./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R --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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- 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-38b53e6 [2022-11-25 16:57:26,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:57:26,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:57:26,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:57:26,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:57:26,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:57:26,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:57:26,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:57:26,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:57:26,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:57:26,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:57:26,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:57:26,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:57:26,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:57:26,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:57:26,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:57:26,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:57:26,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:57:26,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:57:26,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:57:26,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:57:26,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:57:26,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:57:26,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:57:26,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:57:26,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:57:26,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:57:26,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:57:26,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:57:26,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:57:26,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:57:26,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:57:26,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:57:26,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:57:26,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:57:26,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:57:26,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:57:26,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:57:26,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:57:26,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:57:26,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:57:26,171 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:57:26,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:57:26,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:57:26,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:57:26,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:57:26,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:57:26,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:57:26,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:57:26,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:57:26,218 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:57:26,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:57:26,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:57:26,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:57:26,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:57:26,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:57:26,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:57:26,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:57:26,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:57:26,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:57:26,221 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:57:26,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:57:26,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:57:26,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:57:26,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:57:26,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:57:26,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:57:26,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:57:26,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:26,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:57:26,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:57:26,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:57:26,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:57:26,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:57:26,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:57:26,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:57:26,225 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:57:26,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:57:26,225 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2022-11-25 16:57:26,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:57:26,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:57:26,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:57:26,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:57:26,552 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:57:26,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-11-25 16:57:29,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:57:29,957 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:57:29,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2022-11-25 16:57:29,990 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/data/206513111/219f3698ae934abd930ea8181976618c/FLAG6c397604f [2022-11-25 16:57:30,009 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/data/206513111/219f3698ae934abd930ea8181976618c [2022-11-25 16:57:30,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:57:30,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:57:30,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:30,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:57:30,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:57:30,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639ae165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30, skipping insertion in model container [2022-11-25 16:57:30,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:57:30,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:57:30,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-11-25 16:57:30,598 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,599 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,600 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,602 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:30,642 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:57:30,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i[47038,47051] [2022-11-25 16:57:30,687 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,688 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,689 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,690 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 16:57:30,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:57:30,769 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:57:30,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30 WrapperNode [2022-11-25 16:57:30,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:57:30,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:30,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:57:30,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:57:30,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,850 INFO L138 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 294 [2022-11-25 16:57:30,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:57:30,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:57:30,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:57:30,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:57:30,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:57:30,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:57:30,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:57:30,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:57:30,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (1/1) ... [2022-11-25 16:57:30,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:57:30,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:57:30,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:57:30,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70ba287-41a5-43b3-9d41-899b42dc4344/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:57:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 16:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:57:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 16:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 16:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 16:57:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 16:57:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 16:57:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:57:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:57:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:57:31,029 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:57:31,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:57:31,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:57:32,053 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:57:32,070 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:57:32,071 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-25 16:57:32,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:32 BoogieIcfgContainer [2022-11-25 16:57:32,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:57:32,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:57:32,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:57:32,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:57:32,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:57:30" (1/3) ... [2022-11-25 16:57:32,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:32, skipping insertion in model container [2022-11-25 16:57:32,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:30" (2/3) ... [2022-11-25 16:57:32,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5521169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:57:32, skipping insertion in model container [2022-11-25 16:57:32,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:32" (3/3) ... [2022-11-25 16:57:32,091 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2022-11-25 16:57:32,103 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:57:32,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:57:32,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-25 16:57:32,115 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:57:32,263 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 16:57:32,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,462 INFO L130 PetriNetUnfolder]: 26/350 cut-off events. [2022-11-25 16:57:32,462 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 16:57:32,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 350 events. 26/350 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 828 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2022-11-25 16:57:32,471 INFO L82 GeneralOperation]: Start removeDead. Operand has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,478 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,482 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:57:32,498 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,501 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 327 transitions, 662 flow [2022-11-25 16:57:32,581 INFO L130 PetriNetUnfolder]: 26/350 cut-off events. [2022-11-25 16:57:32,597 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-25 16:57:32,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 350 events. 26/350 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 828 event pairs, 0 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 181. Up to 4 conditions per place. [2022-11-25 16:57:32,604 INFO L119 LiptonReduction]: Number of co-enabled transitions 7772 [2022-11-25 16:58:33,954 WARN L233 SmtUtils]: Spent 21.22s on a formula simplification. DAG size of input: 133 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:58:43,308 WARN L233 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:04,158 WARN L233 SmtUtils]: Spent 20.85s on a formula simplification. DAG size of input: 133 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:12,858 WARN L233 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:25,933 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 16:59:49,313 WARN L233 SmtUtils]: Spent 13.12s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:03,158 WARN L233 SmtUtils]: Spent 13.84s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:19,101 WARN L233 SmtUtils]: Spent 15.94s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:29,906 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:44,534 WARN L233 SmtUtils]: Spent 14.63s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:00:58,151 WARN L233 SmtUtils]: Spent 13.62s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:16,361 WARN L233 SmtUtils]: Spent 18.21s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:01:32,495 WARN L233 SmtUtils]: Spent 16.13s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:07:19,930 WARN L233 SmtUtils]: Spent 5.78m on a formula simplification. DAG size of input: 274 DAG size of output: 268 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:09:10,303 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)