./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.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_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/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_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/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_f3029515-27c2-4904-a1ad-ef913d4b66ff/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 ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- 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 18:39:10,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:39:10,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:39:10,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:39:10,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:39:10,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:39:10,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:39:10,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:39:10,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:39:10,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:39:10,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:39:10,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:39:10,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:39:10,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:39:10,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:39:10,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:39:10,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:39:10,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:39:10,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:39:10,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:39:10,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:39:10,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:39:10,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:39:10,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:39:10,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:39:10,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:39:10,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:39:10,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:39:10,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:39:10,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:39:10,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:39:10,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:39:10,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:39:10,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:39:10,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:39:10,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:39:10,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:39:10,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:39:10,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:39:10,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:39:10,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:39:10,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:39:10,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:39:10,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:39:10,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:39:10,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:39:10,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:39:10,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:39:10,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:39:10,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:39:10,947 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:39:10,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:39:10,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:39:10,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:39:10,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:39:10,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:39:10,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:39:10,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:39:10,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:39:10,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:39:10,950 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:39:10,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:39:10,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:39:10,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:39:10,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:39:10,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:39:10,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:39:10,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:39:10,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:39:10,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:39:10,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:39:10,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:39:10,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:39:10,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:39:10,955 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:39:10,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:39:10,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:39:10,956 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_f3029515-27c2-4904-a1ad-ef913d4b66ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2022-11-18 18:39:11,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:39:11,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:39:11,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:39:11,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:39:11,257 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:39:11,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-11-18 18:39:11,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/data/c8b299355/1885a27f905f4abf87b5c0bb2bd914cf/FLAG63fb3a8cb [2022-11-18 18:39:11,893 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:39:11,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2022-11-18 18:39:11,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/data/c8b299355/1885a27f905f4abf87b5c0bb2bd914cf/FLAG63fb3a8cb [2022-11-18 18:39:12,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/data/c8b299355/1885a27f905f4abf87b5c0bb2bd914cf [2022-11-18 18:39:12,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:39:12,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:39:12,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:39:12,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:39:12,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:39:12,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceb6fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12, skipping insertion in model container [2022-11-18 18:39:12,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:39:12,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:39:12,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:39:12,656 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:39:12,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:39:12,730 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:39:12,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12 WrapperNode [2022-11-18 18:39:12,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:39:12,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:39:12,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:39:12,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:39:12,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,792 INFO L138 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-11-18 18:39:12,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:39:12,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:39:12,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:39:12,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:39:12,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:39:12,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:39:12,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:39:12,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:39:12,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (1/1) ... [2022-11-18 18:39:12,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:39:12,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:39:12,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:39:12,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:39:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:39:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:39:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:39:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:39:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-18 18:39:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-18 18:39:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:39:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:39:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:39:12,917 