./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8 --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 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:23:02,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:23:02,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:23:02,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:23:02,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:23:02,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:23:02,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:23:02,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:23:02,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:23:02,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:23:02,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:23:02,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:23:02,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:23:02,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:23:02,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:23:02,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:23:02,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:23:02,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:23:02,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:23:02,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:23:02,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:23:02,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:23:02,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:23:02,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:23:02,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:23:02,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:23:02,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:23:02,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:23:02,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:23:02,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:23:02,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:23:02,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:23:02,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:23:02,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:23:02,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:23:02,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:23:02,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:23:02,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:23:02,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:23:02,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:23:02,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:23:02,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 16:23:02,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:23:02,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:23:02,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:23:02,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:23:02,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:23:02,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:23:02,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:23:02,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:23:02,869 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:23:02,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:23:02,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:23:02,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:23:02,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:23:02,871 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 16:23:02,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:23:02,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:23:02,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:23:02,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:23:02,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:23:02,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:23:02,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:23:02,873 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:23:02,874 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2022-12-13 16:23:03,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:23:03,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:23:03,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:23:03,058 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:23:03,058 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:23:03,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-12-13 16:23:05,652 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:23:05,820 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:23:05,820 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2022-12-13 16:23:05,829 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/data/41d845bd0/214cf9e496ff45989d55dba728204b56/FLAG4fdc1e4cd [2022-12-13 16:23:05,840 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/data/41d845bd0/214cf9e496ff45989d55dba728204b56 [2022-12-13 16:23:05,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:23:05,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:23:05,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:23:05,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:23:05,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:23:05,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:23:05" (1/1) ... [2022-12-13 16:23:05,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653c9e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:05, skipping insertion in model container [2022-12-13 16:23:05,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:23:05" (1/1) ... [2022-12-13 16:23:05,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:23:05,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:23:06,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:23:06,167 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:23:06,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:23:06,224 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:23:06,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06 WrapperNode [2022-12-13 16:23:06,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:23:06,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:23:06,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:23:06,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:23:06,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,253 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-12-13 16:23:06,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:23:06,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:23:06,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:23:06,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:23:06,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:23:06,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:23:06,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:23:06,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:23:06,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (1/1) ... [2022-12-13 16:23:06,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:23:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:23:06,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:23:06,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:23:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:23:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:23:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:23:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 16:23:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:23:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 16:23:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 16:23:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:23:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:23:06,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:23:06,333 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 16:23:06,425 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:23:06,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:23:06,559 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:23:06,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:23:06,564 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:23:06,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:23:06 BoogieIcfgContainer [2022-12-13 16:23:06,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:23:06,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:23:06,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:23:06,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:23:06,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:23:05" (1/3) ... [2022-12-13 16:23:06,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac509d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:23:06, skipping insertion in model container [2022-12-13 16:23:06,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:23:06" (2/3) ... [2022-12-13 16:23:06,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac509d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:23:06, skipping insertion in model container [2022-12-13 16:23:06,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:23:06" (3/3) ... [2022-12-13 16:23:06,574 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2022-12-13 16:23:06,581 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:23:06,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:23:06,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 16:23:06,589 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:23:06,631 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 16:23:06,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 173 flow [2022-12-13 16:23:06,698 INFO L130 PetriNetUnfolder]: 4/83 cut-off events. [2022-12-13 16:23:06,698 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:23:06,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 4/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-12-13 16:23:06,701 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 84 transitions, 173 flow [2022-12-13 16:23:06,704 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 83 transitions, 169 flow [2022-12-13 16:23:06,707 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:23:06,715 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 83 transitions, 169 flow [2022-12-13 16:23:06,717 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 83 transitions, 169 flow [2022-12-13 16:23:06,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 83 transitions, 169 flow [2022-12-13 16:23:06,738 INFO L130 PetriNetUnfolder]: 4/83 cut-off events. [2022-12-13 16:23:06,738 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:23:06,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 4/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2022-12-13 16:23:06,739 INFO L119 LiptonReduction]: Number of co-enabled transitions 1428 [2022-12-13 16:23:08,117 INFO L134 LiptonReduction]: Checked pairs total: 4260 [2022-12-13 16:23:08,117 INFO L136 LiptonReduction]: Total number of compositions: 73 [2022-12-13 16:23:08,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:23:08,134 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e98aa55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:23:08,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 16:23:08,138 INFO L130 PetriNetUnfolder]: 1/9 cut-off events. [2022-12-13 16:23:08,138 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:23:08,138 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:08,139 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 16:23:08,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:08,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:08,145 INFO L85 PathProgramCache]: Analyzing trace with hash 287877037, now seen corresponding path program 1 times [2022-12-13 16:23:08,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:08,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797577514] [2022-12-13 16:23:08,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:08,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:08,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:08,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797577514] [2022-12-13 16:23:08,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797577514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:08,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:08,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:23:08,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266156687] [2022-12-13 16:23:08,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:08,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:23:08,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:08,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:23:08,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:23:08,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2022-12-13 16:23:08,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,362 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:08,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2022-12-13 16:23:08,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:08,433 INFO L130 PetriNetUnfolder]: 70/177 cut-off events. [2022-12-13 16:23:08,433 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:23:08,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 177 events. 70/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 672 event pairs, 23 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 321. Up to 87 conditions per place. [2022-12-13 16:23:08,436 INFO L137 encePairwiseOnDemand]: 149/157 looper letters, 28 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2022-12-13 16:23:08,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 39 transitions, 149 flow [2022-12-13 16:23:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:23:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:23:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2022-12-13 16:23:08,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.554140127388535 [2022-12-13 16:23:08,449 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2022-12-13 16:23:08,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2022-12-13 16:23:08,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:08,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2022-12-13 16:23:08,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,462 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 3 states and 261 transitions. [2022-12-13 16:23:08,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 39 transitions, 149 flow [2022-12-13 16:23:08,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 39 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:23:08,467 INFO L231 Difference]: Finished difference. Result has 29 places, 30 transitions, 102 flow [2022-12-13 16:23:08,469 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=29, PETRI_TRANSITIONS=30} [2022-12-13 16:23:08,471 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2022-12-13 16:23:08,472 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 30 transitions, 102 flow [2022-12-13 16:23:08,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,472 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:08,472 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:08,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:23:08,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:08,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:08,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2020208500, now seen corresponding path program 1 times [2022-12-13 16:23:08,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:08,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908484506] [2022-12-13 16:23:08,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:08,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:08,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:08,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908484506] [2022-12-13 16:23:08,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908484506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:08,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:08,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:23:08,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401076300] [2022-12-13 16:23:08,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:08,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:23:08,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:08,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:23:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:23:08,530 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2022-12-13 16:23:08,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 30 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:08,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2022-12-13 16:23:08,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:08,580 INFO L130 PetriNetUnfolder]: 66/180 cut-off events. [2022-12-13 16:23:08,580 INFO L131 PetriNetUnfolder]: For 62/65 co-relation queries the response was YES. [2022-12-13 16:23:08,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 180 events. 66/180 cut-off events. For 62/65 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 694 event pairs, 19 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 400. Up to 98 conditions per place. [2022-12-13 16:23:08,583 INFO L137 encePairwiseOnDemand]: 151/157 looper letters, 18 selfloop transitions, 7 changer transitions 6/41 dead transitions. [2022-12-13 16:23:08,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 41 transitions, 196 flow [2022-12-13 16:23:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:23:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:23:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2022-12-13 16:23:08,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.535031847133758 [2022-12-13 16:23:08,585 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2022-12-13 16:23:08,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2022-12-13 16:23:08,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:08,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2022-12-13 16:23:08,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,589 INFO L175 Difference]: Start difference. First operand has 29 places, 30 transitions, 102 flow. Second operand 3 states and 252 transitions. [2022-12-13 16:23:08,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 41 transitions, 196 flow [2022-12-13 16:23:08,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 41 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 16:23:08,591 INFO L231 Difference]: Finished difference. Result has 31 places, 33 transitions, 142 flow [2022-12-13 16:23:08,591 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2022-12-13 16:23:08,592 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 5 predicate places. [2022-12-13 16:23:08,592 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 142 flow [2022-12-13 16:23:08,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,592 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:08,592 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:08,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:23:08,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:08,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1235954657, now seen corresponding path program 1 times [2022-12-13 16:23:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:08,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491945907] [2022-12-13 16:23:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:08,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:08,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491945907] [2022-12-13 16:23:08,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491945907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:08,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:08,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:23:08,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89291052] [2022-12-13 16:23:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:08,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:23:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:08,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:23:08,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:23:08,655 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 157 [2022-12-13 16:23:08,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:08,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 157 [2022-12-13 16:23:08,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:08,696 INFO L130 PetriNetUnfolder]: 57/167 cut-off events. [2022-12-13 16:23:08,696 INFO L131 PetriNetUnfolder]: For 136/141 co-relation queries the response was YES. [2022-12-13 16:23:08,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 167 events. 