./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a --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 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e --- 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-b5237d8 [2022-11-21 16:53:27,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:53:27,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:53:27,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:53:27,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:53:27,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:53:27,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:53:27,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:53:27,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:53:27,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:53:27,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:53:27,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:53:27,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:53:27,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:53:27,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:53:27,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:53:27,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:53:27,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:53:27,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:53:27,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:53:27,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:53:27,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:53:27,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:53:27,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:53:27,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:53:27,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:53:27,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:53:27,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:53:27,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:53:27,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:53:27,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:53:27,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:53:27,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:53:27,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:53:27,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:53:27,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:53:27,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:53:27,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:53:27,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:53:27,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:53:27,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:53:27,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:53:27,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:53:27,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:53:27,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:53:27,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:53:27,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:53:27,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:53:27,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:53:27,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:53:27,362 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:53:27,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:53:27,362 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:53:27,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:53:27,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:53:27,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:53:27,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:53:27,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:53:27,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:53:27,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:53:27,364 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:53:27,364 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:53:27,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:53:27,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:53:27,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:53:27,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:53:27,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:53:27,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:53:27,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:53:27,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:53:27,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:53:27,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:53:27,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:53:27,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:53:27,367 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:53:27,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:53:27,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:53:27,368 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_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e [2022-11-21 16:53:27,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:53:27,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:53:27,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:53:27,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:53:27,757 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:53:27,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2022-11-21 16:53:31,161 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:53:31,443 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:53:31,444 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/sv-benchmarks/c/weaver/unroll-4.wvr.c [2022-11-21 16:53:31,452 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/data/8a5030588/036330b345154289a881bad97a3c04fc/FLAG0c0cc57c5 [2022-11-21 16:53:31,468 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/data/8a5030588/036330b345154289a881bad97a3c04fc [2022-11-21 16:53:31,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:53:31,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:53:31,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:53:31,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:53:31,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:53:31,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b533d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31, skipping insertion in model container [2022-11-21 16:53:31,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:53:31,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:53:31,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2022-11-21 16:53:31,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:53:31,759 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:53:31,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/sv-benchmarks/c/weaver/unroll-4.wvr.c[2572,2585] [2022-11-21 16:53:31,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:53:31,823 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:53:31,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31 WrapperNode [2022-11-21 16:53:31,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:53:31,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:53:31,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:53:31,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:53:31,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,898 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 312 [2022-11-21 16:53:31,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:53:31,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:53:31,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:53:31,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:53:31,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:31,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:53:31,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:53:31,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:53:31,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:53:31,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (1/1) ... [2022-11-21 16:53:32,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:53:32,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:53:32,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:53:32,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:53:32,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:53:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:53:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:53:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:53:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:53:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:53:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:53:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:53:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:53:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:53:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:53:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:53:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:53:32,115 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:53:32,258 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:53:32,264 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:53:33,059 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:53:33,075 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:53:33,076 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 16:53:33,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:53:33 BoogieIcfgContainer [2022-11-21 16:53:33,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:53:33,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:53:33,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:53:33,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:53:33,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:53:31" (1/3) ... [2022-11-21 16:53:33,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7867cb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:53:33, skipping insertion in model container [2022-11-21 16:53:33,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:53:31" (2/3) ... [2022-11-21 16:53:33,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7867cb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:53:33, skipping insertion in model container [2022-11-21 16:53:33,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:53:33" (3/3) ... [2022-11-21 16:53:33,091 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2022-11-21 16:53:33,103 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:53:33,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:53:33,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-11-21 16:53:33,118 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:53:33,372 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 16:53:33,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 409 transitions, 834 flow [2022-11-21 16:53:33,734 INFO L130 PetriNetUnfolder]: 21/407 cut-off events. [2022-11-21 16:53:33,734 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:53:33,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 407 events. 21/407 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 544 event pairs, 0 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 262. Up to 2 conditions per place. [2022-11-21 16:53:33,752 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 409 transitions, 834 flow [2022-11-21 16:53:33,773 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 389 transitions, 790 flow [2022-11-21 16:53:33,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:53:33,809 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;@553a88d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:53:33,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-11-21 16:53:33,816 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-21 16:53:33,816 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:53:33,816 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:33,818 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:33,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:33,824 INFO L85 PathProgramCache]: Analyzing trace with hash -829400466, now seen corresponding path program 1 times [2022-11-21 16:53:33,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:33,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523550636] [2022-11-21 16:53:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:34,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:34,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:34,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523550636] [2022-11-21 16:53:34,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523550636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:34,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:34,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:34,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656637379] [2022-11-21 16:53:34,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:34,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:34,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:34,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:34,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:34,110 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 409 [2022-11-21 16:53:34,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 389 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2022-11-21 16:53:34,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:34,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 409 [2022-11-21 16:53:34,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:34,544 INFO L130 PetriNetUnfolder]: 49/1238 cut-off events. [2022-11-21 16:53:34,544 INFO L131 PetriNetUnfolder]: For 32/62 co-relation queries the response was YES. [2022-11-21 16:53:34,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 1238 events. 49/1238 cut-off events. For 32/62 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5863 event pairs, 15 based on Foata normal form. 28/1018 useless extension candidates. Maximal degree in co-relation 1105. Up to 55 conditions per place. [2022-11-21 16:53:34,559 INFO L137 encePairwiseOnDemand]: 394/409 looper letters, 16 selfloop transitions, 2 changer transitions 4/376 dead transitions. [2022-11-21 16:53:34,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 376 transitions, 800 flow [2022-11-21 16:53:34,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1159 transitions. [2022-11-21 16:53:34,588 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9445802770986145 [2022-11-21 16:53:34,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1159 transitions. [2022-11-21 16:53:34,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1159 transitions. [2022-11-21 16:53:34,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:34,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1159 transitions. [2022-11-21 16:53:34,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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) [2022-11-21 16:53:34,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:34,623 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:34,625 INFO L175 Difference]: Start difference. First operand has 376 places, 389 transitions, 790 flow. Second operand 3 states and 1159 transitions. [2022-11-21 16:53:34,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 376 transitions, 800 flow [2022-11-21 16:53:34,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 376 transitions, 792 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:53:34,645 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 752 flow [2022-11-21 16:53:34,649 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=752, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2022-11-21 16:53:34,655 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -3 predicate places. [2022-11-21 16:53:34,655 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 752 flow [2022-11-21 16:53:34,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2022-11-21 16:53:34,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:34,657 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:34,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:53:34,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:34,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:34,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1542791520, now seen corresponding path program 1 times [2022-11-21 16:53:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:34,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638969240] [2022-11-21 16:53:34,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:34,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638969240] [2022-11-21 16:53:34,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638969240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:34,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:34,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:34,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593137229] [2022-11-21 16:53:34,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:34,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:34,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:34,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:34,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:34,792 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 409 [2022-11-21 16:53:34,794 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 752 flow. Second operand has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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) [2022-11-21 16:53:34,794 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:34,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 409 [2022-11-21 16:53:34,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:35,349 INFO L130 PetriNetUnfolder]: 120/1478 cut-off events. [2022-11-21 16:53:35,349 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-21 16:53:35,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1659 conditions, 1478 events. 120/1478 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7316 event pairs, 51 based on Foata normal form. 0/1172 useless extension candidates. Maximal degree in co-relation 1628. Up to 170 conditions per place. [2022-11-21 16:53:35,371 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 28 selfloop transitions, 2 changer transitions 0/371 dead transitions. [2022-11-21 16:53:35,371 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 371 transitions, 810 flow [2022-11-21 16:53:35,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:35,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1123 transitions. [2022-11-21 16:53:35,376 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9152404237978811 [2022-11-21 16:53:35,376 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1123 transitions. [2022-11-21 16:53:35,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1123 transitions. [2022-11-21 16:53:35,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:35,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1123 transitions. [2022-11-21 16:53:35,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.3333333333333) internal successors, (1123), 3 states have internal predecessors, (1123), 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) [2022-11-21 16:53:35,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:35,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:35,387 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 752 flow. Second operand 3 states and 1123 transitions. [2022-11-21 16:53:35,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 371 transitions, 810 flow [2022-11-21 16:53:35,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:53:35,399 INFO L231 Difference]: Finished difference. Result has 368 places, 371 transitions, 750 flow [2022-11-21 16:53:35,400 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=368, PETRI_TRANSITIONS=371} [2022-11-21 16:53:35,401 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -8 predicate places. [2022-11-21 16:53:35,401 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 371 transitions, 750 flow [2022-11-21 16:53:35,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 365.3333333333333) internal successors, (1096), 3 states have internal predecessors, (1096), 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) [2022-11-21 16:53:35,403 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:35,403 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] [2022-11-21 16:53:35,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:53:35,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:35,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:35,404 INFO L85 PathProgramCache]: Analyzing trace with hash 824047622, now seen corresponding path program 1 times [2022-11-21 16:53:35,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:35,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288775024] [2022-11-21 16:53:35,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:35,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288775024] [2022-11-21 16:53:35,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288775024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:35,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:35,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:35,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838957110] [2022-11-21 16:53:35,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:35,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:35,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:35,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:35,537 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 409 [2022-11-21 16:53:35,539 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 371 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2022-11-21 16:53:35,539 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:35,539 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 409 [2022-11-21 16:53:35,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:35,916 INFO L130 PetriNetUnfolder]: 79/1238 cut-off events. [2022-11-21 16:53:35,916 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-21 16:53:35,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 1238 events. 79/1238 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 5664 event pairs, 26 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1307. Up to 97 conditions per place. [2022-11-21 16:53:35,937 INFO L137 encePairwiseOnDemand]: 401/409 looper letters, 19 selfloop transitions, 1 changer transitions 0/364 dead transitions. [2022-11-21 16:53:35,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 364 transitions, 776 flow [2022-11-21 16:53:35,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1128 transitions. [2022-11-21 16:53:35,941 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9193154034229829 [2022-11-21 16:53:35,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1128 transitions. [2022-11-21 16:53:35,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1128 transitions. [2022-11-21 16:53:35,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:35,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1128 transitions. [2022-11-21 16:53:35,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.0) internal successors, (1128), 3 states have internal predecessors, (1128), 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) [2022-11-21 16:53:35,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:35,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:35,952 INFO L175 Difference]: Start difference. First operand has 368 places, 371 transitions, 750 flow. Second operand 3 states and 1128 transitions. [2022-11-21 16:53:35,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 364 transitions, 776 flow [2022-11-21 16:53:35,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 772 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:53:35,961 INFO L231 Difference]: Finished difference. Result has 361 places, 364 transitions, 734 flow [2022-11-21 16:53:35,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=361, PETRI_TRANSITIONS=364} [2022-11-21 16:53:35,963 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -15 predicate places. [2022-11-21 16:53:35,964 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 364 transitions, 734 flow [2022-11-21 16:53:35,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2022-11-21 16:53:35,965 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:35,965 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:53:35,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:53:35,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:35,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:35,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1376666492, now seen corresponding path program 1 times [2022-11-21 16:53:35,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:35,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338229548] [2022-11-21 16:53:35,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:35,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:36,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:36,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:36,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338229548] [2022-11-21 16:53:36,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338229548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:36,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:36,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:36,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895521032] [2022-11-21 16:53:36,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:36,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:36,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:36,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:36,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:36,118 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 409 [2022-11-21 16:53:36,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 364 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2022-11-21 16:53:36,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:36,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 409 [2022-11-21 16:53:36,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:36,490 INFO L130 PetriNetUnfolder]: 108/1275 cut-off events. [2022-11-21 16:53:36,491 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-21 16:53:36,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 1275 events. 