./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro --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 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- 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-8393723 [2022-11-18 18:27:31,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:27:31,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:27:32,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:27:32,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:27:32,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:27:32,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:27:32,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:27:32,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:27:32,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:27:32,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:27:32,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:27:32,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:27:32,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:27:32,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:27:32,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:27:32,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:27:32,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:27:32,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:27:32,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:27:32,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:27:32,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:27:32,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:27:32,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:27:32,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:27:32,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:27:32,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:27:32,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:27:32,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:27:32,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:27:32,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:27:32,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:27:32,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:27:32,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:27:32,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:27:32,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:27:32,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:27:32,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:27:32,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:27:32,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:27:32,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:27:32,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:27:32,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:27:32,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:27:32,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:27:32,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:27:32,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:27:32,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:27:32,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:27:32,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:27:32,129 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:27:32,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:27:32,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:27:32,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:27:32,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:27:32,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:27:32,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:27:32,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:27:32,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:27:32,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:27:32,132 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:27:32,132 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:27:32,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:27:32,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:27:32,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:27:32,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:27:32,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:27:32,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:27:32,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:32,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:27:32,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:27:32,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:27:32,140 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_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2022-11-18 18:27:32,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:27:32,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:27:32,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:27:32,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:27:32,449 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:27:32,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2022-11-18 18:27:32,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/data/cb178001a/7ddf80b302724eea975001f3edeaf641/FLAG74a08428a [2022-11-18 18:27:33,212 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:27:33,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2022-11-18 18:27:33,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/data/cb178001a/7ddf80b302724eea975001f3edeaf641/FLAG74a08428a [2022-11-18 18:27:33,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/data/cb178001a/7ddf80b302724eea975001f3edeaf641 [2022-11-18 18:27:33,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:27:33,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:27:33,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:33,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:27:33,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:27:33,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:33" (1/1) ... [2022-11-18 18:27:33,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3b9481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:33, skipping insertion in model container [2022-11-18 18:27:33,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:33" (1/1) ... [2022-11-18 18:27:33,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:27:33,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:27:33,769 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-11-18 18:27:33,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:33,965 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:27:33,981 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i[1084,1097] [2022-11-18 18:27:34,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:34,082 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:27:34,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34 WrapperNode [2022-11-18 18:27:34,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:34,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:34,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:27:34,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:27:34,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,131 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2022-11-18 18:27:34,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:34,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:27:34,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:27:34,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:27:34,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:27:34,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:27:34,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:27:34,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:27:34,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (1/1) ... [2022-11-18 18:27:34,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:27:34,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:27:34,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:27:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:27:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:27:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 18:27:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:27:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:27:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 18:27:34,268 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 18:27:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:27:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:27:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:27:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:27:34,271 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:27:34,509 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:27:34,511 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:27:34,841 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:27:34,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:27:34,850 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:27:34,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:34 BoogieIcfgContainer [2022-11-18 18:27:34,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:27:34,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:27:34,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:27:34,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:27:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:27:33" (1/3) ... [2022-11-18 18:27:34,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5603177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:34, skipping insertion in model container [2022-11-18 18:27:34,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:34" (2/3) ... [2022-11-18 18:27:34,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5603177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:34, skipping insertion in model container [2022-11-18 18:27:34,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:34" (3/3) ... [2022-11-18 18:27:34,865 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2022-11-18 18:27:34,875 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:27:34,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:27:34,887 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-11-18 18:27:34,887 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:27:35,018 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 18:27:35,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 298 flow [2022-11-18 18:27:35,224 INFO L130 PetriNetUnfolder]: 4/144 cut-off events. [2022-11-18 18:27:35,225 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:27:35,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 4/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 129 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-11-18 18:27:35,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 145 transitions, 298 flow [2022-11-18 18:27:35,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 136 transitions, 275 flow [2022-11-18 18:27:35,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:27:35,273 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;@23663a6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:27:35,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-18 18:27:35,288 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-18 18:27:35,289 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:27:35,290 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:35,291 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:35,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:35,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:35,300 INFO L85 PathProgramCache]: Analyzing trace with hash 422680525, now seen corresponding path program 1 times [2022-11-18 18:27:35,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:35,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652351156] [2022-11-18 18:27:35,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:35,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:35,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:35,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652351156] [2022-11-18 18:27:35,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652351156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:35,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:35,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:35,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54457200] [2022-11-18 18:27:35,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:35,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:35,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:35,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:35,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:35,626 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 145 [2022-11-18 18:27:35,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:35,634 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:35,635 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 145 [2022-11-18 18:27:35,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:36,101 INFO L130 PetriNetUnfolder]: 195/1055 cut-off events. [2022-11-18 18:27:36,101 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:27:36,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 1055 events. 195/1055 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6815 event pairs, 76 based on Foata normal form. 54/936 useless extension candidates. Maximal degree in co-relation 1453. Up to 224 conditions per place. [2022-11-18 18:27:36,119 INFO L137 encePairwiseOnDemand]: 120/145 looper letters, 37 selfloop transitions, 15 changer transitions 1/149 dead transitions. [2022-11-18 18:27:36,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 149 transitions, 405 flow [2022-11-18 18:27:36,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2022-11-18 18:27:36,145 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2022-11-18 18:27:36,147 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 380 transitions. [2022-11-18 18:27:36,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 380 transitions. [2022-11-18 18:27:36,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:36,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 380 transitions. [2022-11-18 18:27:36,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,176 INFO L175 Difference]: Start difference. First operand has 136 places, 136 transitions, 275 flow. Second operand 3 states and 380 transitions. [2022-11-18 18:27:36,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 149 transitions, 405 flow [2022-11-18 18:27:36,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 149 transitions, 404 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:27:36,192 INFO L231 Difference]: Finished difference. Result has 134 places, 140 transitions, 380 flow [2022-11-18 18:27:36,195 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=134, PETRI_TRANSITIONS=140} [2022-11-18 18:27:36,200 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -2 predicate places. [2022-11-18 18:27:36,200 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 140 transitions, 380 flow [2022-11-18 18:27:36,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:36,203 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:36,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:27:36,204 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1423769363, now seen corresponding path program 1 times [2022-11-18 18:27:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:36,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524906701] [2022-11-18 18:27:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:36,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:36,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:36,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524906701] [2022-11-18 18:27:36,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524906701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:36,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:36,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:36,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966783072] [2022-11-18 18:27:36,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:36,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:36,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:36,343 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-11-18 18:27:36,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 140 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:36,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-11-18 18:27:36,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:36,632 INFO L130 PetriNetUnfolder]: 235/1182 cut-off events. [2022-11-18 18:27:36,633 INFO L131 PetriNetUnfolder]: For 410/441 co-relation queries the response was YES. [2022-11-18 18:27:36,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2167 conditions, 1182 events. 235/1182 cut-off events. For 410/441 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 7862 event pairs, 111 based on Foata normal form. 2/1033 useless extension candidates. Maximal degree in co-relation 2113. Up to 471 conditions per place. [2022-11-18 18:27:36,641 INFO L137 encePairwiseOnDemand]: 137/145 looper letters, 55 selfloop transitions, 10 changer transitions 0/158 dead transitions. [2022-11-18 18:27:36,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 158 transitions, 582 flow [2022-11-18 18:27:36,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2022-11-18 18:27:36,649 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8137931034482758 [2022-11-18 18:27:36,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 354 transitions. [2022-11-18 18:27:36,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 354 transitions. [2022-11-18 18:27:36,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:36,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 354 transitions. [2022-11-18 18:27:36,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,657 INFO L175 Difference]: Start difference. First operand has 134 places, 140 transitions, 380 flow. Second operand 3 states and 354 transitions. [2022-11-18 18:27:36,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 158 transitions, 582 flow [2022-11-18 18:27:36,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 158 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:36,671 INFO L231 Difference]: Finished difference. Result has 135 places, 148 transitions, 436 flow [2022-11-18 18:27:36,671 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=436, PETRI_PLACES=135, PETRI_TRANSITIONS=148} [2022-11-18 18:27:36,672 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -1 predicate places. [2022-11-18 18:27:36,673 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 148 transitions, 436 flow [2022-11-18 18:27:36,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,673 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:36,674 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:36,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:27:36,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash -502937414, now seen corresponding path program 1 times [2022-11-18 18:27:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:36,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239164717] [2022-11-18 18:27:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:36,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:36,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:36,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239164717] [2022-11-18 18:27:36,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239164717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:36,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:36,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:27:36,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614845587] [2022-11-18 18:27:36,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:36,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:36,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:36,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:36,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:36,931 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 145 [2022-11-18 18:27:36,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 148 transitions, 436 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:36,932 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 145 [2022-11-18 18:27:36,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:36,983 INFO L130 PetriNetUnfolder]: 1/187 cut-off events. [2022-11-18 18:27:36,983 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-18 18:27:36,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 187 events. 1/187 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 194 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 198. Up to 21 conditions per place. [2022-11-18 18:27:36,985 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 7 selfloop transitions, 4 changer transitions 1/122 dead transitions. [2022-11-18 18:27:36,985 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 122 transitions, 320 flow [2022-11-18 18:27:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2022-11-18 18:27:36,988 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8919540229885058 [2022-11-18 18:27:36,988 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 388 transitions. [2022-11-18 18:27:36,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 388 transitions. [2022-11-18 18:27:36,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:36,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 388 transitions. [2022-11-18 18:27:36,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,992 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:36,992 INFO L175 Difference]: Start difference. First operand has 135 places, 148 transitions, 436 flow. Second operand 3 states and 388 transitions. [2022-11-18 18:27:36,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 122 transitions, 320 flow [2022-11-18 18:27:36,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 122 transitions, 290 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-11-18 18:27:37,001 INFO L231 Difference]: Finished difference. Result has 127 places, 121 transitions, 274 flow [2022-11-18 18:27:37,001 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=127, PETRI_TRANSITIONS=121} [2022-11-18 18:27:37,004 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -9 predicate places. [2022-11-18 18:27:37,004 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 121 transitions, 274 flow [2022-11-18 18:27:37,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:37,006 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:37,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:27:37,006 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:37,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:37,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1867257995, now seen corresponding path program 1 times [2022-11-18 18:27:37,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:37,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483750279] [2022-11-18 18:27:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:37,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:37,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:37,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483750279] [2022-11-18 18:27:37,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483750279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:37,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:37,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:37,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073008306] [2022-11-18 18:27:37,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:37,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:37,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:37,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:37,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:37,132 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-11-18 18:27:37,134 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 121 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,134 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:37,134 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-11-18 18:27:37,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:37,213 INFO L130 PetriNetUnfolder]: 1/183 cut-off events. [2022-11-18 18:27:37,214 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-18 18:27:37,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 183 events. 1/183 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 182 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 209. Up to 44 conditions per place. [2022-11-18 18:27:37,216 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2022-11-18 18:27:37,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 120 transitions, 326 flow [2022-11-18 18:27:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2022-11-18 18:27:37,218 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7701149425287356 [2022-11-18 18:27:37,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2022-11-18 18:27:37,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2022-11-18 18:27:37,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:37,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2022-11-18 18:27:37,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,228 INFO L175 Difference]: Start difference. First operand has 127 places, 121 transitions, 274 flow. Second operand 3 states and 335 transitions. [2022-11-18 18:27:37,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 120 transitions, 326 flow [2022-11-18 18:27:37,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 120 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:27:37,232 INFO L231 Difference]: Finished difference. Result has 126 places, 120 transitions, 272 flow [2022-11-18 18:27:37,233 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=126, PETRI_TRANSITIONS=120} [2022-11-18 18:27:37,236 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -10 predicate places. [2022-11-18 18:27:37,236 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 272 flow [2022-11-18 18:27:37,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,244 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:37,244 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:37,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:27:37,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:37,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1371464854, now seen corresponding path program 1 times [2022-11-18 18:27:37,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:37,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384940559] [2022-11-18 18:27:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:37,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:37,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384940559] [2022-11-18 18:27:37,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384940559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:37,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:37,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:37,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573686882] [2022-11-18 18:27:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:37,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:37,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:37,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:37,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 145 [2022-11-18 18:27:37,359 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:37,360 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 145 [2022-11-18 18:27:37,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:37,427 INFO L130 PetriNetUnfolder]: 1/181 cut-off events. [2022-11-18 18:27:37,427 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-18 18:27:37,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 181 events. 1/181 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 175 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 205. Up to 43 conditions per place. [2022-11-18 18:27:37,428 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 25 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2022-11-18 18:27:37,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 324 flow [2022-11-18 18:27:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2022-11-18 18:27:37,430 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7632183908045977 [2022-11-18 18:27:37,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions. [2022-11-18 18:27:37,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions. [2022-11-18 18:27:37,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:37,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions. [2022-11-18 18:27:37,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,434 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,434 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,435 INFO L175 Difference]: Start difference. First operand has 126 places, 120 transitions, 272 flow. Second operand 3 states and 332 transitions. [2022-11-18 18:27:37,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 324 flow [2022-11-18 18:27:37,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 119 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:37,438 INFO L231 Difference]: Finished difference. Result has 125 places, 119 transitions, 270 flow [2022-11-18 18:27:37,439 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=125, PETRI_TRANSITIONS=119} [2022-11-18 18:27:37,439 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2022-11-18 18:27:37,440 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 119 transitions, 270 flow [2022-11-18 18:27:37,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,440 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:37,441 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:37,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:27:37,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:37,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:37,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1547957304, now seen corresponding path program 1 times [2022-11-18 18:27:37,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:37,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068408945] [2022-11-18 18:27:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:37,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:37,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068408945] [2022-11-18 18:27:37,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068408945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:37,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:37,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:27:37,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681645973] [2022-11-18 18:27:37,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:37,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:37,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:37,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:37,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:37,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 145 [2022-11-18 18:27:37,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 119 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:37,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 145 [2022-11-18 18:27:37,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:37,556 INFO L130 PetriNetUnfolder]: 1/179 cut-off events. [2022-11-18 18:27:37,557 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-11-18 18:27:37,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 179 events. 1/179 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 169 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 201. Up to 40 conditions per place. [2022-11-18 18:27:37,558 INFO L137 encePairwiseOnDemand]: 142/145 looper letters, 23 selfloop transitions, 2 changer transitions 1/118 dead transitions. [2022-11-18 18:27:37,558 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 118 transitions, 318 flow [2022-11-18 18:27:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:27:37,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-11-18 18:27:37,560 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7655172413793103 [2022-11-18 18:27:37,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 333 transitions. [2022-11-18 18:27:37,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 333 transitions. [2022-11-18 18:27:37,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:37,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 333 transitions. [2022-11-18 18:27:37,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,564 INFO L175 Difference]: Start difference. First operand has 125 places, 119 transitions, 270 flow. Second operand 3 states and 333 transitions. [2022-11-18 18:27:37,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 118 transitions, 318 flow [2022-11-18 18:27:37,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 118 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:37,568 INFO L231 Difference]: Finished difference. Result has 124 places, 117 transitions, 266 flow [2022-11-18 18:27:37,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=266, PETRI_PLACES=124, PETRI_TRANSITIONS=117} [2022-11-18 18:27:37,569 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -12 predicate places. [2022-11-18 18:27:37,570 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 117 transitions, 266 flow [2022-11-18 18:27:37,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:37,570 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:27:37,571 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:37,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:27:37,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2022-11-18 18:27:37,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:37,572 INFO L85 PathProgramCache]: Analyzing trace with hash 297957641, now seen corresponding path program 1 times [2022-11-18 18:27:37,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:37,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514277383] [2022-11-18 18:27:37,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:37,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:38,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:38,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514277383] [2022-11-18 18:27:38,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514277383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:38,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:38,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:27:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580638583] [2022-11-18 18:27:38,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:38,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:27:38,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:38,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:27:38,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:27:38,074 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 145 [2022-11-18 18:27:38,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:38,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:27:38,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 145 [2022-11-18 18:27:38,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:27:38,117 INFO L130 PetriNetUnfolder]: 1/177 cut-off events. [2022-11-18 18:27:38,117 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 18:27:38,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 177 events. 1/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 160 event pairs, 0 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 164. Up to 9 conditions per place. [2022-11-18 18:27:38,118 INFO L137 encePairwiseOnDemand]: 140/145 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2022-11-18 18:27:38,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 116 transitions, 282 flow [2022-11-18 18:27:38,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:27:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:27:38,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 748 transitions. [2022-11-18 18:27:38,121 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8597701149425288 [2022-11-18 18:27:38,121 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 748 transitions. [2022-11-18 18:27:38,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 748 transitions. [2022-11-18 18:27:38,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:27:38,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 748 transitions. [2022-11-18 18:27:38,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:38,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:38,127 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:38,127 INFO L175 Difference]: Start difference. First operand has 124 places, 117 transitions, 266 flow. Second operand 6 states and 748 transitions. [2022-11-18 18:27:38,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 116 transitions, 282 flow [2022-11-18 18:27:38,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 116 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:27:38,130 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2022-11-18 18:27:38,130 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2022-11-18 18:27:38,131 INFO L288 CegarLoopForPetriNet]: 136 programPoint places, -11 predicate places. [2022-11-18 18:27:38,131 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2022-11-18 18:27:38,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.66666666666667) internal successors, (748), 6 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:27:38,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2022-11-18 18:27:38,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2022-11-18 18:27:38,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2022-11-18 18:27:38,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2022-11-18 18:27:38,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2022-11-18 18:27:38,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2022-11-18 18:27:38,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2022-11-18 18:27:38,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2022-11-18 18:27:38,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2022-11-18 18:27:38,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2022-11-18 18:27:38,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2022-11-18 18:27:38,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2022-11-18 18:27:38,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2022-11-18 18:27:38,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2022-11-18 18:27:38,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2022-11-18 18:27:38,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2022-11-18 18:27:38,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:27:38,139 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:38,144 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:27:38,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:27:38,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:27:38 BasicIcfg [2022-11-18 18:27:38,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:27:38,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:27:38,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:27:38,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:27:38,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:34" (3/4) ... [2022-11-18 18:27:38,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:27:38,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-18 18:27:38,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-18 18:27:38,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 18:27:38,168 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:27:38,168 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:27:38,226 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:27:38,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:27:38,228 INFO L158 Benchmark]: Toolchain (without parser) took 4738.72ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 96.4MB in the beginning and 71.2MB in the end (delta: 25.2MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,228 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:27:38,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.96ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.70ms. Allocated memory is still 130.0MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,229 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 130.0MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:27:38,229 INFO L158 Benchmark]: RCFGBuilder took 691.31ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 76.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,230 INFO L158 Benchmark]: TraceAbstraction took 3294.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 75.0MB in the beginning and 74.3MB in the end (delta: 673.5kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,230 INFO L158 Benchmark]: Witness Printer took 75.72ms. Allocated memory is still 157.3MB. Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:27:38,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.96ms. Allocated memory is still 130.0MB. Free memory was 96.4MB in the beginning and 95.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.70ms. Allocated memory is still 130.0MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 130.0MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 691.31ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 76.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3294.14ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 75.0MB in the beginning and 74.3MB in the end (delta: 673.5kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 75.72ms. Allocated memory is still 157.3MB. Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 186 locations, 16 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: 3.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 138 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=2, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 423 NumberOfCodeBlocks, 423 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:27:38,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9cef9e6-e358-49a0-b997-5682962cf560/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE