./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:36:29,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:36:29,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:36:29,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:36:29,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:36:29,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:36:29,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:36:29,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:36:29,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:36:29,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:36:29,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:36:29,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:36:29,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:36:29,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:36:29,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:36:29,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:36:29,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:36:29,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:36:29,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:36:29,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:36:29,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:36:29,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:36:29,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:36:29,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:36:29,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:36:29,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:36:29,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:36:29,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:36:29,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:36:29,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:36:29,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:36:29,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:36:29,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:36:29,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:36:29,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:36:29,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:36:29,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:36:29,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:36:29,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:36:29,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:36:29,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:36:29,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:36:29,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:36:29,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:36:29,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:36:29,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:36:29,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:36:29,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:36:29,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:36:29,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:36:29,811 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:36:29,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:36:29,811 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:36:29,811 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:36:29,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:36:29,813 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:36:29,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:36:29,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:36:29,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:36:29,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:36:29,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:36:29,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:36:29,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:36:29,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:36:29,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:36:29,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:36:29,816 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:36:29,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:36:29,816 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:36:29,816 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_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b10301f6f97c5435769d7b19a9e50d6b7ee8e52c2dd24af35f51d042843ff4c [2022-12-13 11:36:29,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:36:30,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:36:30,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:36:30,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:36:30,020 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:36:30,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-12-13 11:36:32,592 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:36:32,737 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:36:32,738 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/sv-benchmarks/c/goblint-regression/05-lval_ls_07-glob_fld_rc.i [2022-12-13 11:36:32,747 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/data/550f15875/9acfbf7bb2f748539769c1362732384c/FLAGe54c1faf3 [2022-12-13 11:36:32,759 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/data/550f15875/9acfbf7bb2f748539769c1362732384c [2022-12-13 11:36:32,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:36:32,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:36:32,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:36:32,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:36:32,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:36:32,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:36:32" (1/1) ... [2022-12-13 11:36:32,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459a1e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:32, skipping insertion in model container [2022-12-13 11:36:32,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:36:32" (1/1) ... [2022-12-13 11:36:32,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:36:32,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:36:33,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:36:33,072 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:36:33,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:36:33,139 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:36:33,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33 WrapperNode [2022-12-13 11:36:33,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:36:33,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:36:33,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:36:33,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:36:33,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,177 INFO L138 Inliner]: procedures = 161, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-12-13 11:36:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:36:33,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:36:33,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:36:33,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:36:33,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,201 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:36:33,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:36:33,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:36:33,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:36:33,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (1/1) ... [2022-12-13 11:36:33,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:36:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:36:33,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:36:33,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:36:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:36:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 11:36:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:36:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:36:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:36:33,265 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:36:33,358 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:36:33,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:36:33,486 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:36:33,493 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:36:33,493 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 11:36:33,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:36:33 BoogieIcfgContainer [2022-12-13 11:36:33,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:36:33,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:36:33,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:36:33,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:36:33,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:36:32" (1/3) ... [2022-12-13 11:36:33,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef45d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:36:33, skipping insertion in model container [2022-12-13 11:36:33,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:36:33" (2/3) ... [2022-12-13 11:36:33,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef45d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:36:33, skipping insertion in model container [2022-12-13 11:36:33,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:36:33" (3/3) ... [2022-12-13 11:36:33,504 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_07-glob_fld_rc.i [2022-12-13 11:36:33,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:36:33,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:36:33,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 11:36:33,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:36:33,561 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:36:33,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 139 flow [2022-12-13 11:36:33,627 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-13 11:36:33,627 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:36:33,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 11:36:33,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 67 transitions, 139 flow [2022-12-13 11:36:33,633 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 66 transitions, 135 flow [2022-12-13 11:36:33,637 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:36:33,644 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 66 transitions, 135 flow [2022-12-13 11:36:33,646 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 66 transitions, 135 flow [2022-12-13 11:36:33,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 135 flow [2022-12-13 11:36:33,660 INFO L130 PetriNetUnfolder]: 0/66 cut-off events. [2022-12-13 11:36:33,661 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:36:33,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 11:36:33,662 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2022-12-13 11:36:34,433 INFO L134 LiptonReduction]: Checked pairs total: 5518 [2022-12-13 11:36:34,433 INFO L136 LiptonReduction]: Total number of compositions: 36 [2022-12-13 11:36:34,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:36:34,452 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;@5649782a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:36:34,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 11:36:34,456 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-13 11:36:34,456 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:36:34,457 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:36:34,457 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:36:34,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 11:36:34,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:36:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2119792062, now seen corresponding path program 1 times [2022-12-13 11:36:34,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:36:34,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807679506] [2022-12-13 11:36:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:36:34,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:36:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:36:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:36:34,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:36:34,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807679506] [2022-12-13 11:36:34,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807679506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:36:34,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:36:34,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:36:34,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629552740] [2022-12-13 11:36:34,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:36:34,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:36:34,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:36:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:36:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:36:35,008 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 103 [2022-12-13 11:36:35,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:36:35,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 103 [2022-12-13 11:36:35,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:36:35,189 INFO L130 PetriNetUnfolder]: 262/621 cut-off events. [2022-12-13 11:36:35,189 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:36:35,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 621 events. 262/621 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3237 event pairs, 56 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 1191. Up to 227 conditions per place. [2022-12-13 11:36:35,194 INFO L137 encePairwiseOnDemand]: 81/103 looper letters, 88 selfloop transitions, 42 changer transitions 0/132 dead transitions. [2022-12-13 11:36:35,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 132 transitions, 527 flow [2022-12-13 11:36:35,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:36:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:36:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 390 transitions. [2022-12-13 11:36:35,205 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6310679611650486 [2022-12-13 11:36:35,205 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 390 transitions. [2022-12-13 11:36:35,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 390 transitions. [2022-12-13 11:36:35,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:36:35,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 390 transitions. [2022-12-13 11:36:35,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 65.0) internal successors, (390), 6 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,215 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,216 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 390 transitions. [2022-12-13 11:36:35,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 132 transitions, 527 flow [2022-12-13 11:36:35,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 132 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:36:35,221 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2022-12-13 11:36:35,222 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=43, PETRI_TRANSITIONS=76} [2022-12-13 11:36:35,225 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2022-12-13 11:36:35,225 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2022-12-13 11:36:35,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,225 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:36:35,225 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:36:35,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:36:35,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 11:36:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:36:35,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1828630671, now seen corresponding path program 1 times [2022-12-13 11:36:35,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:36:35,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396670544] [2022-12-13 11:36:35,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:36:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:36:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:36:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:36:35,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:36:35,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396670544] [2022-12-13 11:36:35,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396670544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:36:35,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:36:35,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:36:35,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572987207] [2022-12-13 11:36:35,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:36:35,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:36:35,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:36:35,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:36:35,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:36:35,510 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 103 [2022-12-13 11:36:35,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:36:35,510 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 103 [2022-12-13 11:36:35,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:36:35,703 INFO L130 PetriNetUnfolder]: 358/818 cut-off events. [2022-12-13 11:36:35,704 INFO L131 PetriNetUnfolder]: For 468/476 co-relation queries the response was YES. [2022-12-13 11:36:35,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 818 events. 358/818 cut-off events. For 468/476 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4411 event pairs, 103 based on Foata normal form. 22/840 useless extension candidates. Maximal degree in co-relation 2525. Up to 556 conditions per place. [2022-12-13 11:36:35,709 INFO L137 encePairwiseOnDemand]: 87/103 looper letters, 99 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2022-12-13 11:36:35,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1002 flow [2022-12-13 11:36:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:36:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:36:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 344 transitions. [2022-12-13 11:36:35,712 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5566343042071198 [2022-12-13 11:36:35,712 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 344 transitions. [2022-12-13 11:36:35,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 344 transitions. [2022-12-13 11:36:35,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:36:35,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 344 transitions. [2022-12-13 11:36:35,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,715 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 344 transitions. [2022-12-13 11:36:35,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1002 flow [2022-12-13 11:36:35,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1002 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:36:35,720 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2022-12-13 11:36:35,720 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=52, PETRI_TRANSITIONS=119} [2022-12-13 11:36:35,720 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2022-12-13 11:36:35,720 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2022-12-13 11:36:35,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,721 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:36:35,721 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:36:35,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:36:35,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 11:36:35,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:36:35,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1458038556, now seen corresponding path program 1 times [2022-12-13 11:36:35,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:36:35,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769547526] [2022-12-13 11:36:35,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:36:35,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:36:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:36:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:36:35,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:36:35,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769547526] [2022-12-13 11:36:35,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769547526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:36:35,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:36:35,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:36:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446935708] [2022-12-13 11:36:35,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:36:35,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:36:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:36:35,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:36:35,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:36:35,965 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 103 [2022-12-13 11:36:35,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:35,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:36:35,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 103 [2022-12-13 11:36:35,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:36:36,214 INFO L130 PetriNetUnfolder]: 432/962 cut-off events. [2022-12-13 11:36:36,214 INFO L131 PetriNetUnfolder]: For 1575/1592 co-relation queries the response was YES. [2022-12-13 11:36:36,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3741 conditions, 962 events. 432/962 cut-off events. For 1575/1592 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5292 event pairs, 113 based on Foata normal form. 24/985 useless extension candidates. Maximal degree in co-relation 3723. Up to 674 conditions per place. [2022-12-13 11:36:36,222 INFO L137 encePairwiseOnDemand]: 87/103 looper letters, 125 selfloop transitions, 49 changer transitions 16/193 dead transitions. [2022-12-13 11:36:36,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 193 transitions, 1593 flow [2022-12-13 11:36:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:36:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:36:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 338 transitions. [2022-12-13 11:36:36,224 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5469255663430421 [2022-12-13 11:36:36,224 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 338 transitions. [2022-12-13 11:36:36,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 338 transitions. [2022-12-13 11:36:36,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:36:36,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 338 transitions. [2022-12-13 11:36:36,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:36,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:36,228 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 103.0) internal successors, (721), 7 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:36,228 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 338 transitions. [2022-12-13 11:36:36,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 193 transitions, 1593 flow [2022-12-13 11:36:36,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 193 transitions, 1559 flow, removed 17 selfloop flow, removed 0 redundant places. [2022-12-13 11:36:36,241 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2022-12-13 11:36:36,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=61, PETRI_TRANSITIONS=148} [2022-12-13 11:36:36,242 INFO L288 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2022-12-13 11:36:36,242 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2022-12-13 11:36:36,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.333333333333336) internal successors, (260), 6 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:36:36,242 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:36:36,243 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:36:36,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:36:36,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 11:36:36,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:36:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash -953452629, now seen corresponding path program 1 times [2022-12-13 11:36:36,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:36:36,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029293672] [2022-12-13 11:36:36,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:36:36,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:36:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:36:36,260 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:36:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:36:36,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:36:36,282 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:36:36,283 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-12-13 11:36:36,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-12-13 11:36:36,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-13 11:36:36,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-12-13 11:36:36,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-12-13 11:36:36,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-12-13 11:36:36,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-12-13 11:36:36,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:36:36,286 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 11:36:36,292 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:36:36,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:36:36,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:36:36 BasicIcfg [2022-12-13 11:36:36,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:36:36,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:36:36,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:36:36,312 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:36:36,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:36:33" (3/4) ... [2022-12-13 11:36:36,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:36:36,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:36:36,315 INFO L158 Benchmark]: Toolchain (without parser) took 3553.73ms. Allocated memory is still 132.1MB. Free memory was 90.6MB in the beginning and 76.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-12-13 11:36:36,316 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:36:36,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.96ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 72.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:36:36,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:36:36,317 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:36:36,317 INFO L158 Benchmark]: RCFGBuilder took 290.00ms. Allocated memory is still 132.1MB. Free memory was 68.4MB in the beginning and 55.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:36:36,317 INFO L158 Benchmark]: TraceAbstraction took 2813.52ms. Allocated memory is still 132.1MB. Free memory was 54.6MB in the beginning and 76.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:36:36,318 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 132.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:36:36,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.96ms. Allocated memory is still 132.1MB. Free memory was 90.2MB in the beginning and 72.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.00ms. Allocated memory is still 132.1MB. Free memory was 68.4MB in the beginning and 55.0MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2813.52ms. Allocated memory is still 132.1MB. Free memory was 54.6MB in the beginning and 76.7MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 132.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 70 PlacesBefore, 34 PlacesAfterwards, 66 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 36 TotalNumberOfCompositions, 5518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1054, independent: 748, independent conditional: 0, independent unconditional: 748, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 483, independent: 445, independent conditional: 0, independent unconditional: 445, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1054, independent: 303, independent conditional: 0, independent unconditional: 303, dependent: 268, dependent conditional: 0, dependent unconditional: 268, unknown: 483, unknown conditional: 0, unknown unconditional: 483] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 690]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; [L688] 0 pthread_t id; [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] EXPR 0 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=0, id={5:0}] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] [L690] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x=0, data.x++=9, data.x++=0, id={5:0}] Now there is a data race (on the heap) between C: data.x++ [684] and C: data.x++ [690] - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: 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: 684]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 684]: 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, 92 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 654 IncrementalHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 31 mSDtfsCounter, 654 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1152occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-12-13 11:36:36,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f35f9dc-5173-4f16-8aa3-16a0fd0cd6b0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE