./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX --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 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:34:27,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:34:27,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:34:27,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:34:27,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:34:27,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:34:27,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:34:27,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:34:27,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:34:27,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:34:27,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:34:28,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:34:28,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:34:28,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:34:28,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:34:28,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:34:28,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:34:28,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:34:28,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:34:28,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:34:28,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:34:28,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:34:28,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:34:28,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:34:28,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:34:28,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:34:28,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:34:28,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:34:28,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:34:28,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:34:28,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:34:28,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:34:28,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:34:28,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:34:28,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:34:28,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:34:28,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:34:28,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:34:28,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:34:28,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:34:28,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:34:28,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-09 08:34:28,063 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:34:28,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:34:28,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:34:28,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:34:28,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:34:28,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:34:28,066 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:34:28,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:34:28,067 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:34:28,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:34:28,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:34:28,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:34:28,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:34:28,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:34:28,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:34:28,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:34:28,068 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-09 08:34:28,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:34:28,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:34:28,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:34:28,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:34:28,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:34:28,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:34:28,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:34:28,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:34:28,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:34:28,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:34:28,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:34:28,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:34:28,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:34:28,072 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:34:28,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:34:28,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:34:28,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:34:28,072 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_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 305ca34367a0384e1cfb307304cf4f5bc67454529c9c0988e189092c0a2626a1 [2021-11-09 08:34:28,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:34:28,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:34:28,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:34:28,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:34:28,385 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:34:28,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-09 08:34:28,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/data/b0bf884cd/0cc2aacdc2e24f7f9cb257e7e500e07d/FLAGbfc929d9b [2021-11-09 08:34:29,116 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:34:29,119 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/sv-benchmarks/c/goblint-regression/04-mutex_45-escape_rc.i [2021-11-09 08:34:29,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/data/b0bf884cd/0cc2aacdc2e24f7f9cb257e7e500e07d/FLAGbfc929d9b [2021-11-09 08:34:29,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/data/b0bf884cd/0cc2aacdc2e24f7f9cb257e7e500e07d [2021-11-09 08:34:29,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:34:29,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:34:29,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:34:29,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:34:29,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:34:29,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:34:29" (1/1) ... [2021-11-09 08:34:29,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252bd707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:29, skipping insertion in model container [2021-11-09 08:34:29,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:34:29" (1/1) ... [2021-11-09 08:34:29,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:34:29,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:34:29,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:34:29,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:34:30,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:34:30,095 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:34:30,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30 WrapperNode [2021-11-09 08:34:30,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:34:30,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:34:30,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:34:30,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:34:30,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:34:30,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:34:30,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:34:30,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:34:30,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:34:30,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:34:30,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:34:30,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:34:30,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (1/1) ... [2021-11-09 08:34:30,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:34:30,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:34:30,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:34:30,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-09 08:34:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-09 08:34:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-09 08:34:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:34:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:34:30,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:34:30,287 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 08:34:30,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:34:30,602 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-09 08:34:30,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:34:30 BoogieIcfgContainer [2021-11-09 08:34:30,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:34:30,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:34:30,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:34:30,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:34:30,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:34:29" (1/3) ... [2021-11-09 08:34:30,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3067e8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:34:30, skipping insertion in model container [2021-11-09 08:34:30,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:34:30" (2/3) ... [2021-11-09 08:34:30,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3067e8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:34:30, skipping insertion in model container [2021-11-09 08:34:30,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:34:30" (3/3) ... [2021-11-09 08:34:30,635 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_45-escape_rc.i [2021-11-09 08:34:30,641 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 08:34:30,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:34:30,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-09 08:34:30,641 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 08:34:30,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,690 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,691 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,693 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,693 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,693 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,694 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,695 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,697 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,697 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,697 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,698 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,701 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,702 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,702 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,709 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,709 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,710 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,710 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,711 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,711 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,712 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,713 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,713 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,714 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,714 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,721 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,721 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,722 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:34:30,731 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-09 08:34:30,790 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:34:30,796 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 [2021-11-09 08:34:30,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-09 08:34:30,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 90 transitions, 188 flow [2021-11-09 08:34:30,879 INFO L129 PetriNetUnfolder]: 0/89 cut-off events. [2021-11-09 08:34:30,880 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-09 08:34:30,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 0/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-09 08:34:30,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 90 transitions, 188 flow [2021-11-09 08:34:30,887 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 80 transitions, 163 flow [2021-11-09 08:34:30,901 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-11-09 08:34:30,902 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:34:30,902 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:34:30,903 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] [2021-11-09 08:34:30,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-09 08:34:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:30,909 INFO L85 PathProgramCache]: Analyzing trace with hash 155358889, now seen corresponding path program 1 times [2021-11-09 08:34:30,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:30,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279978395] [2021-11-09 08:34:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:30,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:31,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:34:31,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279978395] [2021-11-09 08:34:31,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279978395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:31,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:31,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:34:31,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723013864] [2021-11-09 08:34:31,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:34:31,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:34:31,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:34:31,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:34:31,379 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 90 [2021-11-09 08:34:31,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 80 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:31,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:34:31,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 90 [2021-11-09 08:34:31,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:34:31,923 INFO L129 PetriNetUnfolder]: 329/929 cut-off events. [2021-11-09 08:34:31,923 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-09 08:34:31,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1632 conditions, 929 events. 329/929 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 5207 event pairs, 152 based on Foata normal form. 0/831 useless extension candidates. Maximal degree in co-relation 1603. Up to 489 conditions per place. [2021-11-09 08:34:31,936 INFO L132 encePairwiseOnDemand]: 79/90 looper letters, 90 selfloop transitions, 22 changer transitions 0/158 dead transitions. [2021-11-09 08:34:31,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 158 transitions, 543 flow [2021-11-09 08:34:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:34:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:34:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 449 transitions. [2021-11-09 08:34:31,952 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8314814814814815 [2021-11-09 08:34:31,953 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 449 transitions. [2021-11-09 08:34:31,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 449 transitions. [2021-11-09 08:34:31,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:34:31,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 449 transitions. [2021-11-09 08:34:31,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:31,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:31,969 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:31,971 INFO L186 Difference]: Start difference. First operand has 84 places, 80 transitions, 163 flow. Second operand 6 states and 449 transitions. [2021-11-09 08:34:31,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 158 transitions, 543 flow [2021-11-09 08:34:31,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 158 transitions, 542 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 08:34:31,981 INFO L242 Difference]: Finished difference. Result has 93 places, 101 transitions, 312 flow [2021-11-09 08:34:31,984 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=312, PETRI_PLACES=93, PETRI_TRANSITIONS=101} [2021-11-09 08:34:31,984 INFO L334 CegarLoopForPetriNet]: 84 programPoint places, 9 predicate places. [2021-11-09 08:34:31,985 INFO L470 AbstractCegarLoop]: Abstraction has has 93 places, 101 transitions, 312 flow [2021-11-09 08:34:31,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:31,985 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:34:31,985 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] [2021-11-09 08:34:31,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:34:31,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-09 08:34:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1925655429, now seen corresponding path program 1 times [2021-11-09 08:34:31,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:31,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183320537] [2021-11-09 08:34:31,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:31,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:32,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:34:32,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183320537] [2021-11-09 08:34:32,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183320537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:32,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:32,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:34:32,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569663367] [2021-11-09 08:34:32,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:34:32,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:34:32,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:34:32,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:34:32,140 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 90 [2021-11-09 08:34:32,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 101 transitions, 312 flow. Second operand has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:34:32,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 90 [2021-11-09 08:34:32,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:34:32,480 INFO L129 PetriNetUnfolder]: 310/902 cut-off events. [2021-11-09 08:34:32,480 INFO L130 PetriNetUnfolder]: For 378/386 co-relation queries the response was YES. [2021-11-09 08:34:32,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 902 events. 310/902 cut-off events. For 378/386 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5069 event pairs, 133 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1938. Up to 547 conditions per place. [2021-11-09 08:34:32,489 INFO L132 encePairwiseOnDemand]: 79/90 looper letters, 80 selfloop transitions, 26 changer transitions 0/151 dead transitions. [2021-11-09 08:34:32,489 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 151 transitions, 714 flow [2021-11-09 08:34:32,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:34:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:34:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 404 transitions. [2021-11-09 08:34:32,492 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7481481481481481 [2021-11-09 08:34:32,492 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 404 transitions. [2021-11-09 08:34:32,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 404 transitions. [2021-11-09 08:34:32,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:34:32,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 404 transitions. [2021-11-09 08:34:32,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,498 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,498 INFO L186 Difference]: Start difference. First operand has 93 places, 101 transitions, 312 flow. Second operand 6 states and 404 transitions. [2021-11-09 08:34:32,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 151 transitions, 714 flow [2021-11-09 08:34:32,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 151 transitions, 714 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 08:34:32,507 INFO L242 Difference]: Finished difference. Result has 103 places, 122 transitions, 496 flow [2021-11-09 08:34:32,507 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=496, PETRI_PLACES=103, PETRI_TRANSITIONS=122} [2021-11-09 08:34:32,508 INFO L334 CegarLoopForPetriNet]: 84 programPoint places, 19 predicate places. [2021-11-09 08:34:32,508 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 122 transitions, 496 flow [2021-11-09 08:34:32,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 54.5) internal successors, (327), 6 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,509 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:34:32,509 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] [2021-11-09 08:34:32,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:34:32,510 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)] === [2021-11-09 08:34:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:32,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1766804662, now seen corresponding path program 1 times [2021-11-09 08:34:32,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:32,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078323215] [2021-11-09 08:34:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:32,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:32,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:34:32,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078323215] [2021-11-09 08:34:32,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078323215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:32,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:32,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:34:32,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810876932] [2021-11-09 08:34:32,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:34:32,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:34:32,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:34:32,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:34:32,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 90 [2021-11-09 08:34:32,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 122 transitions, 496 flow. Second operand has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:32,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:34:32,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 90 [2021-11-09 08:34:32,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:34:33,206 INFO L129 PetriNetUnfolder]: 402/1144 cut-off events. [2021-11-09 08:34:33,206 INFO L130 PetriNetUnfolder]: For 738/751 co-relation queries the response was YES. [2021-11-09 08:34:33,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2861 conditions, 1144 events. 402/1144 cut-off events. For 738/751 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 7034 event pairs, 154 based on Foata normal form. 4/1066 useless extension candidates. Maximal degree in co-relation 2821. Up to 747 conditions per place. [2021-11-09 08:34:33,220 INFO L132 encePairwiseOnDemand]: 75/90 looper letters, 90 selfloop transitions, 53 changer transitions 0/186 dead transitions. [2021-11-09 08:34:33,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 186 transitions, 1062 flow [2021-11-09 08:34:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:34:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:34:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 397 transitions. [2021-11-09 08:34:33,223 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7351851851851852 [2021-11-09 08:34:33,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 397 transitions. [2021-11-09 08:34:33,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 397 transitions. [2021-11-09 08:34:33,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:34:33,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 397 transitions. [2021-11-09 08:34:33,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 66.16666666666667) internal successors, (397), 6 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:33,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:33,228 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:33,228 INFO L186 Difference]: Start difference. First operand has 103 places, 122 transitions, 496 flow. Second operand 6 states and 397 transitions. [2021-11-09 08:34:33,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 186 transitions, 1062 flow [2021-11-09 08:34:33,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 186 transitions, 1062 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 08:34:33,241 INFO L242 Difference]: Finished difference. Result has 113 places, 169 transitions, 970 flow [2021-11-09 08:34:33,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=970, PETRI_PLACES=113, PETRI_TRANSITIONS=169} [2021-11-09 08:34:33,242 INFO L334 CegarLoopForPetriNet]: 84 programPoint places, 29 predicate places. [2021-11-09 08:34:33,242 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 169 transitions, 970 flow [2021-11-09 08:34:33,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 53.666666666666664) internal successors, (322), 6 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:33,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:34:33,243 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] [2021-11-09 08:34:33,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:34:33,243 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)] === [2021-11-09 08:34:33,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1211370450, now seen corresponding path program 1 times [2021-11-09 08:34:33,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:33,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560573646] [2021-11-09 08:34:33,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:34:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:34:33,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:34:33,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560573646] [2021-11-09 08:34:33,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560573646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:34:33,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:34:33,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 08:34:33,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048110851] [2021-11-09 08:34:33,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:34:33,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:34:33,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:34:33,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:34:33,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 90 [2021-11-09 08:34:33,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 169 transitions, 970 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) [2021-11-09 08:34:33,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:34:33,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 90 [2021-11-09 08:34:33,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:34:34,129 INFO L129 PetriNetUnfolder]: 579/1515 cut-off events. [2021-11-09 08:34:34,129 INFO L130 PetriNetUnfolder]: For 1825/1835 co-relation queries the response was YES. [2021-11-09 08:34:34,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4538 conditions, 1515 events. 579/1515 cut-off events. For 1825/1835 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9420 event pairs, 179 based on Foata normal form. 0/1442 useless extension candidates. Maximal degree in co-relation 4495. Up to 1010 conditions per place. [2021-11-09 08:34:34,149 INFO L132 encePairwiseOnDemand]: 71/90 looper letters, 132 selfloop transitions, 83 changer transitions 4/264 dead transitions. [2021-11-09 08:34:34,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 264 transitions, 1882 flow [2021-11-09 08:34:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:34:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 08:34:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 438 transitions. [2021-11-09 08:34:34,152 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8111111111111111 [2021-11-09 08:34:34,152 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 438 transitions. [2021-11-09 08:34:34,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 438 transitions. [2021-11-09 08:34:34,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:34:34,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 438 transitions. [2021-11-09 08:34:34,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:34,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:34,157 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 90.0) internal successors, (630), 7 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:34:34,157 INFO L186 Difference]: Start difference. First operand has 113 places, 169 transitions, 970 flow. Second operand 6 states and 438 transitions. [2021-11-09 08:34:34,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 264 transitions, 1882 flow [2021-11-09 08:34:34,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 264 transitions, 1826 flow, removed 28 selfloop flow, removed 0 redundant places. [2021-11-09 08:34:34,182 INFO L242 Difference]: Finished difference. Result has 123 places, 238 transitions, 1678 flow [2021-11-09 08:34:34,182 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1678, PETRI_PLACES=123, PETRI_TRANSITIONS=238} [2021-11-09 08:34:34,183 INFO L334 CegarLoopForPetriNet]: 84 programPoint places, 39 predicate places. [2021-11-09 08:34:34,183 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 238 transitions, 1678 flow [2021-11-09 08:34:34,183 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) [2021-11-09 08:34:34,183 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:34:34,184 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] [2021-11-09 08:34:34,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:34:34,184 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)] === [2021-11-09 08:34:34,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:34:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash 834347380, now seen corresponding path program 1 times [2021-11-09 08:34:34,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:34:34,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643232822] [2021-11-09 08:34:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:34:34,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:34:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:34,220 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:34:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:34:34,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:34:34,282 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:34:34,283 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,285 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,286 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-09 08:34:34,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,287 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-09 08:34:34,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:34:34,291 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-09 08:34:34,297 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-09 08:34:34,297 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:34:34,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:34:34 BasicIcfg [2021-11-09 08:34:34,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:34:34,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:34:34,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:34:34,359 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:34:34,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:34:30" (3/4) ... [2021-11-09 08:34:34,362 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:34:34,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:34:34,364 INFO L168 Benchmark]: Toolchain (without parser) took 5023.68 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 58.3 MB in the beginning and 95.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,364 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:34:34,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.23 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 57.6 MB in the end (delta: 416.0 kB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.47 ms. Allocated memory is still 98.6 MB. Free memory was 57.4 MB in the beginning and 55.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,366 INFO L168 Benchmark]: Boogie Preprocessor took 29.98 ms. Allocated memory is still 98.6 MB. Free memory was 55.0 MB in the beginning and 53.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,367 INFO L168 Benchmark]: RCFGBuilder took 413.92 ms. Allocated memory is still 98.6 MB. Free memory was 53.3 MB in the beginning and 39.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,370 INFO L168 Benchmark]: TraceAbstraction took 3730.10 ms. Allocated memory was 136.3 MB in the beginning and 182.5 MB in the end (delta: 46.1 MB). Free memory was 112.3 MB in the beginning and 95.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:34:34,370 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 182.5 MB. Free memory is still 95.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:34:34,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 755.23 ms. Allocated memory is still 98.6 MB. Free memory was 58.1 MB in the beginning and 57.6 MB in the end (delta: 416.0 kB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.47 ms. Allocated memory is still 98.6 MB. Free memory was 57.4 MB in the beginning and 55.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.98 ms. Allocated memory is still 98.6 MB. Free memory was 55.0 MB in the beginning and 53.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 413.92 ms. Allocated memory is still 98.6 MB. Free memory was 53.3 MB in the beginning and 39.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3730.10 ms. Allocated memory was 136.3 MB in the beginning and 182.5 MB in the end (delta: 46.1 MB). Free memory was 112.3 MB in the beginning and 95.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.41 ms. Allocated memory is still 182.5 MB. Free memory is still 95.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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: 922]: Data race detected Data race detected The following path leads to a data race: [L917] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={6:0}] [L918] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={6:0}, mutex2={7:0}] [L927] 0 pthread_t id; VAL [mutex1={6:0}, mutex2={7:0}] [L928] 0 int i; VAL [mutex1={6:0}, mutex2={7:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [arg={5:0}, mutex1={6:0}, mutex2={7:0}] [L931] EXPR 0 \read(i) VAL [arg={5:0}, mutex1={6:0}, mutex2={7:0}] [L931] 0 i++ VAL [arg={5:0}, mutex1={6:0}, mutex2={7:0}] [L920] 1 int *p = (int *) arg; VAL [arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] EXPR 1 \read(*p) VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L931] 0 i++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L931] 0 i++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L931] 0 i++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L931] 0 i++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] [L922] 1 (*p)++ VAL [\read(*p)=-3, arg={5:0}, arg={5:0}, mutex1={6:0}, mutex2={7:0}, p={5:0}] Now there is a data race (on the heap) between C: i++ [931] and C: (*p)++ [922] - 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: 922]: 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: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 91 SDslu, 0 SDs, 0 SdLazy, 819 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, 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=1678occurred 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, 0.6s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 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 [2021-11-09 08:34:34,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a5abbcc-5a09-4369-81b3-e2f75b26a03a/bin/uautomizer-IVEQpCNsaX/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