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 18:39:13,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:39:13,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:39:13,329 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:39:13,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:39:13,337 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:39:13,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:13 BoogieIcfgContainer [2022-11-18 18:39:13,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:39:13,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:39:13,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:39:13,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:39:13,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:39:12" (1/3) ... [2022-11-18 18:39:13,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3166b8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:13, skipping insertion in model container [2022-11-18 18:39:13,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:39:12" (2/3) ... [2022-11-18 18:39:13,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3166b8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:13, skipping insertion in model container [2022-11-18 18:39:13,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:13" (3/3) ... [2022-11-18 18:39:13,358 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2022-11-18 18:39:13,382 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:39:13,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:39:13,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 18:39:13,412 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:39:13,513 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 18:39:13,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 77 transitions, 159 flow [2022-11-18 18:39:13,665 INFO L130 PetriNetUnfolder]: 1/76 cut-off events. [2022-11-18 18:39:13,665 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:39:13,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 1/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2022-11-18 18:39:13,692 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 77 transitions, 159 flow [2022-11-18 18:39:13,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 76 transitions, 155 flow [2022-11-18 18:39:13,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:39:13,727 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;@2869fadb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:39:13,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-18 18:39:13,744 INFO L130 PetriNetUnfolder]: 1/39 cut-off events. [2022-11-18 18:39:13,749 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:39:13,750 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:39:13,751 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 18:39:13,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:39:13,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1382176156, now seen corresponding path program 1 times [2022-11-18 18:39:13,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:13,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137823991] [2022-11-18 18:39:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:13,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:14,713 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 18:39:14,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:14,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137823991] [2022-11-18 18:39:14,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137823991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:14,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:14,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:39:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363555175] [2022-11-18 18:39:14,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:14,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:14,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:14,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:14,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:14,794 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 77 [2022-11-18 18:39:14,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 155 flow. Second operand has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 18:39:14,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:39:14,805 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 77 [2022-11-18 18:39:14,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:39:15,518 INFO L130 PetriNetUnfolder]: 264/936 cut-off events. [2022-11-18 18:39:15,518 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 18:39:15,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1521 conditions, 936 events. 264/936 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5967 event pairs, 112 based on Foata normal form. 1/852 useless extension candidates. Maximal degree in co-relation 1487. Up to 310 conditions per place. [2022-11-18 18:39:15,535 INFO L137 encePairwiseOnDemand]: 65/77 looper letters, 86 selfloop transitions, 22 changer transitions 1/152 dead transitions. [2022-11-18 18:39:15,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 152 transitions, 523 flow [2022-11-18 18:39:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:39:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:39:15,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 380 transitions. [2022-11-18 18:39:15,565 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8225108225108225 [2022-11-18 18:39:15,567 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 380 transitions. [2022-11-18 18:39:15,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 380 transitions. [2022-11-18 18:39:15,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:39:15,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 380 transitions. [2022-11-18 18:39:15,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 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 18:39:15,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:15,591 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:15,593 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 155 flow. Second operand 6 states and 380 transitions. [2022-11-18 18:39:15,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 152 transitions, 523 flow [2022-11-18 18:39:15,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 152 transitions, 522 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:39:15,607 INFO L231 Difference]: Finished difference. Result has 87 places, 96 transitions, 296 flow [2022-11-18 18:39:15,609 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=87, PETRI_TRANSITIONS=96} [2022-11-18 18:39:15,616 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 8 predicate places. [2022-11-18 18:39:15,616 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 96 transitions, 296 flow [2022-11-18 18:39:15,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 18:39:15,617 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:39:15,617 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] [2022-11-18 18:39:15,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:39:15,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:39:15,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:15,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1190604631, now seen corresponding path program 1 times [2022-11-18 18:39:15,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:15,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960145348] [2022-11-18 18:39:15,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:15,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:15,953 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 18:39:15,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:15,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960145348] [2022-11-18 18:39:15,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960145348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:15,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:15,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:39:15,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89931532] [2022-11-18 18:39:15,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:15,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:15,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:15,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:15,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 77 [2022-11-18 18:39:15,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 96 transitions, 296 flow. Second operand has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 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 18:39:15,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:39:15,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 77 [2022-11-18 18:39:15,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:39:16,546 INFO L130 PetriNetUnfolder]: 333/1207 cut-off events. [2022-11-18 18:39:16,546 INFO L131 PetriNetUnfolder]: For 299/299 co-relation queries the response was YES. [2022-11-18 18:39:16,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2361 conditions, 1207 events. 333/1207 cut-off events. For 299/299 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 8655 event pairs, 118 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 2321. Up to 484 conditions per place. [2022-11-18 18:39:16,554 INFO L137 encePairwiseOnDemand]: 66/77 looper letters, 103 selfloop transitions, 26 changer transitions 0/169 dead transitions. [2022-11-18 18:39:16,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 169 transitions, 788 flow [2022-11-18 18:39:16,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:39:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:39:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 360 transitions. [2022-11-18 18:39:16,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7792207792207793 [2022-11-18 18:39:16,557 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 360 transitions. [2022-11-18 18:39:16,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 360 transitions. [2022-11-18 18:39:16,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:39:16,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 360 transitions. [2022-11-18 18:39:16,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 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 18:39:16,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:16,561 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:16,561 INFO L175 Difference]: Start difference. First operand has 87 places, 96 transitions, 296 flow. Second operand 6 states and 360 transitions. [2022-11-18 18:39:16,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 169 transitions, 788 flow [2022-11-18 18:39:16,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 169 transitions, 788 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:39:16,568 INFO L231 Difference]: Finished difference. Result has 95 places, 118 transitions, 474 flow [2022-11-18 18:39:16,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=95, PETRI_TRANSITIONS=118} [2022-11-18 18:39:16,569 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 16 predicate places. [2022-11-18 18:39:16,570 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 118 transitions, 474 flow [2022-11-18 18:39:16,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 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 18:39:16,570 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:39:16,570 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] [2022-11-18 18:39:16,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:39:16,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:39:16,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1210924951, now seen corresponding path program 1 times [2022-11-18 18:39:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:16,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242645862] [2022-11-18 18:39:16,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:16,867 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 18:39:16,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:16,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242645862] [2022-11-18 18:39:16,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242645862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:16,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:16,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:39:16,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152197083] [2022-11-18 18:39:16,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:16,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:16,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:16,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:16,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:16,871 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 77 [2022-11-18 18:39:16,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 118 transitions, 474 flow. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 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 18:39:16,872 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:39:16,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 77 [2022-11-18 18:39:16,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:39:17,567 INFO L130 PetriNetUnfolder]: 564/1862 cut-off events. [2022-11-18 18:39:17,568 INFO L131 PetriNetUnfolder]: For 810/810 co-relation queries the response was YES. [2022-11-18 18:39:17,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4234 conditions, 1862 events. 564/1862 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 14402 event pairs, 197 based on Foata normal form. 0/1738 useless extension candidates. Maximal degree in co-relation 4192. Up to 792 conditions per place. [2022-11-18 18:39:17,582 INFO L137 encePairwiseOnDemand]: 62/77 looper letters, 125 selfloop transitions, 59 changer transitions 1/226 dead transitions. [2022-11-18 18:39:17,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 226 transitions, 1325 flow [2022-11-18 18:39:17,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:39:17,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:39:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 365 transitions. [2022-11-18 18:39:17,584 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.79004329004329 [2022-11-18 18:39:17,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 365 transitions. [2022-11-18 18:39:17,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 365 transitions. [2022-11-18 18:39:17,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:39:17,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 365 transitions. [2022-11-18 18:39:17,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 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 18:39:17,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:17,589 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:17,589 INFO L175 Difference]: Start difference. First operand has 95 places, 118 transitions, 474 flow. Second operand 6 states and 365 transitions. [2022-11-18 18:39:17,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 226 transitions, 1325 flow [2022-11-18 18:39:17,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 226 transitions, 1325 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 18:39:17,601 INFO L231 Difference]: Finished difference. Result has 104 places, 170 transitions, 992 flow [2022-11-18 18:39:17,602 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=992, PETRI_PLACES=104, PETRI_TRANSITIONS=170} [2022-11-18 18:39:17,603 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 25 predicate places. [2022-11-18 18:39:17,603 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 170 transitions, 992 flow [2022-11-18 18:39:17,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 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 18:39:17,604 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:39:17,604 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] [2022-11-18 18:39:17,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:39:17,605 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:39:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:17,607 INFO L85 PathProgramCache]: Analyzing trace with hash 309804383, now seen corresponding path program 1 times [2022-11-18 18:39:17,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:17,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571660133] [2022-11-18 18:39:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:17,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:39:18,028 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 18:39:18,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:39:18,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571660133] [2022-11-18 18:39:18,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571660133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:39:18,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:39:18,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:39:18,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809833536] [2022-11-18 18:39:18,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:39:18,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:39:18,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:39:18,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:39:18,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:39:18,033 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 77 [2022-11-18 18:39:18,034 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 170 transitions, 992 flow. Second operand has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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 18:39:18,034 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:39:18,034 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 77 [2022-11-18 18:39:18,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:39:18,852 INFO L130 PetriNetUnfolder]: 753/2321 cut-off events. [2022-11-18 18:39:18,853 INFO L131 PetriNetUnfolder]: For 2384/2386 co-relation queries the response was YES. [2022-11-18 18:39:18,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6580 conditions, 2321 events. 753/2321 cut-off events. For 2384/2386 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 18714 event pairs, 227 based on Foata normal form. 0/2241 useless extension candidates. Maximal degree in co-relation 6530. Up to 1102 conditions per place. [2022-11-18 18:39:18,873 INFO L137 encePairwiseOnDemand]: 62/77 looper letters, 146 selfloop transitions, 74 changer transitions 39/300 dead transitions. [2022-11-18 18:39:18,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 300 transitions, 2230 flow [2022-11-18 18:39:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:39:18,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:39:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 350 transitions. [2022-11-18 18:39:18,876 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7575757575757576 [2022-11-18 18:39:18,876 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 350 transitions. [2022-11-18 18:39:18,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 350 transitions. [2022-11-18 18:39:18,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:39:18,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 350 transitions. [2022-11-18 18:39:18,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 58.333333333333336) internal successors, (350), 6 states have internal predecessors, (350), 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 18:39:18,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:18,880 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 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 18:39:18,880 INFO L175 Difference]: Start difference. First operand has 104 places, 170 transitions, 992 flow. Second operand 6 states and 350 transitions. [2022-11-18 18:39:18,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 300 transitions, 2230 flow [2022-11-18 18:39:18,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 300 transitions, 2162 flow, removed 34 selfloop flow, removed 0 redundant places. [2022-11-18 18:39:18,934 INFO L231 Difference]: Finished difference. Result has 113 places, 217 transitions, 1530 flow [2022-11-18 18:39:18,935 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1530, PETRI_PLACES=113, PETRI_TRANSITIONS=217} [2022-11-18 18:39:18,936 INFO L288 CegarLoopForPetriNet]: 79 programPoint places, 34 predicate places. [2022-11-18 18:39:18,938 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 217 transitions, 1530 flow [2022-11-18 18:39:18,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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 18:39:18,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:39:18,939 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] [2022-11-18 18:39:18,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:39:18,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-18 18:39:18,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:39:18,946 INFO L85 PathProgramCache]: Analyzing trace with hash -899713889, now seen corresponding path program 1 times [2022-11-18 18:39:18,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:39:18,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332604636] [2022-11-18 18:39:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:39:18,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:39:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:39:18,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:39:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:39:19,013 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:39:19,014 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:39:19,015 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-18 18:39:19,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-18 18:39:19,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-18 18:39:19,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-18 18:39:19,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-18 18:39:19,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-18 18:39:19,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-18 18:39:19,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:39:19,019 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 18:39:19,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:39:19,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:39:19,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:39:19 BasicIcfg [2022-11-18 18:39:19,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:39:19,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:39:19,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:39:19,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:39:19,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:13" (3/4) ... [2022-11-18 18:39:19,071 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:39:19,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:39:19,072 INFO L158 Benchmark]: Toolchain (without parser) took 6906.98ms. Allocated memory was 111.1MB in the beginning and 224.4MB in the end (delta: 113.2MB). Free memory was 79.6MB in the beginning and 169.7MB in the end (delta: -90.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,073 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:39:19,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.33ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 79.3MB in the beginning and 104.3MB in the end (delta: -25.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.39ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,075 INFO L158 Benchmark]: Boogie Preprocessor took 29.92ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,075 INFO L158 Benchmark]: RCFGBuilder took 511.79ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 86.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,076 INFO L158 Benchmark]: TraceAbstraction took 5725.05ms. Allocated memory was 138.4MB in the beginning and 224.4MB in the end (delta: 86.0MB). Free memory was 85.9MB in the beginning and 169.7MB in the end (delta: -83.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-18 18:39:19,076 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 224.4MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:39:19,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.33ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 79.3MB in the beginning and 104.3MB in the end (delta: -25.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.39ms. Allocated memory is still 138.4MB. Free memory was 104.3MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.92ms. Allocated memory is still 138.4MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.79ms. Allocated memory is still 138.4MB. Free memory was 100.6MB in the beginning and 86.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5725.05ms. Allocated memory was 138.4MB in the beginning and 224.4MB in the end (delta: 86.0MB). Free memory was 85.9MB in the beginning and 169.7MB in the end (delta: -83.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 224.4MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 694]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=4, data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L694] EXPR 0 data[i] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[i]=0, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[i]=0, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[i]=0, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[i]=0, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[i]=0, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=41, data[i]=0, i=4, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [686] and C: data[i]++ [694] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 877 IncrementalHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 108 mSDtfsCounter, 877 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1530occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 18:39:19,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3029515-27c2-4904-a1ad-ef913d4b66ff/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE