./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:29:36,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:29:36,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:29:36,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:29:36,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:29:36,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:29:36,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:29:36,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:29:36,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:29:36,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:29:36,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:29:36,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:29:36,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:29:36,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:29:36,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:29:36,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:29:36,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:29:36,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:29:36,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:29:36,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:29:36,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:29:36,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:29:36,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:29:36,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:29:36,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:29:36,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:29:36,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:29:36,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:29:36,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:29:36,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:29:36,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:29:36,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:29:36,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:29:36,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:29:36,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:29:36,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:29:36,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:29:36,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:29:36,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:29:36,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:29:36,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:29:36,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:29:36,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:29:36,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:29:36,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:29:36,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:29:36,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:29:36,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:29:36,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:29:36,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:29:36,736 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:29:36,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:29:36,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:29:36,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:29:36,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:29:36,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:29:36,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:29:36,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:29:36,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:29:36,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:29:36,740 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:29:36,741 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:29:36,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:29:36,741 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:29:36,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:29:36,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:29:36,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:29:36,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:29:36,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:29:36,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:29:36,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:29:36,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:29:36,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:29:36,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:29:36,745 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:29:36,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:29:36,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:29:36,746 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_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2022-11-20 11:29:37,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:29:37,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:29:37,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:29:37,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:29:37,182 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:29:37,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-20 11:29:40,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:29:40,946 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:29:40,947 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-20 11:29:40,959 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/data/5999789e9/f2532daca26447818ddfc17c450fea40/FLAGbad6118fe [2022-11-20 11:29:40,982 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/data/5999789e9/f2532daca26447818ddfc17c450fea40 [2022-11-20 11:29:40,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:29:40,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:29:40,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:29:40,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:29:40,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:29:40,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:40" (1/1) ... [2022-11-20 11:29:41,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d4b438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41, skipping insertion in model container [2022-11-20 11:29:41,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:29:40" (1/1) ... [2022-11-20 11:29:41,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:29:41,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:29:41,385 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_a6518894-3622-44a2-9bb3-36a17b081dd2/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-20 11:29:41,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:29:41,403 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:29:41,447 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_a6518894-3622-44a2-9bb3-36a17b081dd2/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-20 11:29:41,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:29:41,472 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:29:41,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41 WrapperNode [2022-11-20 11:29:41,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:29:41,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:29:41,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:29:41,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:29:41,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,587 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 504 [2022-11-20 11:29:41,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:29:41,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:29:41,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:29:41,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:29:41,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,651 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:29:41,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:29:41,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:29:41,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:29:41,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (1/1) ... [2022-11-20 11:29:41,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:29:41,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:29:41,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:29:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6518894-3622-44a2-9bb3-36a17b081dd2/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:29:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:29:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:29:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:29:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:29:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:29:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:29:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:29:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:29:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:29:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:29:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:29:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:29:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:29:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:29:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:29:41,830 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:29:42,029 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:29:42,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:29:43,089 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:29:43,102 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:29:43,102 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 11:29:43,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:43 BoogieIcfgContainer [2022-11-20 11:29:43,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:29:43,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:29:43,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:29:43,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:29:43,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:29:40" (1/3) ... [2022-11-20 11:29:43,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3780e173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:43, skipping insertion in model container [2022-11-20 11:29:43,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:29:41" (2/3) ... [2022-11-20 11:29:43,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3780e173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:29:43, skipping insertion in model container [2022-11-20 11:29:43,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:29:43" (3/3) ... [2022-11-20 11:29:43,117 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-11-20 11:29:43,127 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:29:43,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:29:43,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-11-20 11:29:43,140 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:29:43,349 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 11:29:43,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 618 places, 641 transitions, 1306 flow [2022-11-20 11:29:43,758 INFO L130 PetriNetUnfolder]: 33/638 cut-off events. [2022-11-20 11:29:43,758 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 11:29:43,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 638 events. 33/638 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1537 event pairs, 0 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 460. Up to 3 conditions per place. [2022-11-20 11:29:43,775 INFO L82 GeneralOperation]: Start removeDead. Operand has 618 places, 641 transitions, 1306 flow [2022-11-20 11:29:43,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 593 places, 614 transitions, 1246 flow [2022-11-20 11:29:43,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:29:43,807 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;@5303a4c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:29:43,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-20 11:29:43,812 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-20 11:29:43,813 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:29:43,814 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:43,815 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] [2022-11-20 11:29:43,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1476022102, now seen corresponding path program 1 times [2022-11-20 11:29:43,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:43,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924080118] [2022-11-20 11:29:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:44,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:44,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:44,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924080118] [2022-11-20 11:29:44,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924080118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:44,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:44,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:29:44,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305687145] [2022-11-20 11:29:44,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:44,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:44,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:44,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:44,251 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 641 [2022-11-20 11:29:44,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 593 places, 614 transitions, 1246 flow. Second operand has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:44,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:44,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 641 [2022-11-20 11:29:44,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:29:45,321 INFO L130 PetriNetUnfolder]: 106/1875 cut-off events. [2022-11-20 11:29:45,322 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-11-20 11:29:45,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2071 conditions, 1875 events. 106/1875 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 11679 event pairs, 60 based on Foata normal form. 89/1648 useless extension candidates. Maximal degree in co-relation 1532. Up to 145 conditions per place. [2022-11-20 11:29:45,380 INFO L137 encePairwiseOnDemand]: 620/641 looper letters, 24 selfloop transitions, 2 changer transitions 6/595 dead transitions. [2022-11-20 11:29:45,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 595 transitions, 1260 flow [2022-11-20 11:29:45,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:29:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1827 transitions. [2022-11-20 11:29:45,401 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9500780031201248 [2022-11-20 11:29:45,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1827 transitions. [2022-11-20 11:29:45,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1827 transitions. [2022-11-20 11:29:45,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:29:45,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1827 transitions. [2022-11-20 11:29:45,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 609.0) internal successors, (1827), 3 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:45,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:45,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:45,431 INFO L175 Difference]: Start difference. First operand has 593 places, 614 transitions, 1246 flow. Second operand 3 states and 1827 transitions. [2022-11-20 11:29:45,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 595 transitions, 1260 flow [2022-11-20 11:29:45,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 595 transitions, 1248 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 11:29:45,452 INFO L231 Difference]: Finished difference. Result has 588 places, 589 transitions, 1188 flow [2022-11-20 11:29:45,455 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=1196, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=593, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1188, PETRI_PLACES=588, PETRI_TRANSITIONS=589} [2022-11-20 11:29:45,459 INFO L288 CegarLoopForPetriNet]: 593 programPoint places, -5 predicate places. [2022-11-20 11:29:45,459 INFO L495 AbstractCegarLoop]: Abstraction has has 588 places, 589 transitions, 1188 flow [2022-11-20 11:29:45,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:45,461 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:45,461 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] [2022-11-20 11:29:45,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:29:45,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:45,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:45,463 INFO L85 PathProgramCache]: Analyzing trace with hash 407879198, now seen corresponding path program 1 times [2022-11-20 11:29:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:45,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92173604] [2022-11-20 11:29:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:45,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:45,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92173604] [2022-11-20 11:29:45,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92173604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:45,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:45,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:29:45,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274851896] [2022-11-20 11:29:45,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:45,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:45,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:45,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:45,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:45,590 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 641 [2022-11-20 11:29:45,592 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 589 transitions, 1188 flow. Second operand has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:45,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:45,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 641 [2022-11-20 11:29:45,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:29:46,883 INFO L130 PetriNetUnfolder]: 227/3225 cut-off events. [2022-11-20 11:29:46,883 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-20 11:29:46,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 3225 events. 227/3225 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 26464 event pairs, 132 based on Foata normal form. 0/2682 useless extension candidates. Maximal degree in co-relation 3525. Up to 274 conditions per place. [2022-11-20 11:29:46,983 INFO L137 encePairwiseOnDemand]: 638/641 looper letters, 24 selfloop transitions, 2 changer transitions 0/588 dead transitions. [2022-11-20 11:29:46,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 588 transitions, 1238 flow [2022-11-20 11:29:46,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:29:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1809 transitions. [2022-11-20 11:29:46,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9407176287051482 [2022-11-20 11:29:46,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1809 transitions. [2022-11-20 11:29:46,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1809 transitions. [2022-11-20 11:29:46,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:29:46,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1809 transitions. [2022-11-20 11:29:46,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.0) internal successors, (1809), 3 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:47,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:47,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:47,004 INFO L175 Difference]: Start difference. First operand has 588 places, 589 transitions, 1188 flow. Second operand 3 states and 1809 transitions. [2022-11-20 11:29:47,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 588 transitions, 1238 flow [2022-11-20 11:29:47,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 588 transitions, 1234 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:29:47,018 INFO L231 Difference]: Finished difference. Result has 581 places, 588 transitions, 1186 flow [2022-11-20 11:29:47,020 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=579, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1186, PETRI_PLACES=581, PETRI_TRANSITIONS=588} [2022-11-20 11:29:47,021 INFO L288 CegarLoopForPetriNet]: 593 programPoint places, -12 predicate places. [2022-11-20 11:29:47,021 INFO L495 AbstractCegarLoop]: Abstraction has has 581 places, 588 transitions, 1186 flow [2022-11-20 11:29:47,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:47,023 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:47,023 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] [2022-11-20 11:29:47,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:29:47,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1566259234, now seen corresponding path program 1 times [2022-11-20 11:29:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:47,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796925183] [2022-11-20 11:29:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:47,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:47,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796925183] [2022-11-20 11:29:47,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796925183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:47,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:47,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:29:47,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359716362] [2022-11-20 11:29:47,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:47,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:47,105 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 594 out of 641 [2022-11-20 11:29:47,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 588 transitions, 1186 flow. Second operand has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:47,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:47,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 594 of 641 [2022-11-20 11:29:47,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:29:48,317 INFO L130 PetriNetUnfolder]: 227/3194 cut-off events. [2022-11-20 11:29:48,317 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-20 11:29:48,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3483 conditions, 3194 events. 227/3194 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 25805 event pairs, 132 based on Foata normal form. 0/2662 useless extension candidates. Maximal degree in co-relation 3439. Up to 274 conditions per place. [2022-11-20 11:29:48,404 INFO L137 encePairwiseOnDemand]: 638/641 looper letters, 24 selfloop transitions, 2 changer transitions 0/587 dead transitions. [2022-11-20 11:29:48,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 582 places, 587 transitions, 1236 flow [2022-11-20 11:29:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:29:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1809 transitions. [2022-11-20 11:29:48,409 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9407176287051482 [2022-11-20 11:29:48,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1809 transitions. [2022-11-20 11:29:48,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1809 transitions. [2022-11-20 11:29:48,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:29:48,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1809 transitions. [2022-11-20 11:29:48,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.0) internal successors, (1809), 3 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:48,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:48,423 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:48,423 INFO L175 Difference]: Start difference. First operand has 581 places, 588 transitions, 1186 flow. Second operand 3 states and 1809 transitions. [2022-11-20 11:29:48,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 582 places, 587 transitions, 1236 flow [2022-11-20 11:29:48,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 587 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:29:48,434 INFO L231 Difference]: Finished difference. Result has 580 places, 587 transitions, 1184 flow [2022-11-20 11:29:48,436 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=585, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=580, PETRI_TRANSITIONS=587} [2022-11-20 11:29:48,437 INFO L288 CegarLoopForPetriNet]: 593 programPoint places, -13 predicate places. [2022-11-20 11:29:48,437 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 587 transitions, 1184 flow [2022-11-20 11:29:48,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 595.3333333333334) internal successors, (1786), 3 states have internal predecessors, (1786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:48,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:48,439 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] [2022-11-20 11:29:48,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:29:48,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1279621106, now seen corresponding path program 1 times [2022-11-20 11:29:48,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:48,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615806704] [2022-11-20 11:29:48,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:48,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:48,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:48,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615806704] [2022-11-20 11:29:48,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615806704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:48,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:48,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:29:48,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143270564] [2022-11-20 11:29:48,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:48,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:48,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:48,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:48,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:48,495 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 641 [2022-11-20 11:29:48,498 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 580 places, 587 transitions, 1184 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:48,498 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:48,498 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 641 [2022-11-20 11:29:48,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:29:49,013 INFO L130 PetriNetUnfolder]: 72/1598 cut-off events. [2022-11-20 11:29:49,013 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-20 11:29:49,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1598 events. 72/1598 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9198 event pairs, 32 based on Foata normal form. 0/1366 useless extension candidates. Maximal degree in co-relation 1644. Up to 80 conditions per place. [2022-11-20 11:29:49,065 INFO L137 encePairwiseOnDemand]: 635/641 looper letters, 17 selfloop transitions, 1 changer transitions 0/582 dead transitions. [2022-11-20 11:29:49,065 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 582 transitions, 1210 flow [2022-11-20 11:29:49,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:29:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1814 transitions. [2022-11-20 11:29:49,070 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9433177327093084 [2022-11-20 11:29:49,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1814 transitions. [2022-11-20 11:29:49,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1814 transitions. [2022-11-20 11:29:49,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:29:49,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1814 transitions. [2022-11-20 11:29:49,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 604.6666666666666) internal successors, (1814), 3 states have internal predecessors, (1814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:49,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:49,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:49,089 INFO L175 Difference]: Start difference. First operand has 580 places, 587 transitions, 1184 flow. Second operand 3 states and 1814 transitions. [2022-11-20 11:29:49,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 582 transitions, 1210 flow [2022-11-20 11:29:49,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 582 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:29:49,105 INFO L231 Difference]: Finished difference. Result has 575 places, 582 transitions, 1172 flow [2022-11-20 11:29:49,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=1170, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1172, PETRI_PLACES=575, PETRI_TRANSITIONS=582} [2022-11-20 11:29:49,115 INFO L288 CegarLoopForPetriNet]: 593 programPoint places, -18 predicate places. [2022-11-20 11:29:49,115 INFO L495 AbstractCegarLoop]: Abstraction has has 575 places, 582 transitions, 1172 flow [2022-11-20 11:29:49,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:49,117 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:49,117 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] [2022-11-20 11:29:49,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:29:49,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:49,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:49,119 INFO L85 PathProgramCache]: Analyzing trace with hash -2064625485, now seen corresponding path program 1 times [2022-11-20 11:29:49,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:49,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608168615] [2022-11-20 11:29:49,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:49,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:49,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:49,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608168615] [2022-11-20 11:29:49,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608168615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:49,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:49,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:29:49,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768313891] [2022-11-20 11:29:49,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:49,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:49,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:49,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:49,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:49,298 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 597 out of 641 [2022-11-20 11:29:49,301 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 582 transitions, 1172 flow. Second operand has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:49,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:49,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 597 of 641 [2022-11-20 11:29:49,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:29:50,040 INFO L130 PetriNetUnfolder]: 123/1961 cut-off events. [2022-11-20 11:29:50,040 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-11-20 11:29:50,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2151 conditions, 1961 events. 123/1961 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 12662 event pairs, 60 based on Foata normal form. 0/1663 useless extension candidates. Maximal degree in co-relation 2100. Up to 170 conditions per place. [2022-11-20 11:29:50,102 INFO L137 encePairwiseOnDemand]: 638/641 looper letters, 21 selfloop transitions, 2 changer transitions 0/581 dead transitions. [2022-11-20 11:29:50,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 581 transitions, 1216 flow [2022-11-20 11:29:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:29:50,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1815 transitions. [2022-11-20 11:29:50,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9438377535101404 [2022-11-20 11:29:50,109 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1815 transitions. [2022-11-20 11:29:50,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1815 transitions. [2022-11-20 11:29:50,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:29:50,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1815 transitions. [2022-11-20 11:29:50,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 605.0) internal successors, (1815), 3 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:50,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:50,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 641.0) internal successors, (2564), 4 states have internal predecessors, (2564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:50,126 INFO L175 Difference]: Start difference. First operand has 575 places, 582 transitions, 1172 flow. Second operand 3 states and 1815 transitions. [2022-11-20 11:29:50,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 581 transitions, 1216 flow [2022-11-20 11:29:50,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 581 transitions, 1215 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:29:50,142 INFO L231 Difference]: Finished difference. Result has 575 places, 581 transitions, 1173 flow [2022-11-20 11:29:50,143 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=1169, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1173, PETRI_PLACES=575, PETRI_TRANSITIONS=581} [2022-11-20 11:29:50,147 INFO L288 CegarLoopForPetriNet]: 593 programPoint places, -18 predicate places. [2022-11-20 11:29:50,148 INFO L495 AbstractCegarLoop]: Abstraction has has 575 places, 581 transitions, 1173 flow [2022-11-20 11:29:50,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 598.3333333333334) internal successors, (1795), 3 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:50,150 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:29:50,150 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] [2022-11-20 11:29:50,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:29:50,151 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-20 11:29:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:50,153 INFO L85 PathProgramCache]: Analyzing trace with hash -294892708, now seen corresponding path program 1 times [2022-11-20 11:29:50,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:29:50,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473279289] [2022-11-20 11:29:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:29:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:29:50,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:29:50,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473279289] [2022-11-20 11:29:50,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473279289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:50,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:50,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:29:50,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674982929] [2022-11-20 11:29:50,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:50,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:29:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:29:50,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:29:50,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:29:50,946 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 641 [2022-11-20 11:29:50,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 581 transitions, 1173 flow. Second operand has 6 states, 6 states have (on average 475.8333333333333) internal successors, (2855), 6 states have internal predecessors, (2855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:29:50,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:29:50,952 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 641 [2022-11-20 11:29:50,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand