./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe032_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe032_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN --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 ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 --- 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-6b4ec56 [2022-11-20 10:36:47,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:36:47,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:36:47,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:36:47,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:36:47,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:36:47,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:36:47,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:36:47,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:36:47,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:36:47,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:36:47,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:36:47,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:36:47,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:36:47,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:36:47,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:36:47,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:36:47,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:36:47,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:36:47,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:36:47,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:36:47,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:36:47,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:36:47,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:36:47,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:36:47,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:36:47,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:36:47,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:36:47,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:36:47,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:36:47,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:36:47,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:36:47,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:36:47,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:36:47,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:36:47,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:36:47,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:36:47,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:36:47,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:36:47,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:36:47,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:36:47,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:36:48,036 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:36:48,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:36:48,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:36:48,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:36:48,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:36:48,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:36:48,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:36:48,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:36:48,041 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:36:48,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:36:48,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:36:48,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:36:48,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:36:48,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:36:48,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:36:48,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:36:48,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:36:48,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:36:48,045 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:36:48,046 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:36:48,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:36:48,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:36:48,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:36:48,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:36:48,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:36:48,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:36:48,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:48,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:36:48,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:36:48,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:36:48,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:36:48,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:36:48,050 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:36:48,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:36:48,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:36:48,051 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_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 [2022-11-20 10:36:48,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:36:48,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:36:48,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:36:48,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:36:48,385 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:36:48,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/safe032_tso.i [2022-11-20 10:36:51,572 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:36:51,845 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:36:51,845 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/sv-benchmarks/c/pthread-wmm/safe032_tso.i [2022-11-20 10:36:51,860 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/data/783c4d509/93967c6543f54c16a095e88eaea25603/FLAG58fd8c1ee [2022-11-20 10:36:51,886 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/data/783c4d509/93967c6543f54c16a095e88eaea25603 [2022-11-20 10:36:51,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:36:51,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:36:51,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:51,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:36:51,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:36:51,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:51" (1/1) ... [2022-11-20 10:36:51,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28080814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:51, skipping insertion in model container [2022-11-20 10:36:51,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:51" (1/1) ... [2022-11-20 10:36:51,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:36:51,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:52,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/sv-benchmarks/c/pthread-wmm/safe032_tso.i[945,958] [2022-11-20 10:36:52,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:52,516 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:36:52,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/sv-benchmarks/c/pthread-wmm/safe032_tso.i[945,958] [2022-11-20 10:36:52,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:52,630 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:36:52,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52 WrapperNode [2022-11-20 10:36:52,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:52,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:52,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:36:52,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:36:52,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,708 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2022-11-20 10:36:52,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:52,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:36:52,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:36:52,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:36:52,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:36:52,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:36:52,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:36:52,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:36:52,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (1/1) ... [2022-11-20 10:36:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:52,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:36:52,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:36:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:36:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:36:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:36:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:36:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:36:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:36:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 10:36:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 10:36:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 10:36:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 10:36:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 10:36:52,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 10:36:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:36:52,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:36:52,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:36:52,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:36:52,867 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:36:53,040 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:36:53,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:36:53,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:36:53,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:36:53,654 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:36:53,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:53 BoogieIcfgContainer [2022-11-20 10:36:53,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:36:53,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:36:53,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:36:53,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:36:53,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:36:51" (1/3) ... [2022-11-20 10:36:53,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e74524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:36:53, skipping insertion in model container [2022-11-20 10:36:53,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:52" (2/3) ... [2022-11-20 10:36:53,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e74524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:36:53, skipping insertion in model container [2022-11-20 10:36:53,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:53" (3/3) ... [2022-11-20 10:36:53,667 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2022-11-20 10:36:53,678 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:36:53,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:36:53,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-11-20 10:36:53,691 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:36:53,756 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:36:53,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-11-20 10:36:53,920 INFO L130 PetriNetUnfolder]: 2/114 cut-off events. [2022-11-20 10:36:53,921 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:36:53,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 115 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-11-20 10:36:53,930 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-11-20 10:36:53,938 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-11-20 10:36:53,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:36:53,975 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;@7892be12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:36:53,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-11-20 10:36:54,001 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-20 10:36:54,007 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:36:54,007 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:36:54,008 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] [2022-11-20 10:36:54,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-20 10:36:54,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:36:54,022 INFO L85 PathProgramCache]: Analyzing trace with hash 359311098, now seen corresponding path program 1 times [2022-11-20 10:36:54,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:36:54,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529977440] [2022-11-20 10:36:54,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:36:54,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:36:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:36:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:36:54,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:36:54,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529977440] [2022-11-20 10:36:54,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529977440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:36:54,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:36:54,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:36:54,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953471933] [2022-11-20 10:36:54,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:36:54,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:36:54,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:36:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:36:54,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:36:54,428 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 117 [2022-11-20 10:36:54,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2022-11-20 10:36:54,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:36:54,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 117 [2022-11-20 10:36:54,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:36:54,912 INFO L130 PetriNetUnfolder]: 396/828 cut-off events. [2022-11-20 10:36:54,913 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-11-20 10:36:54,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 828 events. 396/828 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4724 event pairs, 396 based on Foata normal form. 54/815 useless extension candidates. Maximal degree in co-relation 1451. Up to 609 conditions per place. [2022-11-20 10:36:54,933 INFO L137 encePairwiseOnDemand]: 94/117 looper letters, 14 selfloop transitions, 0 changer transitions 0/90 dead transitions. [2022-11-20 10:36:54,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 90 transitions, 217 flow [2022-11-20 10:36:54,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:36:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 10:36:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2022-11-20 10:36:54,952 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-11-20 10:36:54,953 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 195 transitions. [2022-11-20 10:36:54,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 195 transitions. [2022-11-20 10:36:54,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:36:54,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 195 transitions. [2022-11-20 10:36:54,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2022-11-20 10:36:54,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-11-20 10:36:54,978 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-11-20 10:36:54,981 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 2 states and 195 transitions. [2022-11-20 10:36:54,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 90 transitions, 217 flow [2022-11-20 10:36:54,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 90 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 10:36:54,992 INFO L231 Difference]: Finished difference. Result has 98 places, 90 transitions, 186 flow [2022-11-20 10:36:54,996 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=186, PETRI_PLACES=98, PETRI_TRANSITIONS=90} [2022-11-20 10:36:55,004 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, -24 predicate places. [2022-11-20 10:36:55,005 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 90 transitions, 186 flow [2022-11-20 10:36:55,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2022-11-20 10:36:55,006 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:36:55,006 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:36:55,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:36:55,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-20 10:36:55,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:36:55,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2017005016, now seen corresponding path program 1 times [2022-11-20 10:36:55,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:36:55,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863980524] [2022-11-20 10:36:55,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:36:55,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:36:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:36:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:36:55,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:36:55,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863980524] [2022-11-20 10:36:55,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863980524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:36:55,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:36:55,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:36:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320656285] [2022-11-20 10:36:55,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:36:55,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:36:55,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:36:55,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:36:55,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:36:55,193 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-11-20 10:36:55,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 90 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-11-20 10:36:55,194 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:36:55,194 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-11-20 10:36:55,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:36:55,936 INFO L130 PetriNetUnfolder]: 684/2900 cut-off events. [2022-11-20 10:36:55,936 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:36:55,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3969 conditions, 2900 events. 684/2900 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 25943 event pairs, 252 based on Foata normal form. 0/2691 useless extension candidates. Maximal degree in co-relation 3966. Up to 624 conditions per place. [2022-11-20 10:36:55,961 INFO L137 encePairwiseOnDemand]: 115/117 looper letters, 24 selfloop transitions, 1 changer transitions 0/98 dead transitions. [2022-11-20 10:36:55,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 98 transitions, 252 flow [2022-11-20 10:36:55,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:36:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:36:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2022-11-20 10:36:55,968 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2022-11-20 10:36:55,969 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2022-11-20 10:36:55,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2022-11-20 10:36:55,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:36:55,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2022-11-20 10:36:55,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2022-11-20 10:36:55,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-11-20 10:36:55,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-11-20 10:36:55,976 INFO L175 Difference]: Start difference. First operand has 98 places, 90 transitions, 186 flow. Second operand 3 states and 254 transitions. [2022-11-20 10:36:55,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 98 transitions, 252 flow [2022-11-20 10:36:55,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 98 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:36:55,982 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 186 flow [2022-11-20 10:36:55,983 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2022-11-20 10:36:55,984 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2022-11-20 10:36:55,984 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 186 flow [2022-11-20 10:36:55,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-11-20 10:36:55,985 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:36:55,986 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:36:55,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:36:55,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-20 10:36:55,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:36:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash 354455041, now seen corresponding path program 1 times [2022-11-20 10:36:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:36:55,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788496486] [2022-11-20 10:36:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:36:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:36:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:36:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:36:56,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:36:56,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788496486] [2022-11-20 10:36:56,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788496486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:36:56,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:36:56,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:36:56,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613786189] [2022-11-20 10:36:56,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:36:56,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:36:56,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:36:56,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:36:56,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:36:56,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-11-20 10:36:56,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-11-20 10:36:56,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:36:56,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-11-20 10:36:56,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:36:56,759 INFO L130 PetriNetUnfolder]: 684/2311 cut-off events. [2022-11-20 10:36:56,760 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:36:56,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3382 conditions, 2311 events. 684/2311 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 18839 event pairs, 396 based on Foata normal form. 0/2183 useless extension candidates. Maximal degree in co-relation 3378. Up to 609 conditions per place. [2022-11-20 10:36:56,770 INFO L137 encePairwiseOnDemand]: 115/117 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2022-11-20 10:36:56,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 252 flow [2022-11-20 10:36:56,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:36:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:36:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2022-11-20 10:36:56,773 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2022-11-20 10:36:56,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2022-11-20 10:36:56,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2022-11-20 10:36:56,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:36:56,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2022-11-20 10:36:56,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2022-11-20 10:36:56,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-11-20 10:36:56,778 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-11-20 10:36:56,778 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 186 flow. Second operand 3 states and 254 transitions. [2022-11-20 10:36:56,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 252 flow [2022-11-20 10:36:56,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 97 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:36:56,783 INFO L231 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2022-11-20 10:36:56,783 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2022-11-20 10:36:56,786 INFO L288 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2022-11-20 10:36:56,786 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2022-11-20 10:36:56,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-11-20 10:36:56,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-11-20 10:36:56,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-11-20 10:36:56,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-11-20 10:36:56,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-11-20 10:36:56,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-11-20 10:36:56,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2022-11-20 10:36:56,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2022-11-20 10:36:56,793 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2022-11-20 10:36:56,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2022-11-20 10:36:56,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2022-11-20 10:36:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-11-20 10:36:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-11-20 10:36:56,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-11-20 10:36:56,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-11-20 10:36:56,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-11-20 10:36:56,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-11-20 10:36:56,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-11-20 10:36:56,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-11-20 10:36:56,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2022-11-20 10:36:56,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2022-11-20 10:36:56,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2022-11-20 10:36:56,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2022-11-20 10:36:56,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-11-20 10:36:56,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2022-11-20 10:36:56,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2022-11-20 10:36:56,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2022-11-20 10:36:56,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2022-11-20 10:36:56,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2022-11-20 10:36:56,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2022-11-20 10:36:56,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2022-11-20 10:36:56,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2022-11-20 10:36:56,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-11-20 10:36:56,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-11-20 10:36:56,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-11-20 10:36:56,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-11-20 10:36:56,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-11-20 10:36:56,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-11-20 10:36:56,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-11-20 10:36:56,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-11-20 10:36:56,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-11-20 10:36:56,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:36:56,820 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:36:56,828 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:36:56,828 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:36:56,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:36:56 BasicIcfg [2022-11-20 10:36:56,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:36:56,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:36:56,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:36:56,849 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:36:56,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:53" (3/4) ... [2022-11-20 10:36:56,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:36:56,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 10:36:56,860 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 10:36:56,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-20 10:36:56,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2022-11-20 10:36:56,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 10:36:56,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:36:56,882 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:36:56,933 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:36:56,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:36:56,934 INFO L158 Benchmark]: Toolchain (without parser) took 5040.56ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 65.0MB in the beginning and 138.9MB in the end (delta: -73.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,935 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 78.5MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:36:56,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.77ms. Allocated memory is still 123.7MB. Free memory was 64.8MB in the beginning and 84.8MB in the end (delta: -20.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.41ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 82.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,936 INFO L158 Benchmark]: Boogie Preprocessor took 65.23ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:36:56,936 INFO L158 Benchmark]: RCFGBuilder took 882.48ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 51.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,937 INFO L158 Benchmark]: TraceAbstraction took 3182.71ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 50.9MB in the beginning and 143.1MB in the end (delta: -92.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,937 INFO L158 Benchmark]: Witness Printer took 90.72ms. Allocated memory is still 218.1MB. Free memory was 143.1MB in the beginning and 138.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:36:56,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 78.5MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.77ms. Allocated memory is still 123.7MB. Free memory was 64.8MB in the beginning and 84.8MB in the end (delta: -20.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.41ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 82.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.23ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 81.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 882.48ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 51.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3182.71ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 50.9MB in the beginning and 143.1MB in the end (delta: -92.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 90.72ms. Allocated memory is still 218.1MB. Free memory was 143.1MB in the beginning and 138.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 154 locations, 40 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 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 - AllSpecificationsHoldResult: All specifications hold 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:36:56,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ccd7510-c372-42d1-af60-6db087a46c16/bin/uautomizer-ug76WZFUDN/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 Result: TRUE