./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa --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 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:36:57,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:36:57,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:36:57,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:36:57,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:36:57,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:36:57,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:36:57,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:36:57,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:36:57,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:36:57,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:36:57,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:36:57,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:36:57,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:36:57,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:36:57,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:36:57,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:36:57,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:36:57,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:36:57,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:36:57,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:36:57,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:36:57,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:36:57,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:36:57,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:36:57,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:36:57,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:36:57,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:36:57,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:36:57,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:36:57,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:36:57,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:36:57,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:36:57,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:36:57,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:36:57,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:36:57,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:36:57,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:36:57,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:36:57,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:36:57,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:36:57,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 17:36:57,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:36:57,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:36:57,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:36:57,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:36:57,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:36:57,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:36:57,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:36:57,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:36:57,383 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:36:57,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:36:57,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:36:57,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:36:57,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:36:57,384 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 17:36:57,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:36:57,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:36:57,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:36:57,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:36:57,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:36:57,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:36:57,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:36:57,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:36:57,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:36:57,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:36:57,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:36:57,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:36:57,388 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_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257fb96430b0f36c2bbaa69cb6381ae36a61b3597c5e89eeb3224bf08a96c8c2 [2021-12-06 17:36:57,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:36:57,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:36:57,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:36:57,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:36:57,599 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:36:57,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2021-12-06 17:36:57,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/data/713decb9f/d9e568e1b9244bfea48070ee1712972f/FLAG9895c6cc9 [2021-12-06 17:36:58,079 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:36:58,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/sv-benchmarks/c/goblint-regression/04-mutex_11-ptr_rc.i [2021-12-06 17:36:58,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/data/713decb9f/d9e568e1b9244bfea48070ee1712972f/FLAG9895c6cc9 [2021-12-06 17:36:58,101 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/data/713decb9f/d9e568e1b9244bfea48070ee1712972f [2021-12-06 17:36:58,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:36:58,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:36:58,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:36:58,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:36:58,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:36:58,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60936da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58, skipping insertion in model container [2021-12-06 17:36:58,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:36:58,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:36:58,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:36:58,417 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:36:58,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:36:58,491 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:36:58,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58 WrapperNode [2021-12-06 17:36:58,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:36:58,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:36:58,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:36:58,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:36:58,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,530 INFO L137 Inliner]: procedures = 262, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2021-12-06 17:36:58,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:36:58,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:36:58,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:36:58,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:36:58,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:36:58,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:36:58,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:36:58,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:36:58,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (1/1) ... [2021-12-06 17:36:58,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:36:58,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:36:58,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:36:58,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:36:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:36:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-06 17:36:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:36:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:36:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:36:58,629 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 17:36:58,714 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:36:58,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:36:58,873 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:36:58,882 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:36:58,882 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 17:36:58,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:58 BoogieIcfgContainer [2021-12-06 17:36:58,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:36:58,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:36:58,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:36:58,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:36:58,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:36:58" (1/3) ... [2021-12-06 17:36:58,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338aa439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:36:58, skipping insertion in model container [2021-12-06 17:36:58,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:36:58" (2/3) ... [2021-12-06 17:36:58,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338aa439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:36:58, skipping insertion in model container [2021-12-06 17:36:58,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:58" (3/3) ... [2021-12-06 17:36:58,893 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_11-ptr_rc.i [2021-12-06 17:36:58,898 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 17:36:58,898 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:36:58,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-12-06 17:36:58,899 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,926 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,927 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,928 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,929 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,930 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,931 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,932 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,933 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,934 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,935 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,936 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,937 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,938 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,939 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,940 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,941 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,942 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,943 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,948 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,949 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 17:36:58,953 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 17:36:58,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:36:59,004 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:36:59,004 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-06 17:36:59,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2021-12-06 17:36:59,059 INFO L129 PetriNetUnfolder]: 0/91 cut-off events. [2021-12-06 17:36:59,059 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 17:36:59,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-12-06 17:36:59,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 192 flow [2021-12-06 17:36:59,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 169 flow [2021-12-06 17:36:59,083 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2021-12-06 17:36:59,084 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 17:36:59,084 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:36:59,085 INFO L254 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] [2021-12-06 17:36:59,085 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-12-06 17:36:59,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:36:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash -285264551, now seen corresponding path program 1 times [2021-12-06 17:36:59,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:36:59,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262468557] [2021-12-06 17:36:59,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:36:59,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:36:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:36:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:36:59,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:36:59,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262468557] [2021-12-06 17:36:59,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262468557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:36:59,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:36:59,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:36:59,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684666686] [2021-12-06 17:36:59,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:36:59,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:36:59,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:36:59,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:36:59,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:36:59,425 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 92 [2021-12-06 17:36:59,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:36:59,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 92 [2021-12-06 17:36:59,430 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:36:59,733 INFO L129 PetriNetUnfolder]: 282/787 cut-off events. [2021-12-06 17:36:59,733 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 17:36:59,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 787 events. 282/787 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4065 event pairs, 171 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 1360. Up to 463 conditions per place. [2021-12-06 17:36:59,742 INFO L132 encePairwiseOnDemand]: 81/92 looper letters, 72 selfloop transitions, 22 changer transitions 0/141 dead transitions. [2021-12-06 17:36:59,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 141 transitions, 473 flow [2021-12-06 17:36:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:36:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:36:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 425 transitions. [2021-12-06 17:36:59,754 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.769927536231884 [2021-12-06 17:36:59,754 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 425 transitions. [2021-12-06 17:36:59,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 425 transitions. [2021-12-06 17:36:59,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:36:59,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 425 transitions. [2021-12-06 17:36:59,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 70.83333333333333) internal successors, (425), 6 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,768 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,770 INFO L186 Difference]: Start difference. First operand has 87 places, 83 transitions, 169 flow. Second operand 6 states and 425 transitions. [2021-12-06 17:36:59,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 141 transitions, 473 flow [2021-12-06 17:36:59,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 141 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 17:36:59,778 INFO L242 Difference]: Finished difference. Result has 96 places, 104 transitions, 318 flow [2021-12-06 17:36:59,780 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=318, PETRI_PLACES=96, PETRI_TRANSITIONS=104} [2021-12-06 17:36:59,783 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, 9 predicate places. [2021-12-06 17:36:59,783 INFO L470 AbstractCegarLoop]: Abstraction has has 96 places, 104 transitions, 318 flow [2021-12-06 17:36:59,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,783 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:36:59,784 INFO L254 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] [2021-12-06 17:36:59,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:36:59,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-12-06 17:36:59,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:36:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash -901473782, now seen corresponding path program 1 times [2021-12-06 17:36:59,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:36:59,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925353885] [2021-12-06 17:36:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:36:59,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:36:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:36:59,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:36:59,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:36:59,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925353885] [2021-12-06 17:36:59,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925353885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:36:59,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:36:59,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:36:59,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121527278] [2021-12-06 17:36:59,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:36:59,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:36:59,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:36:59,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:36:59,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:36:59,893 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 92 [2021-12-06 17:36:59,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 104 transitions, 318 flow. Second operand has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:36:59,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:36:59,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 92 [2021-12-06 17:36:59,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:37:00,167 INFO L129 PetriNetUnfolder]: 345/948 cut-off events. [2021-12-06 17:37:00,167 INFO L130 PetriNetUnfolder]: For 271/277 co-relation queries the response was YES. [2021-12-06 17:37:00,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2021 conditions, 948 events. 345/948 cut-off events. For 271/277 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5321 event pairs, 126 based on Foata normal form. 0/861 useless extension candidates. Maximal degree in co-relation 1981. Up to 538 conditions per place. [2021-12-06 17:37:00,175 INFO L132 encePairwiseOnDemand]: 81/92 looper letters, 103 selfloop transitions, 26 changer transitions 0/178 dead transitions. [2021-12-06 17:37:00,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 178 transitions, 814 flow [2021-12-06 17:37:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:37:00,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:37:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 451 transitions. [2021-12-06 17:37:00,178 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8170289855072463 [2021-12-06 17:37:00,179 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 451 transitions. [2021-12-06 17:37:00,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 451 transitions. [2021-12-06 17:37:00,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:37:00,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 451 transitions. [2021-12-06 17:37:00,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,185 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,185 INFO L186 Difference]: Start difference. First operand has 96 places, 104 transitions, 318 flow. Second operand 6 states and 451 transitions. [2021-12-06 17:37:00,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 178 transitions, 814 flow [2021-12-06 17:37:00,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 178 transitions, 814 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 17:37:00,195 INFO L242 Difference]: Finished difference. Result has 106 places, 125 transitions, 502 flow [2021-12-06 17:37:00,195 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=502, PETRI_PLACES=106, PETRI_TRANSITIONS=125} [2021-12-06 17:37:00,196 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, 19 predicate places. [2021-12-06 17:37:00,196 INFO L470 AbstractCegarLoop]: Abstraction has has 106 places, 125 transitions, 502 flow [2021-12-06 17:37:00,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,196 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:37:00,196 INFO L254 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] [2021-12-06 17:37:00,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:37:00,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-12-06 17:37:00,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1795893048, now seen corresponding path program 1 times [2021-12-06 17:37:00,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:37:00,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502216338] [2021-12-06 17:37:00,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:00,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:37:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:37:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:37:00,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:37:00,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502216338] [2021-12-06 17:37:00,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502216338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:37:00,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:37:00,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:37:00,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991692386] [2021-12-06 17:37:00,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:37:00,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:37:00,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:37:00,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:37:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:37:00,288 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 92 [2021-12-06 17:37:00,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 125 transitions, 502 flow. Second operand has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:37:00,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 92 [2021-12-06 17:37:00,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:37:00,628 INFO L129 PetriNetUnfolder]: 422/1126 cut-off events. [2021-12-06 17:37:00,628 INFO L130 PetriNetUnfolder]: For 761/767 co-relation queries the response was YES. [2021-12-06 17:37:00,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2910 conditions, 1126 events. 422/1126 cut-off events. For 761/767 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6620 event pairs, 169 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 2862. Up to 779 conditions per place. [2021-12-06 17:37:00,636 INFO L132 encePairwiseOnDemand]: 77/92 looper letters, 96 selfloop transitions, 53 changer transitions 0/193 dead transitions. [2021-12-06 17:37:00,636 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 193 transitions, 1096 flow [2021-12-06 17:37:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:37:00,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:37:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 409 transitions. [2021-12-06 17:37:00,638 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7409420289855072 [2021-12-06 17:37:00,638 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 409 transitions. [2021-12-06 17:37:00,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 409 transitions. [2021-12-06 17:37:00,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:37:00,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 409 transitions. [2021-12-06 17:37:00,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.16666666666667) internal successors, (409), 6 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,642 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,642 INFO L186 Difference]: Start difference. First operand has 106 places, 125 transitions, 502 flow. Second operand 6 states and 409 transitions. [2021-12-06 17:37:00,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 193 transitions, 1096 flow [2021-12-06 17:37:00,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 193 transitions, 1096 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 17:37:00,650 INFO L242 Difference]: Finished difference. Result has 116 places, 172 transitions, 984 flow [2021-12-06 17:37:00,651 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=984, PETRI_PLACES=116, PETRI_TRANSITIONS=172} [2021-12-06 17:37:00,651 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, 29 predicate places. [2021-12-06 17:37:00,651 INFO L470 AbstractCegarLoop]: Abstraction has has 116 places, 172 transitions, 984 flow [2021-12-06 17:37:00,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.833333333333336) internal successors, (329), 6 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,652 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:37:00,652 INFO L254 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] [2021-12-06 17:37:00,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:37:00,652 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-12-06 17:37:00,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:00,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1911630747, now seen corresponding path program 1 times [2021-12-06 17:37:00,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:37:00,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141582750] [2021-12-06 17:37:00,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:00,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:37:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:37:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:37:00,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:37:00,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141582750] [2021-12-06 17:37:00,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141582750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:37:00,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:37:00,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:37:00,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145405990] [2021-12-06 17:37:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:37:00,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:37:00,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:37:00,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:37:00,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:37:00,731 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 92 [2021-12-06 17:37:00,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 172 transitions, 984 flow. Second operand has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:00,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 17:37:00,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 92 [2021-12-06 17:37:00,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 17:37:01,089 INFO L129 PetriNetUnfolder]: 579/1433 cut-off events. [2021-12-06 17:37:01,089 INFO L130 PetriNetUnfolder]: For 1822/1831 co-relation queries the response was YES. [2021-12-06 17:37:01,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4462 conditions, 1433 events. 579/1433 cut-off events. For 1822/1831 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 8486 event pairs, 179 based on Foata normal form. 0/1363 useless extension candidates. Maximal degree in co-relation 4412. Up to 1010 conditions per place. [2021-12-06 17:37:01,100 INFO L132 encePairwiseOnDemand]: 73/92 looper letters, 132 selfloop transitions, 83 changer transitions 4/267 dead transitions. [2021-12-06 17:37:01,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 267 transitions, 1888 flow [2021-12-06 17:37:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:37:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 17:37:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 444 transitions. [2021-12-06 17:37:01,102 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2021-12-06 17:37:01,102 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 444 transitions. [2021-12-06 17:37:01,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 444 transitions. [2021-12-06 17:37:01,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:37:01,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 444 transitions. [2021-12-06 17:37:01,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.0) internal successors, (444), 6 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:01,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:01,105 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:01,105 INFO L186 Difference]: Start difference. First operand has 116 places, 172 transitions, 984 flow. Second operand 6 states and 444 transitions. [2021-12-06 17:37:01,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 267 transitions, 1888 flow [2021-12-06 17:37:01,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 267 transitions, 1824 flow, removed 32 selfloop flow, removed 0 redundant places. [2021-12-06 17:37:01,121 INFO L242 Difference]: Finished difference. Result has 126 places, 241 transitions, 1676 flow [2021-12-06 17:37:01,121 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=926, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1676, PETRI_PLACES=126, PETRI_TRANSITIONS=241} [2021-12-06 17:37:01,122 INFO L334 CegarLoopForPetriNet]: 87 programPoint places, 39 predicate places. [2021-12-06 17:37:01,122 INFO L470 AbstractCegarLoop]: Abstraction has has 126 places, 241 transitions, 1676 flow [2021-12-06 17:37:01,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:37:01,123 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 17:37:01,123 INFO L254 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] [2021-12-06 17:37:01,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:37:01,124 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-12-06 17:37:01,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:37:01,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1864217861, now seen corresponding path program 1 times [2021-12-06 17:37:01,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:37:01,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764405214] [2021-12-06 17:37:01,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:37:01,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:37:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:37:01,148 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:37:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:37:01,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:37:01,185 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 17:37:01,185 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-12-06 17:37:01,187 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-12-06 17:37:01,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:37:01,190 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 17:37:01,195 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 17:37:01,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 17:37:01,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:37:01 BasicIcfg [2021-12-06 17:37:01,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 17:37:01,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:37:01,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:37:01,231 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:37:01,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:36:58" (3/4) ... [2021-12-06 17:37:01,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:37:01,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:37:01,234 INFO L158 Benchmark]: Toolchain (without parser) took 3129.91ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 92.0MB in the beginning and 81.4MB in the end (delta: 10.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,235 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 110.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:37:01,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.42ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 89.0MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.92ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,236 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 85.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,236 INFO L158 Benchmark]: RCFGBuilder took 331.20ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 71.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,237 INFO L158 Benchmark]: TraceAbstraction took 2344.57ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 70.8MB in the beginning and 81.4MB in the end (delta: -10.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-12-06 17:37:01,237 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 165.7MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:37:01,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory was 110.2MB in the beginning and 110.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.42ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 89.0MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.92ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 86.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 85.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.20ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 71.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2344.57ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 70.8MB in the beginning and 81.4MB in the end (delta: -10.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 165.7MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal={1:0}] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal={1:0}] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L928] 0 pthread_t id; VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L931] EXPR 0 \read(myglobal) VAL [\read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(myglobal)=0, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}] [L921] 1 int *p = &myglobal; VAL [arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] EXPR 1 \read(*p) VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] EXPR 0 myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] [L931] 0 myglobal=myglobal+1 VAL [\read(*p)=0, \read(myglobal)=0, arg={0:0}, arg={0:0}, id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, myglobal=myglobal+1=25, p={1:0}] [L923] 1 *p + 1 VAL [\read(*p)=0, arg={0:0}, arg={0:0}, mutex1={2:0}, mutex2={3:0}, myglobal={1:0}, p={1:0}] Now there is a data race (on the heap) between C: myglobal=myglobal+1 [931] and C: *p + 1 [923] - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 929]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 966 IncrementalHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 119 mSDtfsCounter, 966 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1676occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 494 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 17:37:01,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825aec8a-1c27-4293-8571-bccbba35bb13/bin/uautomizer-DrprNOufMa/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE