./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/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_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/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_cf098455-78d8-4f36-b17c-f7cebbfd4edf/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 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 --- 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 12:12:36,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:12:36,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:12:36,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:12:36,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:12:36,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:12:36,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:12:36,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:12:36,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:12:36,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:12:36,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:12:36,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:12:36,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:12:36,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:12:36,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:12:36,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:12:36,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:12:36,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:12:36,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:12:36,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:12:36,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:12:36,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:12:36,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:12:36,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:12:36,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:12:36,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:12:36,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:12:36,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:12:36,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:12:36,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:12:36,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:12:36,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:12:36,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:12:36,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:12:36,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:12:36,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:12:36,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:12:36,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:12:36,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:12:36,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:12:36,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:12:36,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:12:36,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:12:36,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:12:36,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:12:36,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:12:36,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:12:36,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:12:36,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:12:36,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:12:36,220 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:12:36,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:12:36,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:12:36,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:12:36,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:12:36,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:12:36,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:12:36,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:12:36,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:12:36,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:12:36,223 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:12:36,224 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:12:36,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:12:36,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:12:36,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:12:36,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:12:36,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:12:36,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:12:36,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:12:36,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:12:36,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:12:36,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:12:36,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:12:36,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:12:36,228 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:12:36,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:12:36,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:12:36,229 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_cf098455-78d8-4f36-b17c-f7cebbfd4edf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00b544e07f34285bd260f481b4b1205a15ed1c83d300c57496244de51f7f3936 [2022-11-20 12:12:36,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:12:36,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:12:36,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:12:36,581 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:12:36,581 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:12:36,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2022-11-20 12:12:39,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:12:39,761 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:12:39,762 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2022-11-20 12:12:39,769 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/data/a1dec4c25/bb2a75c7ebf247e1877f8e5a7bb55946/FLAG3472440b6 [2022-11-20 12:12:39,786 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/data/a1dec4c25/bb2a75c7ebf247e1877f8e5a7bb55946 [2022-11-20 12:12:39,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:12:39,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:12:39,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:12:39,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:12:39,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:12:39,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:12:39" (1/1) ... [2022-11-20 12:12:39,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28402041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:39, skipping insertion in model container [2022-11-20 12:12:39,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:12:39" (1/1) ... [2022-11-20 12:12:39,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:12:39,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:12:40,110 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_cf098455-78d8-4f36-b17c-f7cebbfd4edf/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2022-11-20 12:12:40,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:12:40,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:12:40,177 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_cf098455-78d8-4f36-b17c-f7cebbfd4edf/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c[2681,2694] [2022-11-20 12:12:40,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:12:40,207 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:12:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40 WrapperNode [2022-11-20 12:12:40,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:12:40,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:12:40,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:12:40,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:12:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,292 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 369 [2022-11-20 12:12:40,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:12:40,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:12:40,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:12:40,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:12:40,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:12:40,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:12:40,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:12:40,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:12:40,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (1/1) ... [2022-11-20 12:12:40,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:12:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:12:40,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:12:40,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:12:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:12:40,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:12:40,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:12:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:12:40,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:12:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:12:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:12:40,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:12:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:12:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:12:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:12:40,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:12:40,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:12:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:12:40,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:12:40,436 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 12:12:40,543 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:12:40,545 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:12:41,261 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:12:42,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:12:42,044 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 12:12:42,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:42 BoogieIcfgContainer [2022-11-20 12:12:42,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:12:42,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:12:42,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:12:42,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:12:42,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:12:39" (1/3) ... [2022-11-20 12:12:42,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad07761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:12:42, skipping insertion in model container [2022-11-20 12:12:42,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:12:40" (2/3) ... [2022-11-20 12:12:42,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ad07761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:12:42, skipping insertion in model container [2022-11-20 12:12:42,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:42" (3/3) ... [2022-11-20 12:12:42,059 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2022-11-20 12:12:42,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:12:42,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:12:42,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-11-20 12:12:42,080 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:12:42,286 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 12:12:42,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 272 transitions, 560 flow [2022-11-20 12:12:42,510 INFO L130 PetriNetUnfolder]: 13/270 cut-off events. [2022-11-20 12:12:42,510 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:12:42,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 270 events. 13/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 435 event pairs, 0 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2022-11-20 12:12:42,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 272 transitions, 560 flow [2022-11-20 12:12:42,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 252 transitions, 516 flow [2022-11-20 12:12:42,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:12:42,553 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;@7f1b533, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:12:42,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2022-11-20 12:12:42,558 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-20 12:12:42,559 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:12:42,559 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:42,560 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] [2022-11-20 12:12:42,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:42,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:42,567 INFO L85 PathProgramCache]: Analyzing trace with hash -238464548, now seen corresponding path program 1 times [2022-11-20 12:12:42,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:42,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677004093] [2022-11-20 12:12:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:42,769 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 12:12:42,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:42,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677004093] [2022-11-20 12:12:42,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677004093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:42,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:42,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550704458] [2022-11-20 12:12:42,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:42,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:42,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:42,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:42,836 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 272 [2022-11-20 12:12:42,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 252 transitions, 516 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states 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 12:12:42,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:42,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 272 [2022-11-20 12:12:42,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:43,199 INFO L130 PetriNetUnfolder]: 38/318 cut-off events. [2022-11-20 12:12:43,199 INFO L131 PetriNetUnfolder]: For 43/89 co-relation queries the response was YES. [2022-11-20 12:12:43,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 318 events. 38/318 cut-off events. For 43/89 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 775 event pairs, 24 based on Foata normal form. 6/277 useless extension candidates. Maximal degree in co-relation 206. Up to 74 conditions per place. [2022-11-20 12:12:43,203 INFO L137 encePairwiseOnDemand]: 221/272 looper letters, 15 selfloop transitions, 2 changer transitions 4/203 dead transitions. [2022-11-20 12:12:43,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 203 transitions, 452 flow [2022-11-20 12:12:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-20 12:12:43,226 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8308823529411765 [2022-11-20 12:12:43,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-20 12:12:43,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-20 12:12:43,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:43,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-20 12:12:43,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states 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 12:12:43,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,253 INFO L175 Difference]: Start difference. First operand has 247 places, 252 transitions, 516 flow. Second operand 3 states and 678 transitions. [2022-11-20 12:12:43,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 203 transitions, 452 flow [2022-11-20 12:12:43,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 203 transitions, 444 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:12:43,264 INFO L231 Difference]: Finished difference. Result has 204 places, 199 transitions, 406 flow [2022-11-20 12:12:43,266 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=204, PETRI_TRANSITIONS=199} [2022-11-20 12:12:43,272 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -43 predicate places. [2022-11-20 12:12:43,273 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 199 transitions, 406 flow [2022-11-20 12:12:43,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states 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 12:12:43,273 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:43,274 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:12:43,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:12:43,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:43,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:43,275 INFO L85 PathProgramCache]: Analyzing trace with hash -457144500, now seen corresponding path program 1 times [2022-11-20 12:12:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:43,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465894738] [2022-11-20 12:12:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:43,336 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 12:12:43,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:43,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465894738] [2022-11-20 12:12:43,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465894738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:43,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:43,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:43,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257227588] [2022-11-20 12:12:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:43,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:43,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:43,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:43,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:43,341 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 272 [2022-11-20 12:12:43,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 199 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states 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 12:12:43,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:43,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 272 [2022-11-20 12:12:43,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:43,523 INFO L130 PetriNetUnfolder]: 13/240 cut-off events. [2022-11-20 12:12:43,523 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:43,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 240 events. 13/240 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 289 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 241. Up to 25 conditions per place. [2022-11-20 12:12:43,525 INFO L137 encePairwiseOnDemand]: 269/272 looper letters, 12 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2022-11-20 12:12:43,525 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 198 transitions, 432 flow [2022-11-20 12:12:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2022-11-20 12:12:43,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7794117647058824 [2022-11-20 12:12:43,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:43,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 12:12:43,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,533 INFO L175 Difference]: Start difference. First operand has 204 places, 199 transitions, 406 flow. Second operand 3 states and 636 transitions. [2022-11-20 12:12:43,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 198 transitions, 432 flow [2022-11-20 12:12:43,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 198 transitions, 428 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:12:43,544 INFO L231 Difference]: Finished difference. Result has 199 places, 198 transitions, 404 flow [2022-11-20 12:12:43,545 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=199, PETRI_TRANSITIONS=198} [2022-11-20 12:12:43,546 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -48 predicate places. [2022-11-20 12:12:43,546 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 198 transitions, 404 flow [2022-11-20 12:12:43,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states 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 12:12:43,547 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:43,548 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] [2022-11-20 12:12:43,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:12:43,548 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:43,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash -571595423, now seen corresponding path program 1 times [2022-11-20 12:12:43,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:43,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948842905] [2022-11-20 12:12:43,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:43,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:43,615 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 12:12:43,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:43,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948842905] [2022-11-20 12:12:43,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948842905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:43,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:43,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:43,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751621104] [2022-11-20 12:12:43,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:43,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:43,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:43,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:43,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:43,619 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 272 [2022-11-20 12:12:43,620 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 198 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states 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 12:12:43,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:43,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 272 [2022-11-20 12:12:43,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:43,787 INFO L130 PetriNetUnfolder]: 13/239 cut-off events. [2022-11-20 12:12:43,787 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:43,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 239 events. 13/239 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 288 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 233. Up to 25 conditions per place. [2022-11-20 12:12:43,789 INFO L137 encePairwiseOnDemand]: 269/272 looper letters, 12 selfloop transitions, 2 changer transitions 0/197 dead transitions. [2022-11-20 12:12:43,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 197 transitions, 430 flow [2022-11-20 12:12:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2022-11-20 12:12:43,792 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7794117647058824 [2022-11-20 12:12:43,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:43,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2022-11-20 12:12:43,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states 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 12:12:43,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,797 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:43,797 INFO L175 Difference]: Start difference. First operand has 199 places, 198 transitions, 404 flow. Second operand 3 states and 636 transitions. [2022-11-20 12:12:43,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 197 transitions, 430 flow [2022-11-20 12:12:43,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 197 transitions, 426 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:12:43,801 INFO L231 Difference]: Finished difference. Result has 198 places, 197 transitions, 402 flow [2022-11-20 12:12:43,802 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=198, PETRI_TRANSITIONS=197} [2022-11-20 12:12:43,803 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -49 predicate places. [2022-11-20 12:12:43,803 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 197 transitions, 402 flow [2022-11-20 12:12:43,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states 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 12:12:43,804 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:43,804 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 12:12:43,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:12:43,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:43,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:43,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1202966723, now seen corresponding path program 1 times [2022-11-20 12:12:43,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:43,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495922456] [2022-11-20 12:12:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:43,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:43,851 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 12:12:43,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:43,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495922456] [2022-11-20 12:12:43,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495922456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:43,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:43,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:43,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467087188] [2022-11-20 12:12:43,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:43,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:43,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:43,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:43,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:43,855 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 272 [2022-11-20 12:12:43,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 197 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:43,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:43,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 272 [2022-11-20 12:12:43,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:44,044 INFO L130 PetriNetUnfolder]: 13/238 cut-off events. [2022-11-20 12:12:44,045 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:44,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 238 events. 13/238 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 287 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 220. Up to 20 conditions per place. [2022-11-20 12:12:44,046 INFO L137 encePairwiseOnDemand]: 270/272 looper letters, 9 selfloop transitions, 1 changer transitions 0/196 dead transitions. [2022-11-20 12:12:44,047 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 196 transitions, 420 flow [2022-11-20 12:12:44,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2022-11-20 12:12:44,049 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7855392156862745 [2022-11-20 12:12:44,049 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2022-11-20 12:12:44,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2022-11-20 12:12:44,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:44,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2022-11-20 12:12:44,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states 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 12:12:44,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:44,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:44,055 INFO L175 Difference]: Start difference. First operand has 198 places, 197 transitions, 402 flow. Second operand 3 states and 641 transitions. [2022-11-20 12:12:44,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 196 transitions, 420 flow [2022-11-20 12:12:44,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 196 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:12:44,059 INFO L231 Difference]: Finished difference. Result has 197 places, 196 transitions, 398 flow [2022-11-20 12:12:44,060 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=197, PETRI_TRANSITIONS=196} [2022-11-20 12:12:44,061 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -50 predicate places. [2022-11-20 12:12:44,061 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 196 transitions, 398 flow [2022-11-20 12:12:44,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:44,062 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:44,062 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] [2022-11-20 12:12:44,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:12:44,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:44,063 INFO L85 PathProgramCache]: Analyzing trace with hash -711380679, now seen corresponding path program 1 times [2022-11-20 12:12:44,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:44,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668640178] [2022-11-20 12:12:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:44,175 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 12:12:44,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:44,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668640178] [2022-11-20 12:12:44,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668640178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:44,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:44,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:44,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607124722] [2022-11-20 12:12:44,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:44,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:44,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:44,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:44,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:44,178 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 272 [2022-11-20 12:12:44,179 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 196 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:44,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:44,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 272 [2022-11-20 12:12:44,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:44,365 INFO L130 PetriNetUnfolder]: 13/237 cut-off events. [2022-11-20 12:12:44,365 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:44,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 237 events. 13/237 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 283 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 220. Up to 22 conditions per place. [2022-11-20 12:12:44,367 INFO L137 encePairwiseOnDemand]: 269/272 looper letters, 9 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2022-11-20 12:12:44,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 418 flow [2022-11-20 12:12:44,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-20 12:12:44,369 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7867647058823529 [2022-11-20 12:12:44,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-20 12:12:44,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-20 12:12:44,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:44,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-20 12:12:44,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states 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 12:12:44,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:44,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:44,374 INFO L175 Difference]: Start difference. First operand has 197 places, 196 transitions, 398 flow. Second operand 3 states and 642 transitions. [2022-11-20 12:12:44,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 418 flow [2022-11-20 12:12:44,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 195 transitions, 417 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:12:44,379 INFO L231 Difference]: Finished difference. Result has 197 places, 195 transitions, 399 flow [2022-11-20 12:12:44,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=197, PETRI_TRANSITIONS=195} [2022-11-20 12:12:44,380 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -50 predicate places. [2022-11-20 12:12:44,380 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 195 transitions, 399 flow [2022-11-20 12:12:44,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:44,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:44,381 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] [2022-11-20 12:12:44,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:12:44,381 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:44,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:44,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1300577123, now seen corresponding path program 1 times [2022-11-20 12:12:44,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:44,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305843432] [2022-11-20 12:12:44,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:44,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:44,920 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 12:12:44,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:44,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305843432] [2022-11-20 12:12:44,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305843432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:44,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:44,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:12:44,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491292256] [2022-11-20 12:12:44,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:44,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:12:44,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:44,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:12:44,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:12:44,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 272 [2022-11-20 12:12:44,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 195 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 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) [2022-11-20 12:12:44,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:44,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 272 [2022-11-20 12:12:44,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:45,305 INFO L130 PetriNetUnfolder]: 53/301 cut-off events. [2022-11-20 12:12:45,305 INFO L131 PetriNetUnfolder]: For 1/6 co-relation queries the response was YES. [2022-11-20 12:12:45,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 301 events. 53/301 cut-off events. For 1/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 709 event pairs, 33 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 390. Up to 117 conditions per place. [2022-11-20 12:12:45,309 INFO L137 encePairwiseOnDemand]: 260/272 looper letters, 40 selfloop transitions, 10 changer transitions 0/193 dead transitions. [2022-11-20 12:12:45,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 193 transitions, 495 flow [2022-11-20 12:12:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:12:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:12:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1072 transitions. [2022-11-20 12:12:45,313 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6568627450980392 [2022-11-20 12:12:45,313 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1072 transitions. [2022-11-20 12:12:45,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1072 transitions. [2022-11-20 12:12:45,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:45,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1072 transitions. [2022-11-20 12:12:45,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.66666666666666) internal successors, (1072), 6 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states 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 12:12:45,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:45,323 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:45,323 INFO L175 Difference]: Start difference. First operand has 197 places, 195 transitions, 399 flow. Second operand 6 states and 1072 transitions. [2022-11-20 12:12:45,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 193 transitions, 495 flow [2022-11-20 12:12:45,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 491 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:12:45,328 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 411 flow [2022-11-20 12:12:45,329 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=411, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-20 12:12:45,331 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -49 predicate places. [2022-11-20 12:12:45,332 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 411 flow [2022-11-20 12:12:45,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 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) [2022-11-20 12:12:45,332 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:45,333 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 12:12:45,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:12:45,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:45,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:45,334 INFO L85 PathProgramCache]: Analyzing trace with hash 414669633, now seen corresponding path program 1 times [2022-11-20 12:12:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:45,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472315405] [2022-11-20 12:12:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:45,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:45,410 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 12:12:45,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:45,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472315405] [2022-11-20 12:12:45,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472315405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:45,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:45,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:45,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234833872] [2022-11-20 12:12:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:45,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:45,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:45,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:45,419 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 272 [2022-11-20 12:12:45,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:45,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:45,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 272 [2022-11-20 12:12:45,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:45,570 INFO L130 PetriNetUnfolder]: 13/234 cut-off events. [2022-11-20 12:12:45,570 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:45,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 234 events. 13/234 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 240. Up to 20 conditions per place. [2022-11-20 12:12:45,572 INFO L137 encePairwiseOnDemand]: 270/272 looper letters, 9 selfloop transitions, 1 changer transitions 0/192 dead transitions. [2022-11-20 12:12:45,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 429 flow [2022-11-20 12:12:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:45,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2022-11-20 12:12:45,577 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7855392156862745 [2022-11-20 12:12:45,577 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2022-11-20 12:12:45,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2022-11-20 12:12:45,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:45,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2022-11-20 12:12:45,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states 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 12:12:45,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:45,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:45,582 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 411 flow. Second operand 3 states and 641 transitions. [2022-11-20 12:12:45,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 429 flow [2022-11-20 12:12:45,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 409 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 12:12:45,586 INFO L231 Difference]: Finished difference. Result has 194 places, 192 transitions, 391 flow [2022-11-20 12:12:45,587 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=194, PETRI_TRANSITIONS=192} [2022-11-20 12:12:45,588 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -53 predicate places. [2022-11-20 12:12:45,588 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 192 transitions, 391 flow [2022-11-20 12:12:45,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:45,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:45,589 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] [2022-11-20 12:12:45,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:12:45,589 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:45,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:45,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1126406716, now seen corresponding path program 1 times [2022-11-20 12:12:45,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:45,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047931257] [2022-11-20 12:12:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:45,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:12:45,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:45,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047931257] [2022-11-20 12:12:45,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047931257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:45,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:45,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700211182] [2022-11-20 12:12:45,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:45,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:45,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:45,661 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 272 [2022-11-20 12:12:45,661 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 192 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:45,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:45,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 272 [2022-11-20 12:12:45,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:45,818 INFO L130 PetriNetUnfolder]: 13/233 cut-off events. [2022-11-20 12:12:45,818 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-11-20 12:12:45,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 233 events. 13/233 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 270 event pairs, 3 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 217. Up to 22 conditions per place. [2022-11-20 12:12:45,819 INFO L137 encePairwiseOnDemand]: 269/272 looper letters, 9 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-20 12:12:45,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 191 transitions, 411 flow [2022-11-20 12:12:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-20 12:12:45,821 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7867647058823529 [2022-11-20 12:12:45,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-20 12:12:45,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-20 12:12:45,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:45,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-20 12:12:45,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states 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 12:12:45,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:45,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:45,827 INFO L175 Difference]: Start difference. First operand has 194 places, 192 transitions, 391 flow. Second operand 3 states and 642 transitions. [2022-11-20 12:12:45,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 191 transitions, 411 flow [2022-11-20 12:12:45,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 191 transitions, 410 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:12:45,831 INFO L231 Difference]: Finished difference. Result has 194 places, 191 transitions, 392 flow [2022-11-20 12:12:45,832 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=194, PETRI_TRANSITIONS=191} [2022-11-20 12:12:45,835 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -53 predicate places. [2022-11-20 12:12:45,835 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 191 transitions, 392 flow [2022-11-20 12:12:45,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states 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 12:12:45,836 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:45,836 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] [2022-11-20 12:12:45,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:12:45,836 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1752830975, now seen corresponding path program 1 times [2022-11-20 12:12:45,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:45,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634322354] [2022-11-20 12:12:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:45,896 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 12:12:45,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:45,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634322354] [2022-11-20 12:12:45,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634322354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:45,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:45,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:45,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013825444] [2022-11-20 12:12:45,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:45,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:45,899 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 272 [2022-11-20 12:12:45,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states 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 12:12:45,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:45,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 272 [2022-11-20 12:12:45,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:46,054 INFO L130 PetriNetUnfolder]: 27/264 cut-off events. [2022-11-20 12:12:46,055 INFO L131 PetriNetUnfolder]: For 5/19 co-relation queries the response was YES. [2022-11-20 12:12:46,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 264 events. 27/264 cut-off events. For 5/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 491 event pairs, 9 based on Foata normal form. 1/249 useless extension candidates. Maximal degree in co-relation 280. Up to 48 conditions per place. [2022-11-20 12:12:46,056 INFO L137 encePairwiseOnDemand]: 268/272 looper letters, 13 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-20 12:12:46,056 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 192 transitions, 425 flow [2022-11-20 12:12:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2022-11-20 12:12:46,058 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7818627450980392 [2022-11-20 12:12:46,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2022-11-20 12:12:46,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2022-11-20 12:12:46,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:46,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2022-11-20 12:12:46,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states 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 12:12:46,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:46,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:46,062 INFO L175 Difference]: Start difference. First operand has 194 places, 191 transitions, 392 flow. Second operand 3 states and 638 transitions. [2022-11-20 12:12:46,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 192 transitions, 425 flow [2022-11-20 12:12:46,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 192 transitions, 421 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:12:46,068 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 398 flow [2022-11-20 12:12:46,069 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-20 12:12:46,070 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -54 predicate places. [2022-11-20 12:12:46,070 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 398 flow [2022-11-20 12:12:46,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states 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 12:12:46,071 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:46,071 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] [2022-11-20 12:12:46,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:12:46,071 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1349515560, now seen corresponding path program 1 times [2022-11-20 12:12:46,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:46,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497380604] [2022-11-20 12:12:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:12:46,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:46,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497380604] [2022-11-20 12:12:46,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497380604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:46,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:46,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:12:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350316079] [2022-11-20 12:12:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:46,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:12:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:46,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:12:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:12:46,587 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 272 [2022-11-20 12:12:46,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 187.83333333333334) internal successors, (1127), 6 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 12:12:46,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:46,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 272 [2022-11-20 12:12:46,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:47,744 INFO L130 PetriNetUnfolder]: 63/321 cut-off events. [2022-11-20 12:12:47,744 INFO L131 PetriNetUnfolder]: For 1/6 co-relation queries the response was YES. [2022-11-20 12:12:47,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 321 events. 63/321 cut-off events. For 1/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 880 event pairs, 8 based on Foata normal form. 4/305 useless extension candidates. Maximal degree in co-relation 415. Up to 47 conditions per place. [2022-11-20 12:12:47,747 INFO L137 encePairwiseOnDemand]: 267/272 looper letters, 35 selfloop transitions, 4 changer transitions 0/198 dead transitions. [2022-11-20 12:12:47,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 198 transitions, 490 flow [2022-11-20 12:12:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:12:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:12:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1156 transitions. [2022-11-20 12:12:47,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2022-11-20 12:12:47,751 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1156 transitions. [2022-11-20 12:12:47,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1156 transitions. [2022-11-20 12:12:47,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:47,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1156 transitions. [2022-11-20 12:12:47,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.66666666666666) internal successors, (1156), 6 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states 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 12:12:47,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:47,758 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:47,758 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 398 flow. Second operand 6 states and 1156 transitions. [2022-11-20 12:12:47,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 198 transitions, 490 flow [2022-11-20 12:12:47,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 198 transitions, 490 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 12:12:47,762 INFO L231 Difference]: Finished difference. Result has 197 places, 190 transitions, 404 flow [2022-11-20 12:12:47,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=404, PETRI_PLACES=197, PETRI_TRANSITIONS=190} [2022-11-20 12:12:47,763 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -50 predicate places. [2022-11-20 12:12:47,763 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 190 transitions, 404 flow [2022-11-20 12:12:47,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.83333333333334) internal successors, (1127), 6 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 12:12:47,764 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:47,764 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:12:47,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:12:47,765 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:47,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1367107443, now seen corresponding path program 1 times [2022-11-20 12:12:47,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:47,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251401436] [2022-11-20 12:12:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:48,276 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 12:12:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:48,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251401436] [2022-11-20 12:12:48,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251401436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:48,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:48,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:12:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319763642] [2022-11-20 12:12:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:48,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:12:48,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:48,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:12:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:12:48,279 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 272 [2022-11-20 12:12:48,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 190 transitions, 404 flow. Second operand has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 12:12:48,281 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:48,281 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 272 [2022-11-20 12:12:48,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:48,808 INFO L130 PetriNetUnfolder]: 52/299 cut-off events. [2022-11-20 12:12:48,808 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-20 12:12:48,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 299 events. 52/299 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 778 event pairs, 30 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 396. Up to 89 conditions per place. [2022-11-20 12:12:48,811 INFO L137 encePairwiseOnDemand]: 267/272 looper letters, 30 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2022-11-20 12:12:48,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 193 transitions, 478 flow [2022-11-20 12:12:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:12:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:12:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1151 transitions. [2022-11-20 12:12:48,814 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7052696078431373 [2022-11-20 12:12:48,815 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1151 transitions. [2022-11-20 12:12:48,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1151 transitions. [2022-11-20 12:12:48,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:48,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1151 transitions. [2022-11-20 12:12:48,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states 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 12:12:48,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:48,823 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 272.0) internal successors, (1904), 7 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states 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 12:12:48,823 INFO L175 Difference]: Start difference. First operand has 197 places, 190 transitions, 404 flow. Second operand 6 states and 1151 transitions. [2022-11-20 12:12:48,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 193 transitions, 478 flow [2022-11-20 12:12:48,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 471 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:12:48,828 INFO L231 Difference]: Finished difference. Result has 197 places, 189 transitions, 403 flow [2022-11-20 12:12:48,829 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=403, PETRI_PLACES=197, PETRI_TRANSITIONS=189} [2022-11-20 12:12:48,829 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -50 predicate places. [2022-11-20 12:12:48,829 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 189 transitions, 403 flow [2022-11-20 12:12:48,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 12:12:48,831 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:12:48,831 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:12:48,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:12:48,833 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 94 more)] === [2022-11-20 12:12:48,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:12:48,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1580707101, now seen corresponding path program 1 times [2022-11-20 12:12:48,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:12:48,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368142760] [2022-11-20 12:12:48,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:12:48,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:12:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:12:48,916 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 12:12:48,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:12:48,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368142760] [2022-11-20 12:12:48,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368142760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:12:48,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:12:48,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:12:48,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620349501] [2022-11-20 12:12:48,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:12:48,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:12:48,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:12:48,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:12:48,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:12:48,919 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 272 [2022-11-20 12:12:48,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 189 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states 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 12:12:48,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:12:48,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 272 [2022-11-20 12:12:48,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:12:49,125 INFO L130 PetriNetUnfolder]: 16/234 cut-off events. [2022-11-20 12:12:49,125 INFO L131 PetriNetUnfolder]: For 5/8 co-relation queries the response was YES. [2022-11-20 12:12:49,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 234 events. 16/234 cut-off events. For 5/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 301 event pairs, 3 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 260. Up to 18 conditions per place. [2022-11-20 12:12:49,126 INFO L137 encePairwiseOnDemand]: 270/272 looper letters, 0 selfloop transitions, 0 changer transitions 188/188 dead transitions. [2022-11-20 12:12:49,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 188 transitions, 415 flow [2022-11-20 12:12:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:12:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:12:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2022-11-20 12:12:49,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7928921568627451 [2022-11-20 12:12:49,129 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 647 transitions. [2022-11-20 12:12:49,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 647 transitions. [2022-11-20 12:12:49,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:12:49,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 647 transitions. [2022-11-20 12:12:49,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 0 states have call successors, (0), 0 states 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 12:12:49,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:49,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states 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 12:12:49,134 INFO L175 Difference]: Start difference. First operand has 197 places, 189 transitions, 403 flow. Second operand 3 states and 647 transitions. [2022-11-20 12:12:49,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 188 transitions, 415 flow [2022-11-20 12:12:49,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 188 transitions, 408 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:12:49,138 INFO L231 Difference]: Finished difference. Result has 194 places, 0 transitions, 0 flow [2022-11-20 12:12:49,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=194, PETRI_TRANSITIONS=0} [2022-11-20 12:12:49,139 INFO L288 CegarLoopForPetriNet]: 247 programPoint places, -53 predicate places. [2022-11-20 12:12:49,140 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 0 transitions, 0 flow [2022-11-20 12:12:49,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states 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 12:12:49,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (97 of 98 remaining) [2022-11-20 12:12:49,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (96 of 98 remaining) [2022-11-20 12:12:49,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (95 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (94 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (93 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (92 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (91 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (90 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (89 of 98 remaining) [2022-11-20 12:12:49,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (88 of 98 remaining) [2022-11-20 12:12:49,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (87 of 98 remaining) [2022-11-20 12:12:49,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (86 of 98 remaining) [2022-11-20 12:12:49,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (85 of 98 remaining) [2022-11-20 12:12:49,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (84 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (83 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (82 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (81 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (80 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (79 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (78 of 98 remaining) [2022-11-20 12:12:49,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (77 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (74 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (73 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (72 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (71 of 98 remaining) [2022-11-20 12:12:49,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (70 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (69 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (68 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (67 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (65 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (64 of 98 remaining) [2022-11-20 12:12:49,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (63 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (62 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (61 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (60 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (59 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (58 of 98 remaining) [2022-11-20 12:12:49,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (57 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (56 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 98 remaining) [2022-11-20 12:12:49,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 98 remaining) [2022-11-20 12:12:49,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 98 remaining) [2022-11-20 12:12:49,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 98 remaining) [2022-11-20 12:12:49,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (27 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (26 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (25 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (24 of 98 remaining) [2022-11-20 12:12:49,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (23 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (22 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (21 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 98 remaining) [2022-11-20 12:12:49,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 98 remaining) [2022-11-20 12:12:49,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 98 remaining) [2022-11-20 12:12:49,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (9 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (8 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (6 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (5 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (4 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 98 remaining) [2022-11-20 12:12:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (2 of 98 remaining) [2022-11-20 12:12:49,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (1 of 98 remaining) [2022-11-20 12:12:49,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 98 remaining) [2022-11-20 12:12:49,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:12:49,160 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:12:49,167 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:12:49,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:12:49,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:12:49 BasicIcfg [2022-11-20 12:12:49,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:12:49,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:12:49,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:12:49,175 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:12:49,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:12:42" (3/4) ... [2022-11-20 12:12:49,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:12:49,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:12:49,185 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:12:49,192 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 12:12:49,192 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:12:49,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:12:49,193 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:12:49,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:12:49,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:12:49,260 INFO L158 Benchmark]: Toolchain (without parser) took 9469.80ms. Allocated memory was 148.9MB in the beginning and 276.8MB in the end (delta: 127.9MB). Free memory was 116.0MB in the beginning and 148.3MB in the end (delta: -32.2MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,260 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:12:49,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.17ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 111.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.93ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 107.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,261 INFO L158 Benchmark]: Boogie Preprocessor took 53.55ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 104.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,261 INFO L158 Benchmark]: RCFGBuilder took 1700.95ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 54.5MB in the end (delta: 49.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,262 INFO L158 Benchmark]: TraceAbstraction took 7123.88ms. Allocated memory was 148.9MB in the beginning and 276.8MB in the end (delta: 127.9MB). Free memory was 53.5MB in the beginning and 152.5MB in the end (delta: -99.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,262 INFO L158 Benchmark]: Witness Printer took 84.11ms. Allocated memory is still 276.8MB. Free memory was 152.5MB in the beginning and 148.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:12:49,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.17ms. Allocated memory is still 148.9MB. Free memory was 116.0MB in the beginning and 111.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.93ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 107.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.55ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 104.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1700.95ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 54.5MB in the end (delta: 49.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7123.88ms. Allocated memory was 148.9MB in the beginning and 276.8MB in the end (delta: 127.9MB). Free memory was 53.5MB in the beginning and 152.5MB in the end (delta: -99.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 84.11ms. Allocated memory is still 276.8MB. Free memory was 152.5MB in the beginning and 148.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - 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: 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: 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: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 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: 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: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 87]: 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, 326 locations, 98 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: 6.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 358 IncrementalHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 116 mSDtfsCounter, 358 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=516occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 992 NumberOfCodeBlocks, 992 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 1275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:12:49,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf098455-78d8-4f36-b17c-f7cebbfd4edf/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE