./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS --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 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad --- 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-4e7fbc6 [2022-11-23 01:49:15,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:49:15,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:49:15,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:49:15,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:49:15,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:49:15,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:49:15,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:49:15,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:49:15,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:49:15,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:49:15,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:49:15,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:49:15,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:49:15,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:49:15,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:49:15,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:49:15,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:49:15,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:49:15,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:49:15,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:49:15,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:49:15,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:49:15,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:49:15,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:49:15,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:49:15,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:49:15,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:49:15,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:49:15,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:49:15,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:49:15,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:49:15,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:49:15,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:49:15,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:49:15,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:49:15,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:49:15,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:49:15,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:49:15,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:49:15,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:49:15,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 01:49:15,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:49:15,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:49:15,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:49:15,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:49:15,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:49:15,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:49:15,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:49:15,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:49:15,727 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:49:15,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:49:15,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:49:15,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:49:15,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:49:15,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:49:15,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:49:15,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:49:15,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:49:15,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:49:15,730 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 01:49:15,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:49:15,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:49:15,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:49:15,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:49:15,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:49:15,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:49:15,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:49:15,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:49:15,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:49:15,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:49:15,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:49:15,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:49:15,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:49:15,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:49:15,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:49:15,733 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:49:15,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:49:15,734 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_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9672e6ae87a72de159ae3bc4275af34a3d8ca73d27f8f7f38f7b3aa006285dad [2022-11-23 01:49:15,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:49:15,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:49:15,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:49:15,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:49:15,969 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:49:15,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2022-11-23 01:49:18,944 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:49:19,198 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:49:19,199 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/sv-benchmarks/c/goblint-regression/10-synch_03-two_unique.i [2022-11-23 01:49:19,226 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/data/aa99e85ae/dfaa0292e87247d1b7ebf8c294661553/FLAGc1ff65c0f [2022-11-23 01:49:19,244 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/data/aa99e85ae/dfaa0292e87247d1b7ebf8c294661553 [2022-11-23 01:49:19,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:49:19,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:49:19,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:49:19,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:49:19,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:49:19,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fce321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19, skipping insertion in model container [2022-11-23 01:49:19,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:49:19,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:49:19,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:49:19,787 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:49:19,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:49:19,904 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:49:19,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19 WrapperNode [2022-11-23 01:49:19,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:49:19,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:49:19,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:49:19,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:49:19,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,943 INFO L138 Inliner]: procedures = 260, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-11-23 01:49:19,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:49:19,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:49:19,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:49:19,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:49:19,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:49:19,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:49:19,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:49:19,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:49:19,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (1/1) ... [2022-11-23 01:49:19,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:49:19,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:49:20,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:49:20,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:49:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-11-23 01:49:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-11-23 01:49:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-11-23 01:49:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-11-23 01:49:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:49:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:49:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:49:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:49:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:49:20,068 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 01:49:20,267 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:49:20,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:49:20,435 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:49:20,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:49:20,441 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 01:49:20,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:20 BoogieIcfgContainer [2022-11-23 01:49:20,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:49:20,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:49:20,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:49:20,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:49:20,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:49:19" (1/3) ... [2022-11-23 01:49:20,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83783d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:49:20, skipping insertion in model container [2022-11-23 01:49:20,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:19" (2/3) ... [2022-11-23 01:49:20,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f83783d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:49:20, skipping insertion in model container [2022-11-23 01:49:20,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:20" (3/3) ... [2022-11-23 01:49:20,460 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_03-two_unique.i [2022-11-23 01:49:20,477 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 01:49:20,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:49:20,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 01:49:20,488 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 01:49:20,565 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 01:49:20,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 52 transitions, 114 flow [2022-11-23 01:49:20,715 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-11-23 01:49:20,715 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:49:20,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 50 events. 0/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 01:49:20,723 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 52 transitions, 114 flow [2022-11-23 01:49:20,727 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 50 transitions, 106 flow [2022-11-23 01:49:20,730 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 01:49:20,752 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 50 transitions, 106 flow [2022-11-23 01:49:20,756 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 50 transitions, 106 flow [2022-11-23 01:49:20,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 50 transitions, 106 flow [2022-11-23 01:49:20,789 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-11-23 01:49:20,789 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:49:20,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 50 events. 0/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 01:49:20,791 INFO L119 LiptonReduction]: Number of co-enabled transitions 630 [2022-11-23 01:49:22,263 INFO L134 LiptonReduction]: Checked pairs total: 456 [2022-11-23 01:49:22,264 INFO L136 LiptonReduction]: Total number of compositions: 46 [2022-11-23 01:49:22,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:49:22,300 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;@7941dd9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:49:22,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-23 01:49:22,304 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-11-23 01:49:22,304 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 01:49:22,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 01:49:22,306 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-11-23 01:49:22,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-23 01:49:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:49:22,311 INFO L85 PathProgramCache]: Analyzing trace with hash 196109, now seen corresponding path program 1 times [2022-11-23 01:49:22,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:49:22,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989089072] [2022-11-23 01:49:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:49:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:49:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:49:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:49:22,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:49:22,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989089072] [2022-11-23 01:49:22,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989089072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:49:22,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:49:22,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 01:49:22,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378208408] [2022-11-23 01:49:22,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:49:22,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:49:22,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:49:22,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:49:22,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:49:22,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 98 [2022-11-23 01:49:22,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 9 transitions, 24 flow. Second operand has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2022-11-23 01:49:22,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 01:49:22,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 98 [2022-11-23 01:49:22,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 01:49:22,524 INFO L130 PetriNetUnfolder]: 7/20 cut-off events. [2022-11-23 01:49:22,525 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 01:49:22,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 20 events. 7/20 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 7 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 40. Up to 21 conditions per place. [2022-11-23 01:49:22,526 INFO L137 encePairwiseOnDemand]: 96/98 looper letters, 0 selfloop transitions, 0 changer transitions 7/7 dead transitions. [2022-11-23 01:49:22,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 7 transitions, 34 flow [2022-11-23 01:49:22,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:49:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-23 01:49:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 109 transitions. [2022-11-23 01:49:22,538 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5561224489795918 [2022-11-23 01:49:22,539 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 109 transitions. [2022-11-23 01:49:22,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 109 transitions. [2022-11-23 01:49:22,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:49:22,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 109 transitions. [2022-11-23 01:49:22,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-11-23 01:49:22,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2022-11-23 01:49:22,548 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2022-11-23 01:49:22,550 INFO L175 Difference]: Start difference. First operand has 16 places, 9 transitions, 24 flow. Second operand 2 states and 109 transitions. [2022-11-23 01:49:22,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 7 transitions, 34 flow [2022-11-23 01:49:22,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 7 transitions, 32 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 01:49:22,553 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2022-11-23 01:49:22,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=12, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2022-11-23 01:49:22,558 INFO L288 CegarLoopForPetriNet]: 16 programPoint places, -3 predicate places. [2022-11-23 01:49:22,559 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2022-11-23 01:49:22,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2022-11-23 01:49:22,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2022-11-23 01:49:22,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-11-23 01:49:22,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-23 01:49:22,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-11-23 01:49:22,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-23 01:49:22,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-23 01:49:22,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:49:22,563 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 01:49:22,569 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 01:49:22,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:49:22,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:49:22 BasicIcfg [2022-11-23 01:49:22,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:49:22,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:49:22,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:49:22,573 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:49:22,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:20" (3/4) ... [2022-11-23 01:49:22,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:49:22,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-11-23 01:49:22,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-11-23 01:49:22,585 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 01:49:22,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 01:49:22,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 01:49:22,613 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:49:22,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:49:22,614 INFO L158 Benchmark]: Toolchain (without parser) took 3363.47ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 61.2MB in the beginning and 120.6MB in the end (delta: -59.4MB). Peak memory consumption was 928.7kB. Max. memory is 16.1GB. [2022-11-23 01:49:22,615 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:49:22,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.68ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 61.0MB in the beginning and 141.7MB in the end (delta: -80.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.48ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,616 INFO L158 Benchmark]: Boogie Preprocessor took 20.94ms. Allocated memory is still 184.5MB. Free memory was 139.7MB in the beginning and 138.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,617 INFO L158 Benchmark]: RCFGBuilder took 477.83ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 126.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,617 INFO L158 Benchmark]: TraceAbstraction took 2126.77ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 123.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,618 INFO L158 Benchmark]: Witness Printer took 40.60ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:49:22,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.68ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 61.0MB in the beginning and 141.7MB in the end (delta: -80.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.48ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 139.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.94ms. Allocated memory is still 184.5MB. Free memory was 139.7MB in the beginning and 138.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.83ms. Allocated memory is still 184.5MB. Free memory was 138.1MB in the beginning and 126.5MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2126.77ms. Allocated memory is still 184.5MB. Free memory was 126.0MB in the beginning and 123.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. * Witness Printer took 40.60ms. Allocated memory is still 184.5MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.5s, 57 PlacesBefore, 16 PlacesAfterwards, 50 TransitionsBefore, 9 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 5 FixpointIterations, 14 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 46 TotalNumberOfCompositions, 456 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 456, independent: 456, independent conditional: 0, independent unconditional: 456, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 382, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 382, independent: 382, independent conditional: 0, independent unconditional: 382, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 456, independent: 74, independent conditional: 0, independent unconditional: 74, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 382, unknown conditional: 0, unknown unconditional: 382] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 920]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: 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 5 procedures, 75 locations, 6 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: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 01:49:22,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03dc836e-39d0-4500-8388-126e24c5456a/bin/uautomizer-QkZJyEgLgS/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