108/1275 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5974 event pairs, 51 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1402. Up to 155 conditions per place. [2022-11-21 16:53:36,508 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 22 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2022-11-21 16:53:36,508 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 363 transitions, 780 flow [2022-11-21 16:53:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1135 transitions. [2022-11-21 16:53:36,512 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9250203748981255 [2022-11-21 16:53:36,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1135 transitions. [2022-11-21 16:53:36,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1135 transitions. [2022-11-21 16:53:36,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:36,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1135 transitions. [2022-11-21 16:53:36,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.3333333333333) internal successors, (1135), 3 states have internal predecessors, (1135), 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) [2022-11-21 16:53:36,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:36,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:36,528 INFO L175 Difference]: Start difference. First operand has 361 places, 364 transitions, 734 flow. Second operand 3 states and 1135 transitions. [2022-11-21 16:53:36,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 363 transitions, 780 flow [2022-11-21 16:53:36,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 363 transitions, 779 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:53:36,537 INFO L231 Difference]: Finished difference. Result has 361 places, 363 transitions, 735 flow [2022-11-21 16:53:36,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=735, PETRI_PLACES=361, PETRI_TRANSITIONS=363} [2022-11-21 16:53:36,540 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -15 predicate places. [2022-11-21 16:53:36,545 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 363 transitions, 735 flow [2022-11-21 16:53:36,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 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) [2022-11-21 16:53:36,547 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:36,548 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] [2022-11-21 16:53:36,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:53:36,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:36,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1995673666, now seen corresponding path program 1 times [2022-11-21 16:53:36,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:36,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928150120] [2022-11-21 16:53:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:37,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:37,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928150120] [2022-11-21 16:53:37,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928150120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:37,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:37,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:53:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001592922] [2022-11-21 16:53:37,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:37,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:37,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:37,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:37,432 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 409 [2022-11-21 16:53:37,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 363 transitions, 735 flow. Second operand has 6 states, 6 states have (on average 333.8333333333333) internal successors, (2003), 6 states have internal predecessors, (2003), 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) [2022-11-21 16:53:37,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:37,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 409 [2022-11-21 16:53:37,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:41,130 INFO L130 PetriNetUnfolder]: 2724/13352 cut-off events. [2022-11-21 16:53:41,131 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-21 16:53:41,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17271 conditions, 13352 events. 2724/13352 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 133759 event pairs, 2226 based on Foata normal form. 0/10833 useless extension candidates. Maximal degree in co-relation 17234. Up to 3901 conditions per place. [2022-11-21 16:53:41,276 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 57 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2022-11-21 16:53:41,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 362 transitions, 857 flow [2022-11-21 16:53:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:53:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:53:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2055 transitions. [2022-11-21 16:53:41,282 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8374083129584352 [2022-11-21 16:53:41,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2055 transitions. [2022-11-21 16:53:41,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2055 transitions. [2022-11-21 16:53:41,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:41,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2055 transitions. [2022-11-21 16:53:41,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 342.5) internal successors, (2055), 6 states have internal predecessors, (2055), 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) [2022-11-21 16:53:41,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:41,298 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:41,298 INFO L175 Difference]: Start difference. First operand has 361 places, 363 transitions, 735 flow. Second operand 6 states and 2055 transitions. [2022-11-21 16:53:41,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 362 transitions, 857 flow [2022-11-21 16:53:41,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 362 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:53:41,306 INFO L231 Difference]: Finished difference. Result has 363 places, 362 transitions, 739 flow [2022-11-21 16:53:41,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=739, PETRI_PLACES=363, PETRI_TRANSITIONS=362} [2022-11-21 16:53:41,308 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -13 predicate places. [2022-11-21 16:53:41,308 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 362 transitions, 739 flow [2022-11-21 16:53:41,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.8333333333333) internal successors, (2003), 6 states have internal predecessors, (2003), 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) [2022-11-21 16:53:41,310 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:41,311 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] [2022-11-21 16:53:41,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:53:41,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:41,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1394149354, now seen corresponding path program 1 times [2022-11-21 16:53:41,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:41,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560799698] [2022-11-21 16:53:41,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:41,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:41,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560799698] [2022-11-21 16:53:41,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560799698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:41,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:41,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:41,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183918489] [2022-11-21 16:53:41,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:41,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:41,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:41,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:41,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:41,364 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 409 [2022-11-21 16:53:41,366 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 362 transitions, 739 flow. Second operand has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 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) [2022-11-21 16:53:41,366 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:41,367 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 409 [2022-11-21 16:53:41,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:41,623 INFO L130 PetriNetUnfolder]: 36/1011 cut-off events. [2022-11-21 16:53:41,624 INFO L131 PetriNetUnfolder]: For 4/20 co-relation queries the response was YES. [2022-11-21 16:53:41,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 1011 events. 36/1011 cut-off events. For 4/20 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4199 event pairs, 8 based on Foata normal form. 0/842 useless extension candidates. Maximal degree in co-relation 1040. Up to 32 conditions per place. [2022-11-21 16:53:41,636 INFO L137 encePairwiseOnDemand]: 405/409 looper letters, 11 selfloop transitions, 1 changer transitions 0/359 dead transitions. [2022-11-21 16:53:41,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 359 transitions, 757 flow [2022-11-21 16:53:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1152 transitions. [2022-11-21 16:53:41,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9388753056234719 [2022-11-21 16:53:41,640 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1152 transitions. [2022-11-21 16:53:41,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1152 transitions. [2022-11-21 16:53:41,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:41,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1152 transitions. [2022-11-21 16:53:41,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.0) internal successors, (1152), 3 states have internal predecessors, (1152), 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) [2022-11-21 16:53:41,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:41,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:41,650 INFO L175 Difference]: Start difference. First operand has 363 places, 362 transitions, 739 flow. Second operand 3 states and 1152 transitions. [2022-11-21 16:53:41,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 359 transitions, 757 flow [2022-11-21 16:53:41,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 359 transitions, 747 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:53:41,658 INFO L231 Difference]: Finished difference. Result has 357 places, 359 transitions, 725 flow [2022-11-21 16:53:41,659 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=725, PETRI_PLACES=357, PETRI_TRANSITIONS=359} [2022-11-21 16:53:41,660 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -19 predicate places. [2022-11-21 16:53:41,660 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 359 transitions, 725 flow [2022-11-21 16:53:41,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 380.3333333333333) internal successors, (1141), 3 states have internal predecessors, (1141), 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) [2022-11-21 16:53:41,661 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:41,662 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] [2022-11-21 16:53:41,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:53:41,662 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:41,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash -562933195, now seen corresponding path program 1 times [2022-11-21 16:53:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:41,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139083611] [2022-11-21 16:53:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:41,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:41,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139083611] [2022-11-21 16:53:41,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139083611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:41,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:41,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:41,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236303092] [2022-11-21 16:53:41,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:41,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:41,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:41,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:41,724 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 409 [2022-11-21 16:53:41,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 359 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2022-11-21 16:53:41,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:41,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 409 [2022-11-21 16:53:41,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:41,960 INFO L130 PetriNetUnfolder]: 40/1162 cut-off events. [2022-11-21 16:53:41,960 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:53:41,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 1162 events. 40/1162 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 5271 event pairs, 5 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 1177. Up to 22 conditions per place. [2022-11-21 16:53:41,974 INFO L137 encePairwiseOnDemand]: 402/409 looper letters, 13 selfloop transitions, 3 changer transitions 0/356 dead transitions. [2022-11-21 16:53:41,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 356 transitions, 752 flow [2022-11-21 16:53:41,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-21 16:53:41,978 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9356153219233904 [2022-11-21 16:53:41,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-21 16:53:41,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-21 16:53:41,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:41,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-21 16:53:41,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 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) [2022-11-21 16:53:41,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:41,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:41,986 INFO L175 Difference]: Start difference. First operand has 357 places, 359 transitions, 725 flow. Second operand 3 states and 1148 transitions. [2022-11-21 16:53:41,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 356 transitions, 752 flow [2022-11-21 16:53:41,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 356 transitions, 751 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:53:41,995 INFO L231 Difference]: Finished difference. Result has 354 places, 355 transitions, 722 flow [2022-11-21 16:53:41,996 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=354, PETRI_TRANSITIONS=355} [2022-11-21 16:53:41,997 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -22 predicate places. [2022-11-21 16:53:41,997 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 355 transitions, 722 flow [2022-11-21 16:53:41,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 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) [2022-11-21 16:53:41,998 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:41,998 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] [2022-11-21 16:53:41,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:53:41,999 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:41,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:42,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1082579597, now seen corresponding path program 1 times [2022-11-21 16:53:42,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:42,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474261539] [2022-11-21 16:53:42,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:42,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:42,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474261539] [2022-11-21 16:53:42,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474261539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:42,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:42,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:42,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133024641] [2022-11-21 16:53:42,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:42,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:42,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:42,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:42,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:42,058 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 409 [2022-11-21 16:53:42,059 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 355 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2022-11-21 16:53:42,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:42,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 409 [2022-11-21 16:53:42,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:42,286 INFO L130 PetriNetUnfolder]: 50/554 cut-off events. [2022-11-21 16:53:42,287 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-11-21 16:53:42,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 554 events. 50/554 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2031 event pairs, 23 based on Foata normal form. 1/502 useless extension candidates. Maximal degree in co-relation 642. Up to 74 conditions per place. [2022-11-21 16:53:42,293 INFO L137 encePairwiseOnDemand]: 387/409 looper letters, 32 selfloop transitions, 8 changer transitions 5/343 dead transitions. [2022-11-21 16:53:42,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 343 transitions, 783 flow [2022-11-21 16:53:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2022-11-21 16:53:42,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.876120619396903 [2022-11-21 16:53:42,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1075 transitions. [2022-11-21 16:53:42,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1075 transitions. [2022-11-21 16:53:42,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:42,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1075 transitions. [2022-11-21 16:53:42,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 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) [2022-11-21 16:53:42,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:42,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:42,305 INFO L175 Difference]: Start difference. First operand has 354 places, 355 transitions, 722 flow. Second operand 3 states and 1075 transitions. [2022-11-21 16:53:42,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 343 transitions, 783 flow [2022-11-21 16:53:42,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 343 transitions, 777 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:53:42,314 INFO L231 Difference]: Finished difference. Result has 341 places, 337 transitions, 695 flow [2022-11-21 16:53:42,315 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=695, PETRI_PLACES=341, PETRI_TRANSITIONS=337} [2022-11-21 16:53:42,318 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -35 predicate places. [2022-11-21 16:53:42,319 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 337 transitions, 695 flow [2022-11-21 16:53:42,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 341.3333333333333) internal successors, (1024), 3 states have internal predecessors, (1024), 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) [2022-11-21 16:53:42,320 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:42,320 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] [2022-11-21 16:53:42,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:53:42,320 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:42,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:42,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1040817545, now seen corresponding path program 1 times [2022-11-21 16:53:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:42,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342602479] [2022-11-21 16:53:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:42,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:42,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342602479] [2022-11-21 16:53:42,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342602479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:42,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:42,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:53:42,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638694840] [2022-11-21 16:53:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:42,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:42,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:42,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:42,753 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 409 [2022-11-21 16:53:42,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 337 transitions, 695 flow. Second operand has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2022-11-21 16:53:42,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:42,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 409 [2022-11-21 16:53:42,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:45,287 INFO L130 PetriNetUnfolder]: 2603/8429 cut-off events. [2022-11-21 16:53:45,287 INFO L131 PetriNetUnfolder]: For 25/75 co-relation queries the response was YES. [2022-11-21 16:53:45,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12505 conditions, 8429 events. 2603/8429 cut-off events. For 25/75 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 70379 event pairs, 612 based on Foata normal form. 25/7369 useless extension candidates. Maximal degree in co-relation 12466. Up to 1425 conditions per place. [2022-11-21 16:53:45,361 INFO L137 encePairwiseOnDemand]: 404/409 looper letters, 169 selfloop transitions, 4 changer transitions 0/456 dead transitions. [2022-11-21 16:53:45,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 456 transitions, 1279 flow [2022-11-21 16:53:45,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:53:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:53:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2196 transitions. [2022-11-21 16:53:45,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8948655256723717 [2022-11-21 16:53:45,367 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2196 transitions. [2022-11-21 16:53:45,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2196 transitions. [2022-11-21 16:53:45,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:45,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2196 transitions. [2022-11-21 16:53:45,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 366.0) internal successors, (2196), 6 states have internal predecessors, (2196), 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) [2022-11-21 16:53:45,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:45,381 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:45,381 INFO L175 Difference]: Start difference. First operand has 341 places, 337 transitions, 695 flow. Second operand 6 states and 2196 transitions. [2022-11-21 16:53:45,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 456 transitions, 1279 flow [2022-11-21 16:53:45,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 456 transitions, 1263 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:53:45,391 INFO L231 Difference]: Finished difference. Result has 338 places, 336 transitions, 685 flow [2022-11-21 16:53:45,392 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=685, PETRI_PLACES=338, PETRI_TRANSITIONS=336} [2022-11-21 16:53:45,393 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -38 predicate places. [2022-11-21 16:53:45,393 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 336 transitions, 685 flow [2022-11-21 16:53:45,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 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) [2022-11-21 16:53:45,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:45,395 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] [2022-11-21 16:53:45,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:53:45,396 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash 899767559, now seen corresponding path program 1 times [2022-11-21 16:53:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035259008] [2022-11-21 16:53:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:45,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:45,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:45,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035259008] [2022-11-21 16:53:45,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035259008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:45,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:45,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:45,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501959006] [2022-11-21 16:53:45,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:45,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:45,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:45,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:45,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 409 [2022-11-21 16:53:45,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 336 transitions, 685 flow. Second operand has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 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) [2022-11-21 16:53:45,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:45,450 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 409 [2022-11-21 16:53:45,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:45,667 INFO L130 PetriNetUnfolder]: 71/1011 cut-off events. [2022-11-21 16:53:45,668 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-11-21 16:53:45,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 1011 events. 71/1011 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4153 event pairs, 8 based on Foata normal form. 0/914 useless extension candidates. Maximal degree in co-relation 1078. Up to 86 conditions per place. [2022-11-21 16:53:45,679 INFO L137 encePairwiseOnDemand]: 402/409 looper letters, 17 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-21 16:53:45,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 723 flow [2022-11-21 16:53:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2022-11-21 16:53:45,684 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9315403422982885 [2022-11-21 16:53:45,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2022-11-21 16:53:45,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2022-11-21 16:53:45,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:45,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2022-11-21 16:53:45,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 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) [2022-11-21 16:53:45,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:45,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:45,694 INFO L175 Difference]: Start difference. First operand has 338 places, 336 transitions, 685 flow. Second operand 3 states and 1143 transitions. [2022-11-21 16:53:45,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 723 flow [2022-11-21 16:53:45,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 335 transitions, 716 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:53:45,704 INFO L231 Difference]: Finished difference. Result has 332 places, 333 transitions, 682 flow [2022-11-21 16:53:45,704 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=332, PETRI_TRANSITIONS=333} [2022-11-21 16:53:45,705 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -44 predicate places. [2022-11-21 16:53:45,706 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 333 transitions, 682 flow [2022-11-21 16:53:45,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 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) [2022-11-21 16:53:45,707 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:45,707 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] [2022-11-21 16:53:45,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:53:45,708 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:45,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:45,708 INFO L85 PathProgramCache]: Analyzing trace with hash -623016531, now seen corresponding path program 1 times [2022-11-21 16:53:45,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:45,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126627212] [2022-11-21 16:53:45,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:45,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:45,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:45,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126627212] [2022-11-21 16:53:45,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126627212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:45,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:45,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:53:45,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505766716] [2022-11-21 16:53:45,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:45,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:53:45,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:45,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:53:45,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:53:45,868 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 409 [2022-11-21 16:53:45,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 333 transitions, 682 flow. Second operand has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 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) [2022-11-21 16:53:45,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:45,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 409 [2022-11-21 16:53:45,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:46,270 INFO L130 PetriNetUnfolder]: 71/1574 cut-off events. [2022-11-21 16:53:46,270 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-11-21 16:53:46,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1718 conditions, 1574 events. 71/1574 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7707 event pairs, 11 based on Foata normal form. 1/1426 useless extension candidates. Maximal degree in co-relation 1680. Up to 42 conditions per place. [2022-11-21 16:53:46,281 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 29 selfloop transitions, 6 changer transitions 0/350 dead transitions. [2022-11-21 16:53:46,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 350 transitions, 790 flow [2022-11-21 16:53:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:53:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:53:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1911 transitions. [2022-11-21 16:53:46,287 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9344743276283619 [2022-11-21 16:53:46,287 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1911 transitions. [2022-11-21 16:53:46,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1911 transitions. [2022-11-21 16:53:46,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:46,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1911 transitions. [2022-11-21 16:53:46,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 382.2) internal successors, (1911), 5 states have internal predecessors, (1911), 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) [2022-11-21 16:53:46,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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) [2022-11-21 16:53:46,298 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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) [2022-11-21 16:53:46,299 INFO L175 Difference]: Start difference. First operand has 332 places, 333 transitions, 682 flow. Second operand 5 states and 1911 transitions. [2022-11-21 16:53:46,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 350 transitions, 790 flow [2022-11-21 16:53:46,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 350 transitions, 790 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:53:46,306 INFO L231 Difference]: Finished difference. Result has 339 places, 337 transitions, 720 flow [2022-11-21 16:53:46,307 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=720, PETRI_PLACES=339, PETRI_TRANSITIONS=337} [2022-11-21 16:53:46,308 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -37 predicate places. [2022-11-21 16:53:46,308 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 337 transitions, 720 flow [2022-11-21 16:53:46,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 378.0) internal successors, (1512), 4 states have internal predecessors, (1512), 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) [2022-11-21 16:53:46,309 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:46,309 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] [2022-11-21 16:53:46,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:53:46,309 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:46,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:46,310 INFO L85 PathProgramCache]: Analyzing trace with hash 396882759, now seen corresponding path program 1 times [2022-11-21 16:53:46,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:46,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571542301] [2022-11-21 16:53:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:46,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:46,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571542301] [2022-11-21 16:53:46,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571542301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:46,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:46,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:53:46,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543626197] [2022-11-21 16:53:46,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:46,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:46,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:46,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:46,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:46,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 409 [2022-11-21 16:53:46,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 337 transitions, 720 flow. Second operand has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 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) [2022-11-21 16:53:46,791 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:46,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 409 [2022-11-21 16:53:46,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:51,088 INFO L130 PetriNetUnfolder]: 4362/19808 cut-off events. [2022-11-21 16:53:51,089 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-11-21 16:53:51,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26949 conditions, 19808 events. 4362/19808 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 207504 event pairs, 3600 based on Foata normal form. 0/17751 useless extension candidates. Maximal degree in co-relation 26905. Up to 5907 conditions per place. [2022-11-21 16:53:51,220 INFO L137 encePairwiseOnDemand]: 404/409 looper letters, 144 selfloop transitions, 4 changer transitions 0/432 dead transitions. [2022-11-21 16:53:51,221 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 432 transitions, 1206 flow [2022-11-21 16:53:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:53:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:53:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2171 transitions. [2022-11-21 16:53:51,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.884678076609617 [2022-11-21 16:53:51,227 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2171 transitions. [2022-11-21 16:53:51,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2171 transitions. [2022-11-21 16:53:51,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:51,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2171 transitions. [2022-11-21 16:53:51,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 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) [2022-11-21 16:53:51,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:51,240 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:51,240 INFO L175 Difference]: Start difference. First operand has 339 places, 337 transitions, 720 flow. Second operand 6 states and 2171 transitions. [2022-11-21 16:53:51,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 432 transitions, 1206 flow [2022-11-21 16:53:51,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 432 transitions, 1206 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:53:51,249 INFO L231 Difference]: Finished difference. Result has 343 places, 336 transitions, 726 flow [2022-11-21 16:53:51,250 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=726, PETRI_PLACES=343, PETRI_TRANSITIONS=336} [2022-11-21 16:53:51,250 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -33 predicate places. [2022-11-21 16:53:51,251 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 336 transitions, 726 flow [2022-11-21 16:53:51,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 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) [2022-11-21 16:53:51,252 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:51,252 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] [2022-11-21 16:53:51,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:53:51,253 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:51,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:51,254 INFO L85 PathProgramCache]: Analyzing trace with hash -369530751, now seen corresponding path program 1 times [2022-11-21 16:53:51,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:51,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480154305] [2022-11-21 16:53:51,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:51,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:51,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:51,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480154305] [2022-11-21 16:53:51,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480154305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:51,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:51,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:53:51,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435581942] [2022-11-21 16:53:51,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:51,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:51,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:51,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:51,675 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 409 [2022-11-21 16:53:51,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 336 transitions, 726 flow. Second operand has 6 states, 6 states have (on average 333.0) internal successors, (1998), 6 states have internal predecessors, (1998), 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) [2022-11-21 16:53:51,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:51,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 409 [2022-11-21 16:53:51,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:56,251 INFO L130 PetriNetUnfolder]: 6712/19716 cut-off events. [2022-11-21 16:53:56,252 INFO L131 PetriNetUnfolder]: For 2202/2202 co-relation queries the response was YES. [2022-11-21 16:53:56,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32340 conditions, 19716 events. 6712/19716 cut-off events. For 2202/2202 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 185086 event pairs, 2803 based on Foata normal form. 0/18023 useless extension candidates. Maximal degree in co-relation 32295. Up to 5120 conditions per place. [2022-11-21 16:53:56,407 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 191 selfloop transitions, 6 changer transitions 0/471 dead transitions. [2022-11-21 16:53:56,407 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 471 transitions, 1398 flow [2022-11-21 16:53:56,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:53:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:53:56,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2181 transitions. [2022-11-21 16:53:56,415 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8887530562347188 [2022-11-21 16:53:56,415 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2181 transitions. [2022-11-21 16:53:56,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2181 transitions. [2022-11-21 16:53:56,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:56,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2181 transitions. [2022-11-21 16:53:56,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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) [2022-11-21 16:53:56,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:56,545 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:53:56,545 INFO L175 Difference]: Start difference. First operand has 343 places, 336 transitions, 726 flow. Second operand 6 states and 2181 transitions. [2022-11-21 16:53:56,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 471 transitions, 1398 flow [2022-11-21 16:53:56,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 471 transitions, 1391 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:53:56,569 INFO L231 Difference]: Finished difference. Result has 343 places, 335 transitions, 729 flow [2022-11-21 16:53:56,570 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=729, PETRI_PLACES=343, PETRI_TRANSITIONS=335} [2022-11-21 16:53:56,572 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -33 predicate places. [2022-11-21 16:53:56,572 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 335 transitions, 729 flow [2022-11-21 16:53:56,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 333.0) internal successors, (1998), 6 states have internal predecessors, (1998), 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) [2022-11-21 16:53:56,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:56,574 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] [2022-11-21 16:53:56,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:53:56,574 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:56,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:56,576 INFO L85 PathProgramCache]: Analyzing trace with hash 851298763, now seen corresponding path program 1 times [2022-11-21 16:53:56,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:56,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595134289] [2022-11-21 16:53:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:56,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:56,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:56,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595134289] [2022-11-21 16:53:56,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595134289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:56,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:56,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:53:56,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618475212] [2022-11-21 16:53:56,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:56,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:53:56,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:56,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:53:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:53:56,700 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 409 [2022-11-21 16:53:56,701 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 335 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 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) [2022-11-21 16:53:56,702 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:56,702 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 409 [2022-11-21 16:53:56,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:57,087 INFO L130 PetriNetUnfolder]: 136/1254 cut-off events. [2022-11-21 16:53:57,087 INFO L131 PetriNetUnfolder]: For 114/115 co-relation queries the response was YES. [2022-11-21 16:53:57,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1698 conditions, 1254 events. 136/1254 cut-off events. For 114/115 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7947 event pairs, 4 based on Foata normal form. 0/1148 useless extension candidates. Maximal degree in co-relation 1654. Up to 299 conditions per place. [2022-11-21 16:53:57,100 INFO L137 encePairwiseOnDemand]: 403/409 looper letters, 58 selfloop transitions, 6 changer transitions 0/351 dead transitions. [2022-11-21 16:53:57,101 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 351 transitions, 892 flow [2022-11-21 16:53:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:53:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:53:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1790 transitions. [2022-11-21 16:53:57,106 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8753056234718827 [2022-11-21 16:53:57,106 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1790 transitions. [2022-11-21 16:53:57,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1790 transitions. [2022-11-21 16:53:57,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:57,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1790 transitions. [2022-11-21 16:53:57,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 358.0) internal successors, (1790), 5 states have internal predecessors, (1790), 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) [2022-11-21 16:53:57,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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) [2022-11-21 16:53:57,118 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 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) [2022-11-21 16:53:57,118 INFO L175 Difference]: Start difference. First operand has 343 places, 335 transitions, 729 flow. Second operand 5 states and 1790 transitions. [2022-11-21 16:53:57,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 351 transitions, 892 flow [2022-11-21 16:53:57,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 351 transitions, 880 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:53:57,126 INFO L231 Difference]: Finished difference. Result has 345 places, 339 transitions, 755 flow [2022-11-21 16:53:57,127 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=755, PETRI_PLACES=345, PETRI_TRANSITIONS=339} [2022-11-21 16:53:57,128 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -31 predicate places. [2022-11-21 16:53:57,128 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 339 transitions, 755 flow [2022-11-21 16:53:57,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 348.25) internal successors, (1393), 4 states have internal predecessors, (1393), 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) [2022-11-21 16:53:57,129 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:57,130 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] [2022-11-21 16:53:57,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:53:57,130 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash 132819076, now seen corresponding path program 1 times [2022-11-21 16:53:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:57,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832105812] [2022-11-21 16:53:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:57,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:57,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832105812] [2022-11-21 16:53:57,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832105812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:57,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:57,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:53:57,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383014479] [2022-11-21 16:53:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:57,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:53:57,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:53:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:53:57,188 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 409 [2022-11-21 16:53:57,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 339 transitions, 755 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2022-11-21 16:53:57,189 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:57,189 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 409 [2022-11-21 16:53:57,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:53:57,385 INFO L130 PetriNetUnfolder]: 40/844 cut-off events. [2022-11-21 16:53:57,385 INFO L131 PetriNetUnfolder]: For 20/22 co-relation queries the response was YES. [2022-11-21 16:53:57,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 844 events. 40/844 cut-off events. For 20/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2423 event pairs, 16 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 957. Up to 47 conditions per place. [2022-11-21 16:53:57,401 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 12 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-21 16:53:57,401 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 339 transitions, 784 flow [2022-11-21 16:53:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:53:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:53:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1137 transitions. [2022-11-21 16:53:57,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9266503667481663 [2022-11-21 16:53:57,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1137 transitions. [2022-11-21 16:53:57,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1137 transitions. [2022-11-21 16:53:57,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:53:57,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1137 transitions. [2022-11-21 16:53:57,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 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) [2022-11-21 16:53:57,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:57,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:53:57,413 INFO L175 Difference]: Start difference. First operand has 345 places, 339 transitions, 755 flow. Second operand 3 states and 1137 transitions. [2022-11-21 16:53:57,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 339 transitions, 784 flow [2022-11-21 16:53:57,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 339 transitions, 784 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:53:57,422 INFO L231 Difference]: Finished difference. Result has 346 places, 338 transitions, 757 flow [2022-11-21 16:53:57,423 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=757, PETRI_PLACES=346, PETRI_TRANSITIONS=338} [2022-11-21 16:53:57,425 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -30 predicate places. [2022-11-21 16:53:57,425 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 338 transitions, 757 flow [2022-11-21 16:53:57,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2022-11-21 16:53:57,426 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:53:57,426 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] [2022-11-21 16:53:57,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:53:57,427 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:53:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:53:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1108911655, now seen corresponding path program 1 times [2022-11-21 16:53:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:53:57,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788653093] [2022-11-21 16:53:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:53:57,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:53:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:53:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:53:57,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:53:57,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788653093] [2022-11-21 16:53:57,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788653093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:53:57,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:53:57,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:53:57,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116940640] [2022-11-21 16:53:57,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:53:57,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:53:57,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:53:57,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:53:57,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:53:57,940 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 409 [2022-11-21 16:53:57,943 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 338 transitions, 757 flow. Second operand has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 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) [2022-11-21 16:53:57,943 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:53:57,943 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 409 [2022-11-21 16:53:57,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:54:02,917 INFO L130 PetriNetUnfolder]: 6784/23583 cut-off events. [2022-11-21 16:54:02,917 INFO L131 PetriNetUnfolder]: For 1154/1154 co-relation queries the response was YES. [2022-11-21 16:54:02,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36462 conditions, 23583 events. 6784/23583 cut-off events. For 1154/1154 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 235489 event pairs, 2396 based on Foata normal form. 0/22217 useless extension candidates. Maximal degree in co-relation 36412. Up to 4404 conditions per place. [2022-11-21 16:54:03,061 INFO L137 encePairwiseOnDemand]: 385/409 looper letters, 113 selfloop transitions, 21 changer transitions 0/402 dead transitions. [2022-11-21 16:54:03,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 402 transitions, 1165 flow [2022-11-21 16:54:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:54:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:54:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2067 transitions. [2022-11-21 16:54:03,068 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8422982885085575 [2022-11-21 16:54:03,068 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2067 transitions. [2022-11-21 16:54:03,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2067 transitions. [2022-11-21 16:54:03,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:03,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2067 transitions. [2022-11-21 16:54:03,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 344.5) internal successors, (2067), 6 states have internal predecessors, (2067), 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) [2022-11-21 16:54:03,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:54:03,081 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 409.0) internal successors, (2863), 7 states have internal predecessors, (2863), 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) [2022-11-21 16:54:03,081 INFO L175 Difference]: Start difference. First operand has 346 places, 338 transitions, 757 flow. Second operand 6 states and 2067 transitions. [2022-11-21 16:54:03,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 402 transitions, 1165 flow [2022-11-21 16:54:03,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 402 transitions, 1161 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:54:03,093 INFO L231 Difference]: Finished difference. Result has 345 places, 334 transitions, 787 flow [2022-11-21 16:54:03,094 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=787, PETRI_PLACES=345, PETRI_TRANSITIONS=334} [2022-11-21 16:54:03,094 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -31 predicate places. [2022-11-21 16:54:03,095 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 334 transitions, 787 flow [2022-11-21 16:54:03,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 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) [2022-11-21 16:54:03,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:54:03,096 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] [2022-11-21 16:54:03,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:54:03,096 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:54:03,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:03,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1718192988, now seen corresponding path program 1 times [2022-11-21 16:54:03,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:03,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590075188] [2022-11-21 16:54:03,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:03,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:03,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590075188] [2022-11-21 16:54:03,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590075188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:03,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:03,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:54:03,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244048313] [2022-11-21 16:54:03,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:03,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:03,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:03,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:03,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:03,156 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-21 16:54:03,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 334 transitions, 787 flow. Second operand has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 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) [2022-11-21 16:54:03,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:54:03,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-21 16:54:03,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:54:03,486 INFO L130 PetriNetUnfolder]: 118/1195 cut-off events. [2022-11-21 16:54:03,486 INFO L131 PetriNetUnfolder]: For 125/126 co-relation queries the response was YES. [2022-11-21 16:54:03,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 1195 events. 118/1195 cut-off events. For 125/126 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7310 event pairs, 84 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1677. Up to 284 conditions per place. [2022-11-21 16:54:03,499 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 39 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-21 16:54:03,500 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 334 transitions, 870 flow [2022-11-21 16:54:03,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:54:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1056 transitions. [2022-11-21 16:54:03,503 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8606356968215159 [2022-11-21 16:54:03,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1056 transitions. [2022-11-21 16:54:03,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1056 transitions. [2022-11-21 16:54:03,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:03,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1056 transitions. [2022-11-21 16:54:03,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 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) [2022-11-21 16:54:03,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:03,511 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:03,511 INFO L175 Difference]: Start difference. First operand has 345 places, 334 transitions, 787 flow. Second operand 3 states and 1056 transitions. [2022-11-21 16:54:03,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 334 transitions, 870 flow [2022-11-21 16:54:03,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 334 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:54:03,521 INFO L231 Difference]: Finished difference. Result has 341 places, 333 transitions, 747 flow [2022-11-21 16:54:03,521 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=747, PETRI_PLACES=341, PETRI_TRANSITIONS=333} [2022-11-21 16:54:03,522 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -35 predicate places. [2022-11-21 16:54:03,522 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 333 transitions, 747 flow [2022-11-21 16:54:03,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 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) [2022-11-21 16:54:03,523 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:54:03,524 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:54:03,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:54:03,524 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:54:03,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:03,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1437238925, now seen corresponding path program 1 times [2022-11-21 16:54:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:03,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811914577] [2022-11-21 16:54:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:03,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:03,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:03,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811914577] [2022-11-21 16:54:03,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811914577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:03,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:03,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:54:03,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814795556] [2022-11-21 16:54:03,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:03,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:03,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:03,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:03,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-21 16:54:03,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 333 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 343.6666666666667) internal successors, (1031), 3 states have internal predecessors, (1031), 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) [2022-11-21 16:54:03,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:54:03,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-21 16:54:03,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:54:04,045 INFO L130 PetriNetUnfolder]: 116/1188 cut-off events. [2022-11-21 16:54:04,046 INFO L131 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2022-11-21 16:54:04,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1596 conditions, 1188 events. 116/1188 cut-off events. For 113/114 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7110 event pairs, 82 based on Foata normal form. 0/1122 useless extension candidates. Maximal degree in co-relation 1548. Up to 277 conditions per place. [2022-11-21 16:54:04,057 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 38 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-21 16:54:04,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 333 transitions, 828 flow [2022-11-21 16:54:04,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:54:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1055 transitions. [2022-11-21 16:54:04,061 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8598207008964955 [2022-11-21 16:54:04,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1055 transitions. [2022-11-21 16:54:04,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1055 transitions. [2022-11-21 16:54:04,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:04,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1055 transitions. [2022-11-21 16:54:04,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.6666666666667) internal successors, (1055), 3 states have internal predecessors, (1055), 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) [2022-11-21 16:54:04,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:04,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:04,071 INFO L175 Difference]: Start difference. First operand has 341 places, 333 transitions, 747 flow. Second operand 3 states and 1055 transitions. [2022-11-21 16:54:04,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 333 transitions, 828 flow [2022-11-21 16:54:04,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 333 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:54:04,080 INFO L231 Difference]: Finished difference. Result has 340 places, 332 transitions, 745 flow [2022-11-21 16:54:04,080 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=340, PETRI_TRANSITIONS=332} [2022-11-21 16:54:04,081 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -36 predicate places. [2022-11-21 16:54:04,082 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 332 transitions, 745 flow [2022-11-21 16:54:04,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.6666666666667) internal successors, (1031), 3 states have internal predecessors, (1031), 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) [2022-11-21 16:54:04,082 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:54:04,083 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] [2022-11-21 16:54:04,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:54:04,083 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:54:04,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:04,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1802768810, now seen corresponding path program 1 times [2022-11-21 16:54:04,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:04,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890111808] [2022-11-21 16:54:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:04,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:04,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:04,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890111808] [2022-11-21 16:54:04,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890111808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:04,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:04,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:54:04,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161857012] [2022-11-21 16:54:04,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:04,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:04,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:04,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:04,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:04,183 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-21 16:54:04,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 332 transitions, 745 flow. Second operand has 3 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 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) [2022-11-21 16:54:04,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:54:04,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-21 16:54:04,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:54:04,576 INFO L130 PetriNetUnfolder]: 114/1181 cut-off events. [2022-11-21 16:54:04,576 INFO L131 PetriNetUnfolder]: For 111/112 co-relation queries the response was YES. [2022-11-21 16:54:04,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1582 conditions, 1181 events. 114/1181 cut-off events. For 111/112 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7017 event pairs, 80 based on Foata normal form. 0/1120 useless extension candidates. Maximal degree in co-relation 1534. Up to 270 conditions per place. [2022-11-21 16:54:04,587 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 37 selfloop transitions, 2 changer transitions 0/332 dead transitions. [2022-11-21 16:54:04,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 332 transitions, 824 flow [2022-11-21 16:54:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:54:04,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1054 transitions. [2022-11-21 16:54:04,592 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8590057049714751 [2022-11-21 16:54:04,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1054 transitions. [2022-11-21 16:54:04,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1054 transitions. [2022-11-21 16:54:04,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:04,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1054 transitions. [2022-11-21 16:54:04,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.3333333333333) internal successors, (1054), 3 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:54:04,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:04,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:04,602 INFO L175 Difference]: Start difference. First operand has 340 places, 332 transitions, 745 flow. Second operand 3 states and 1054 transitions. [2022-11-21 16:54:04,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 332 transitions, 824 flow [2022-11-21 16:54:04,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 332 transitions, 820 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:54:04,612 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 743 flow [2022-11-21 16:54:04,613 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=743, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2022-11-21 16:54:04,614 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -37 predicate places. [2022-11-21 16:54:04,614 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 743 flow [2022-11-21 16:54:04,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 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) [2022-11-21 16:54:04,615 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:54:04,615 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, 1] [2022-11-21 16:54:04,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:54:04,616 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-21 16:54:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:54:04,617 INFO L85 PathProgramCache]: Analyzing trace with hash 945347585, now seen corresponding path program 1 times [2022-11-21 16:54:04,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:54:04,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293723353] [2022-11-21 16:54:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:54:04,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:54:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:54:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:54:04,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:54:04,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293723353] [2022-11-21 16:54:04,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293723353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:54:04,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:54:04,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:54:04,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308837107] [2022-11-21 16:54:04,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:54:04,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:54:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:54:04,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:54:04,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:54:04,733 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 409 [2022-11-21 16:54:04,735 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 743 flow. Second operand has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 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) [2022-11-21 16:54:04,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:54:04,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 409 [2022-11-21 16:54:04,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:54:05,130 INFO L130 PetriNetUnfolder]: 112/1174 cut-off events. [2022-11-21 16:54:05,131 INFO L131 PetriNetUnfolder]: For 109/110 co-relation queries the response was YES. [2022-11-21 16:54:05,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 1174 events. 112/1174 cut-off events. For 109/110 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7003 event pairs, 78 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 1520. Up to 263 conditions per place. [2022-11-21 16:54:05,141 INFO L137 encePairwiseOnDemand]: 406/409 looper letters, 0 selfloop transitions, 0 changer transitions 331/331 dead transitions. [2022-11-21 16:54:05,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 331 transitions, 820 flow [2022-11-21 16:54:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:54:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:54:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1053 transitions. [2022-11-21 16:54:05,146 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8581907090464548 [2022-11-21 16:54:05,146 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1053 transitions. [2022-11-21 16:54:05,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1053 transitions. [2022-11-21 16:54:05,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:54:05,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1053 transitions. [2022-11-21 16:54:05,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 351.0) internal successors, (1053), 3 states have internal predecessors, (1053), 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) [2022-11-21 16:54:05,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:05,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 409.0) internal successors, (1636), 4 states have internal predecessors, (1636), 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) [2022-11-21 16:54:05,155 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 743 flow. Second operand 3 states and 1053 transitions. [2022-11-21 16:54:05,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 331 transitions, 820 flow [2022-11-21 16:54:05,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 331 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:54:05,162 INFO L231 Difference]: Finished difference. Result has 338 places, 0 transitions, 0 flow [2022-11-21 16:54:05,162 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=338, PETRI_TRANSITIONS=0} [2022-11-21 16:54:05,163 INFO L288 CegarLoopForPetriNet]: 376 programPoint places, -38 predicate places. [2022-11-21 16:54:05,163 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 0 transitions, 0 flow [2022-11-21 16:54:05,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 347.6666666666667) internal successors, (1043), 3 states have internal predecessors, (1043), 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) [2022-11-21 16:54:05,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2022-11-21 16:54:05,169 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2022-11-21 16:54:05,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2022-11-21 16:54:05,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2022-11-21 16:54:05,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2022-11-21 16:54:05,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2022-11-21 16:54:05,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2022-11-21 16:54:05,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2022-11-21 16:54:05,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2022-11-21 16:54:05,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2022-11-21 16:54:05,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2022-11-21 16:54:05,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2022-11-21 16:54:05,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2022-11-21 16:54:05,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2022-11-21 16:54:05,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2022-11-21 16:54:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2022-11-21 16:54:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2022-11-21 16:54:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2022-11-21 16:54:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2022-11-21 16:54:05,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2022-11-21 16:54:05,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2022-11-21 16:54:05,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2022-11-21 16:54:05,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2022-11-21 16:54:05,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2022-11-21 16:54:05,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2022-11-21 16:54:05,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2022-11-21 16:54:05,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2022-11-21 16:54:05,178 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2022-11-21 16:54:05,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2022-11-21 16:54:05,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2022-11-21 16:54:05,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2022-11-21 16:54:05,179 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2022-11-21 16:54:05,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2022-11-21 16:54:05,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2022-11-21 16:54:05,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2022-11-21 16:54:05,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2022-11-21 16:54:05,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2022-11-21 16:54:05,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2022-11-21 16:54:05,181 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2022-11-21 16:54:05,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2022-11-21 16:54:05,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2022-11-21 16:54:05,182 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2022-11-21 16:54:05,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2022-11-21 16:54:05,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2022-11-21 16:54:05,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2022-11-21 16:54:05,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2022-11-21 16:54:05,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2022-11-21 16:54:05,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2022-11-21 16:54:05,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 87 remaining) [2022-11-21 16:54:05,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 87 remaining) [2022-11-21 16:54:05,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2022-11-21 16:54:05,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2022-11-21 16:54:05,185 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2022-11-21 16:54:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2022-11-21 16:54:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2022-11-21 16:54:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2022-11-21 16:54:05,186 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2022-11-21 16:54:05,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2022-11-21 16:54:05,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2022-11-21 16:54:05,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2022-11-21 16:54:05,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2022-11-21 16:54:05,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2022-11-21 16:54:05,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2022-11-21 16:54:05,188 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2022-11-21 16:54:05,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2022-11-21 16:54:05,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2022-11-21 16:54:05,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2022-11-21 16:54:05,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2022-11-21 16:54:05,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2022-11-21 16:54:05,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2022-11-21 16:54:05,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2022-11-21 16:54:05,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2022-11-21 16:54:05,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2022-11-21 16:54:05,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2022-11-21 16:54:05,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2022-11-21 16:54:05,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2022-11-21 16:54:05,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2022-11-21 16:54:05,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2022-11-21 16:54:05,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2022-11-21 16:54:05,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2022-11-21 16:54:05,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2022-11-21 16:54:05,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2022-11-21 16:54:05,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2022-11-21 16:54:05,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2022-11-21 16:54:05,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2022-11-21 16:54:05,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2022-11-21 16:54:05,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2022-11-21 16:54:05,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:54:05,196 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, 1] [2022-11-21 16:54:05,205 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:54:05,205 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:54:05,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:54:05 BasicIcfg [2022-11-21 16:54:05,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:54:05,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:54:05,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:54:05,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:54:05,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:53:33" (3/4) ... [2022-11-21 16:54:05,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:54:05,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:54:05,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:54:05,237 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-21 16:54:05,237 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:54:05,238 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:54:05,238 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:54:05,317 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:54:05,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:54:05,318 INFO L158 Benchmark]: Toolchain (without parser) took 33845.92ms. Allocated memory was 174.1MB in the beginning and 8.5GB in the end (delta: 8.3GB). Free memory was 131.1MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 999.0MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,319 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 174.1MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:54:05,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.74ms. Allocated memory is still 174.1MB. Free memory was 130.6MB in the beginning and 118.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.91ms. Allocated memory is still 174.1MB. Free memory was 118.1MB in the beginning and 115.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,320 INFO L158 Benchmark]: Boogie Preprocessor took 84.04ms. Allocated memory is still 174.1MB. Free memory was 115.5MB in the beginning and 112.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,320 INFO L158 Benchmark]: RCFGBuilder took 1082.78ms. Allocated memory is still 174.1MB. Free memory was 112.8MB in the beginning and 83.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,321 INFO L158 Benchmark]: TraceAbstraction took 32131.87ms. Allocated memory was 174.1MB in the beginning and 8.5GB in the end (delta: 8.3GB). Free memory was 82.4MB in the beginning and 7.4GB in the end (delta: -7.4GB). Peak memory consumption was 946.6MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,322 INFO L158 Benchmark]: Witness Printer took 102.79ms. Allocated memory is still 8.5GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:54:05,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 174.1MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.74ms. Allocated memory is still 174.1MB. Free memory was 130.6MB in the beginning and 118.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.91ms. Allocated memory is still 174.1MB. Free memory was 118.1MB in the beginning and 115.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.04ms. Allocated memory is still 174.1MB. Free memory was 115.5MB in the beginning and 112.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.78ms. Allocated memory is still 174.1MB. Free memory was 112.8MB in the beginning and 83.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32131.87ms. Allocated memory was 174.1MB in the beginning and 8.5GB in the end (delta: 8.3GB). Free memory was 82.4MB in the beginning and 7.4GB in the end (delta: -7.4GB). Peak memory consumption was 946.6MB. Max. memory is 16.1GB. * Witness Printer took 102.79ms. Allocated memory is still 8.5GB. Free memory was 7.4GB in the beginning and 7.4GB 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 61]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 85]: 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: 91]: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 622 locations, 87 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: 31.8s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 268 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 268 mSDsluCounter, 573 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1863 IncrementalHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 531 mSDtfsCounter, 1863 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=0, InterpolantAutomatonStates: 79, 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, 3.4s InterpolantComputationTime, 2068 NumberOfCodeBlocks, 2068 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2048 ConstructedInterpolants, 0 QuantifiedInterpolants, 2919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:54:05,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f8eeb9-fc31-48df-871c-f78b19e0a5e4/bin/uautomizer-vX5HgA9Q3a/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