 11:53:01,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (58 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (57 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (56 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (55 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (54 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 129 remaining) [2022-11-16 11:53:01,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 129 remaining) [2022-11-16 11:53:01,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 129 remaining) [2022-11-16 11:53:01,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 129 remaining) [2022-11-16 11:53:01,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 129 remaining) [2022-11-16 11:53:01,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 129 remaining) [2022-11-16 11:53:01,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (42 of 129 remaining) [2022-11-16 11:53:01,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (41 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (40 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (39 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (38 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (36 of 129 remaining) [2022-11-16 11:53:01,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (35 of 129 remaining) [2022-11-16 11:53:01,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (34 of 129 remaining) [2022-11-16 11:53:01,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 129 remaining) [2022-11-16 11:53:01,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (32 of 129 remaining) [2022-11-16 11:53:01,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (31 of 129 remaining) [2022-11-16 11:53:01,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 129 remaining) [2022-11-16 11:53:01,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 129 remaining) [2022-11-16 11:53:01,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 129 remaining) [2022-11-16 11:53:01,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 129 remaining) [2022-11-16 11:53:01,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 129 remaining) [2022-11-16 11:53:01,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (25 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (24 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (23 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (22 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (21 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (20 of 129 remaining) [2022-11-16 11:53:01,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (19 of 129 remaining) [2022-11-16 11:53:01,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (18 of 129 remaining) [2022-11-16 11:53:01,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (17 of 129 remaining) [2022-11-16 11:53:01,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (16 of 129 remaining) [2022-11-16 11:53:01,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 129 remaining) [2022-11-16 11:53:01,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (14 of 129 remaining) [2022-11-16 11:53:01,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (13 of 129 remaining) [2022-11-16 11:53:01,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (12 of 129 remaining) [2022-11-16 11:53:01,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (11 of 129 remaining) [2022-11-16 11:53:01,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 129 remaining) [2022-11-16 11:53:01,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 129 remaining) [2022-11-16 11:53:01,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 129 remaining) [2022-11-16 11:53:01,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 129 remaining) [2022-11-16 11:53:01,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 129 remaining) [2022-11-16 11:53:01,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 129 remaining) [2022-11-16 11:53:01,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 129 remaining) [2022-11-16 11:53:01,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 129 remaining) [2022-11-16 11:53:01,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 129 remaining) [2022-11-16 11:53:01,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 129 remaining) [2022-11-16 11:53:01,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 129 remaining) [2022-11-16 11:53:01,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:53:01,754 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:53:01,761 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:53:01,761 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:53:01,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:53:01 BasicIcfg [2022-11-16 11:53:01,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:53:01,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:53:01,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:53:01,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:53:01,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:52:32" (3/4) ... [2022-11-16 11:53:01,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:53:01,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:53:01,778 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:53:01,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:53:01,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-16 11:53:01,786 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:53:01,787 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:53:01,787 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:53:01,846 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:53:01,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:53:01,847 INFO L158 Benchmark]: Toolchain (without parser) took 32221.08ms. Allocated memory was 94.4MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 61.7MB in the beginning and 6.3GB in the end (delta: -6.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-16 11:53:01,847 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:53:01,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.13ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 67.7MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:53:01,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.50ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 64.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:53:01,849 INFO L158 Benchmark]: Boogie Preprocessor took 79.73ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 61.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:53:01,849 INFO L158 Benchmark]: RCFGBuilder took 1812.49ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 66.7MB in the end (delta: -5.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-16 11:53:01,850 INFO L158 Benchmark]: TraceAbstraction took 29731.22ms. Allocated memory was 119.5MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 66.1MB in the beginning and 6.3GB in the end (delta: -6.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. [2022-11-16 11:53:01,850 INFO L158 Benchmark]: Witness Printer took 78.48ms. Allocated memory is still 7.4GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:53:01,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.13ms. Allocated memory is still 94.4MB. Free memory was 61.6MB in the beginning and 67.7MB in the end (delta: -6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.50ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 64.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.73ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 61.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1812.49ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 66.7MB in the end (delta: -5.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 29731.22ms. Allocated memory was 119.5MB in the beginning and 7.4GB in the end (delta: 7.3GB). Free memory was 66.1MB in the beginning and 6.3GB in the end (delta: -6.3GB). Peak memory consumption was 4.3GB. Max. memory is 16.1GB. * Witness Printer took 78.48ms. Allocated memory is still 7.4GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: 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 7 procedures, 430 locations, 129 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: 29.5s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1707 IncrementalHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 160 mSDtfsCounter, 1707 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=0, InterpolantAutomatonStates: 69, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2036 NumberOfCodeBlocks, 2036 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2017 ConstructedInterpolants, 0 QuantifiedInterpolants, 2405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:53:01,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f459b62-a717-4ba6-9edf-859ba8564bb8/bin/uautomizer-tPACEb0tL8/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