./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/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_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/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_a5241197-cd0e-48ea-ad08-15d780e8703c/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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- 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 17:19:21,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:19:21,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:19:21,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:19:21,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:19:21,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:19:21,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:19:21,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:19:21,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:19:21,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:19:21,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:19:21,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:19:21,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:19:21,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:19:21,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:19:21,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:19:21,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:19:21,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:19:21,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:19:21,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:19:21,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:19:21,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:19:21,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:19:21,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:19:21,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:19:21,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:19:21,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:19:21,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:19:21,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:19:21,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:19:21,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:19:21,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:19:21,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:19:21,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:19:21,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:19:21,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:19:21,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:19:21,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:19:21,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:19:21,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:19:21,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:19:21,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:19:21,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:19:21,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:19:21,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:19:21,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:19:21,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:19:21,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:19:21,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:19:21,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:19:21,983 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:19:21,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:19:21,984 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:19:21,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:19:21,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:19:21,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:19:21,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:19:21,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:19:21,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:19:21,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:19:21,987 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:19:21,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:19:21,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:19:21,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:19:21,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:19:21,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:19:21,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:19:21,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:19:21,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:21,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:19:21,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:19:21,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:19:21,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:19:21,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:19:21,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:19:21,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:19:21,992 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:19:21,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:19:21,992 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_a5241197-cd0e-48ea-ad08-15d780e8703c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2022-11-25 17:19:22,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:19:22,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:19:22,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:19:22,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:19:22,374 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:19:22,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-25 17:19:25,391 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:25,687 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:25,688 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-25 17:19:25,711 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/data/e6f96f35f/d218d4009fcf42dda06d2ce43330b2e7/FLAGfefc334b2 [2022-11-25 17:19:25,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/data/e6f96f35f/d218d4009fcf42dda06d2ce43330b2e7 [2022-11-25 17:19:25,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:25,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:25,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:25,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:25,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:25,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:25" (1/1) ... [2022-11-25 17:19:25,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504ccf4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:25, skipping insertion in model container [2022-11-25 17:19:25,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:25" (1/1) ... [2022-11-25 17:19:25,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:25,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:26,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:26,518 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:26,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:26,648 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:26,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26 WrapperNode [2022-11-25 17:19:26,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:26,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:26,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:26,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:26,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,747 INFO L138 Inliner]: procedures = 370, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 353 [2022-11-25 17:19:26,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:26,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:26,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:26,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:26,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:26,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:26,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:26,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:26,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (1/1) ... [2022-11-25 17:19:26,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:26,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:26,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5241197-cd0e-48ea-ad08-15d780e8703c/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:19:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:19:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:19:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:19:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:19:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:19:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:19:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:19:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:19:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 17:19:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 17:19:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:26,984 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 17:19:27,234 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:27,236 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:27,978 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:27,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:28,000 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:19:28,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:28 BoogieIcfgContainer [2022-11-25 17:19:28,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:28,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:19:28,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:19:28,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:19:28,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:19:25" (1/3) ... [2022-11-25 17:19:28,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4ac71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:28, skipping insertion in model container [2022-11-25 17:19:28,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:26" (2/3) ... [2022-11-25 17:19:28,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4ac71c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:28, skipping insertion in model container [2022-11-25 17:19:28,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:28" (3/3) ... [2022-11-25 17:19:28,019 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2022-11-25 17:19:28,029 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:19:28,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:19:28,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-25 17:19:28,039 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:19:28,172 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:19:28,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 430 transitions, 865 flow [2022-11-25 17:19:28,449 INFO L130 PetriNetUnfolder]: 5/429 cut-off events. [2022-11-25 17:19:28,449 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:19:28,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2022-11-25 17:19:28,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 430 transitions, 865 flow [2022-11-25 17:19:28,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 428 places, 429 transitions, 861 flow [2022-11-25 17:19:28,475 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:19:28,505 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 429 transitions, 861 flow [2022-11-25 17:19:28,509 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 429 transitions, 861 flow [2022-11-25 17:19:28,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 428 places, 429 transitions, 861 flow [2022-11-25 17:19:28,593 INFO L130 PetriNetUnfolder]: 5/429 cut-off events. [2022-11-25 17:19:28,593 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:19:28,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2022-11-25 17:19:28,598 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-25 17:20:24,062 WARN L233 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 138 DAG size of output: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:20:35,512 WARN L233 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 138 DAG size of output: 129 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:20:50,325 WARN L233 SmtUtils]: Spent 10.60s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:20:58,384 WARN L233 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:10,568 WARN L233 SmtUtils]: Spent 12.18s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:18,059 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:30,141 WARN L233 SmtUtils]: Spent 12.07s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:41,338 WARN L233 SmtUtils]: Spent 11.20s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:52,978 WARN L233 SmtUtils]: Spent 11.64s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:02,673 WARN L233 SmtUtils]: Spent 9.69s on a formula simplification that was a NOOP. DAG size: 147 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:09,666 WARN L233 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:15,438 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:22,234 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:22:28,008 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:23:00,881 WARN L233 SmtUtils]: Spent 32.82s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:23:20,297 WARN L233 SmtUtils]: Spent 19.41s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:23:50,518 WARN L233 SmtUtils]: Spent 30.22s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:24:11,056 WARN L233 SmtUtils]: Spent 20.54s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:25:11,236 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification that was a NOOP. DAG size: 219 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:26:06,288 WARN L233 SmtUtils]: Spent 55.05s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:27:00,468 WARN L233 SmtUtils]: Spent 54.18s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:27:50,141 WARN L233 SmtUtils]: Spent 49.67s on a formula simplification that was a NOOP. DAG size: 213 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:28:06,175 WARN L233 SmtUtils]: Spent 16.00s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:28:18,665 WARN L233 SmtUtils]: Spent 12.49s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:28:34,042 WARN L233 SmtUtils]: Spent 15.38s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:28:47,585 WARN L233 SmtUtils]: Spent 13.54s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:29:54,558 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:31:06,330 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:32:06,926 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 218 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:33:13,418 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 212 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:34:23,968 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 284 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)