57/167 cut-off events. For 136/141 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 685 event pairs, 22 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 458. Up to 114 conditions per place. [2022-12-13 16:23:08,697 INFO L137 encePairwiseOnDemand]: 152/157 looper letters, 16 selfloop transitions, 7 changer transitions 8/41 dead transitions. [2022-12-13 16:23:08,697 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 41 transitions, 244 flow [2022-12-13 16:23:08,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:23:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:23:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2022-12-13 16:23:08,699 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5159235668789809 [2022-12-13 16:23:08,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2022-12-13 16:23:08,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2022-12-13 16:23:08,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:08,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2022-12-13 16:23:08,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,706 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,706 INFO L175 Difference]: Start difference. First operand has 31 places, 33 transitions, 142 flow. Second operand 3 states and 243 transitions. [2022-12-13 16:23:08,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 41 transitions, 244 flow [2022-12-13 16:23:08,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 41 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 16:23:08,709 INFO L231 Difference]: Finished difference. Result has 32 places, 32 transitions, 151 flow [2022-12-13 16:23:08,709 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=32, PETRI_TRANSITIONS=32} [2022-12-13 16:23:08,710 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 6 predicate places. [2022-12-13 16:23:08,710 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 151 flow [2022-12-13 16:23:08,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,710 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:08,710 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:08,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:23:08,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:08,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2124630798, now seen corresponding path program 1 times [2022-12-13 16:23:08,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:08,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630047917] [2022-12-13 16:23:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:08,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:08,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:08,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630047917] [2022-12-13 16:23:08,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630047917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:08,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:08,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:23:08,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828142129] [2022-12-13 16:23:08,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:08,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:23:08,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:08,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:23:08,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:23:08,910 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2022-12-13 16:23:08,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:08,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2022-12-13 16:23:08,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:08,964 INFO L130 PetriNetUnfolder]: 34/150 cut-off events. [2022-12-13 16:23:08,964 INFO L131 PetriNetUnfolder]: For 181/189 co-relation queries the response was YES. [2022-12-13 16:23:08,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 150 events. 34/150 cut-off events. For 181/189 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 726 event pairs, 6 based on Foata normal form. 9/152 useless extension candidates. Maximal degree in co-relation 414. Up to 54 conditions per place. [2022-12-13 16:23:08,965 INFO L137 encePairwiseOnDemand]: 152/157 looper letters, 17 selfloop transitions, 3 changer transitions 11/45 dead transitions. [2022-12-13 16:23:08,965 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 274 flow [2022-12-13 16:23:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 16:23:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 16:23:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 402 transitions. [2022-12-13 16:23:08,968 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5121019108280255 [2022-12-13 16:23:08,968 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 402 transitions. [2022-12-13 16:23:08,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 402 transitions. [2022-12-13 16:23:08,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:08,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 402 transitions. [2022-12-13 16:23:08,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,971 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,971 INFO L175 Difference]: Start difference. First operand has 32 places, 32 transitions, 151 flow. Second operand 5 states and 402 transitions. [2022-12-13 16:23:08,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 274 flow [2022-12-13 16:23:08,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:23:08,973 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 163 flow [2022-12-13 16:23:08,973 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=163, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2022-12-13 16:23:08,973 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 12 predicate places. [2022-12-13 16:23:08,973 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 163 flow [2022-12-13 16:23:08,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:08,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:08,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:08,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:23:08,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:08,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:08,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1252934178, now seen corresponding path program 2 times [2022-12-13 16:23:08,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:08,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493040907] [2022-12-13 16:23:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:08,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:09,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:09,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493040907] [2022-12-13 16:23:09,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493040907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:09,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:09,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:23:09,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471484427] [2022-12-13 16:23:09,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:09,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:23:09,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:09,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:23:09,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:23:09,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2022-12-13 16:23:09,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 163 flow. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:09,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2022-12-13 16:23:09,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:09,117 INFO L130 PetriNetUnfolder]: 21/122 cut-off events. [2022-12-13 16:23:09,117 INFO L131 PetriNetUnfolder]: For 168/176 co-relation queries the response was YES. [2022-12-13 16:23:09,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 122 events. 21/122 cut-off events. For 168/176 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 570 event pairs, 7 based on Foata normal form. 9/125 useless extension candidates. Maximal degree in co-relation 362. Up to 60 conditions per place. [2022-12-13 16:23:09,118 INFO L137 encePairwiseOnDemand]: 153/157 looper letters, 14 selfloop transitions, 2 changer transitions 7/37 dead transitions. [2022-12-13 16:23:09,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 37 transitions, 231 flow [2022-12-13 16:23:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:23:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 16:23:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 320 transitions. [2022-12-13 16:23:09,119 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5095541401273885 [2022-12-13 16:23:09,119 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 320 transitions. [2022-12-13 16:23:09,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 320 transitions. [2022-12-13 16:23:09,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:09,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 320 transitions. [2022-12-13 16:23:09,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,121 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,122 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 163 flow. Second operand 4 states and 320 transitions. [2022-12-13 16:23:09,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 37 transitions, 231 flow [2022-12-13 16:23:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 222 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-13 16:23:09,124 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 147 flow [2022-12-13 16:23:09,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=147, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2022-12-13 16:23:09,125 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, 12 predicate places. [2022-12-13 16:23:09,125 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 147 flow [2022-12-13 16:23:09,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:23:09,125 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:23:09,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:23:09,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 16:23:09,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:23:09,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1956025345, now seen corresponding path program 1 times [2022-12-13 16:23:09,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:23:09,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577503551] [2022-12-13 16:23:09,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:23:09,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:23:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:23:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:23:09,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:23:09,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577503551] [2022-12-13 16:23:09,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577503551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:23:09,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:23:09,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 16:23:09,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262084105] [2022-12-13 16:23:09,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:23:09,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 16:23:09,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:23:09,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 16:23:09,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 16:23:09,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 157 [2022-12-13 16:23:09,223 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,223 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:23:09,223 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 157 [2022-12-13 16:23:09,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:23:09,235 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-13 16:23:09,235 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-13 16:23:09,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 10 events. 0/10 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 2 event pairs, 0 based on Foata normal form. 3/13 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-13 16:23:09,235 INFO L137 encePairwiseOnDemand]: 154/157 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2022-12-13 16:23:09,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 10 transitions, 63 flow [2022-12-13 16:23:09,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 16:23:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 16:23:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 308 transitions. [2022-12-13 16:23:09,237 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49044585987261147 [2022-12-13 16:23:09,237 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 308 transitions. [2022-12-13 16:23:09,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 308 transitions. [2022-12-13 16:23:09,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:23:09,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 308 transitions. [2022-12-13 16:23:09,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,240 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,240 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 147 flow. Second operand 4 states and 308 transitions. [2022-12-13 16:23:09,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 10 transitions, 63 flow [2022-12-13 16:23:09,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 10 transitions, 41 flow, removed 4 selfloop flow, removed 9 redundant places. [2022-12-13 16:23:09,241 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2022-12-13 16:23:09,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2022-12-13 16:23:09,242 INFO L288 CegarLoopForPetriNet]: 26 programPoint places, -7 predicate places. [2022-12-13 16:23:09,242 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2022-12-13 16:23:09,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:23:09,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-13 16:23:09,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-13 16:23:09,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-13 16:23:09,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-13 16:23:09,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-13 16:23:09,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-13 16:23:09,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-13 16:23:09,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:23:09,246 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-12-13 16:23:09,251 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:23:09,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:23:09,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:23:09 BasicIcfg [2022-12-13 16:23:09,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:23:09,255 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:23:09,255 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:23:09,256 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:23:09,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:23:06" (3/4) ... [2022-12-13 16:23:09,259 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:23:09,265 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 16:23:09,269 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 16:23:09,269 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 16:23:09,269 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 16:23:09,294 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:23:09,294 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:23:09,295 INFO L158 Benchmark]: Toolchain (without parser) took 3452.32ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 84.5MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,295 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:23:09,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.98ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 73.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.87ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,296 INFO L158 Benchmark]: Boogie Preprocessor took 15.90ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,297 INFO L158 Benchmark]: RCFGBuilder took 295.39ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 113.2MB in the end (delta: -43.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,297 INFO L158 Benchmark]: TraceAbstraction took 2685.69ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 86.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,297 INFO L158 Benchmark]: Witness Printer took 38.99ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:23:09,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.98ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 73.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.87ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.90ms. Allocated memory is still 142.6MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.39ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 113.2MB in the end (delta: -43.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2685.69ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 86.6MB in the end (delta: 25.6MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 38.99ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4s, 83 PlacesBefore, 26 PlacesAfterwards, 83 TransitionsBefore, 24 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 2 ChoiceCompositions, 73 TotalNumberOfCompositions, 4260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1800, independent: 1573, independent conditional: 0, independent unconditional: 1573, dependent: 227, dependent conditional: 0, dependent unconditional: 227, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 847, independent: 811, independent conditional: 0, independent unconditional: 811, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1800, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 847, unknown conditional: 0, unknown unconditional: 847] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 327 IncrementalHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 22 mSDtfsCounter, 327 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 16:23:09,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01883df2-e267-4d44-ab43-37d23b8b4228/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE