./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:24:36,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:24:36,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:24:37,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:24:37,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:24:37,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:24:37,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:24:37,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:24:37,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:24:37,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:24:37,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:24:37,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:24:37,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:24:37,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:24:37,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:24:37,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:24:37,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:24:37,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:24:37,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:24:37,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:24:37,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:24:37,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:24:37,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:24:37,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:24:37,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:24:37,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:24:37,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:24:37,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:24:37,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:24:37,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:24:37,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:24:37,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:24:37,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:24:37,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:24:37,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:24:37,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:24:37,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:24:37,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:24:37,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:24:37,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:24:37,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:24:37,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 22:24:37,051 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:24:37,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:24:37,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:24:37,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:24:37,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:24:37,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:24:37,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:24:37,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:24:37,054 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:24:37,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:24:37,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:24:37,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:24:37,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:24:37,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:24:37,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:24:37,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:24:37,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:24:37,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:24:37,056 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 22:24:37,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:24:37,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:24:37,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:24:37,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:24:37,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:24:37,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:24:37,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:24:37,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:24:37,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:24:37,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:24:37,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:24:37,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:24:37,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:24:37,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:24:37,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:24:37,059 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:24:37,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:24:37,059 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:24:37,059 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_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 [2022-12-13 22:24:37,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:24:37,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:24:37,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:24:37,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:24:37,288 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:24:37,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i [2022-12-13 22:24:39,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:24:40,009 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:24:40,010 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/sv-benchmarks/c/goblint-regression/04-mutex_22-deref_read.i [2022-12-13 22:24:40,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/data/4c48015fc/0e70d3f211e44f0e85e376e49102984d/FLAGfc9293078 [2022-12-13 22:24:40,028 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/data/4c48015fc/0e70d3f211e44f0e85e376e49102984d [2022-12-13 22:24:40,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:24:40,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:24:40,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:24:40,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:24:40,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:24:40,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3808b3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40, skipping insertion in model container [2022-12-13 22:24:40,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:24:40,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:24:40,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:24:40,290 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:24:40,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:24:40,337 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:24:40,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40 WrapperNode [2022-12-13 22:24:40,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:24:40,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:24:40,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:24:40,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:24:40,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,365 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-12-13 22:24:40,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:24:40,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:24:40,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:24:40,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:24:40,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:24:40,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:24:40,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:24:40,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:24:40,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (1/1) ... [2022-12-13 22:24:40,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:24:40,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:24:40,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:24:40,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:24:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:24:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 22:24:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:24:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:24:40,441 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 22:24:40,441 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 22:24:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:24:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:24:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:24:40,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:24:40,444 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 22:24:40,552 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:24:40,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:24:40,697 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:24:40,702 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:24:40,702 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:24:40,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:24:40 BoogieIcfgContainer [2022-12-13 22:24:40,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:24:40,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:24:40,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:24:40,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:24:40,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:24:40" (1/3) ... [2022-12-13 22:24:40,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e99e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:24:40, skipping insertion in model container [2022-12-13 22:24:40,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:24:40" (2/3) ... [2022-12-13 22:24:40,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e99e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:24:40, skipping insertion in model container [2022-12-13 22:24:40,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:24:40" (3/3) ... [2022-12-13 22:24:40,710 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2022-12-13 22:24:40,718 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:24:40,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:24:40,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 22:24:40,727 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:24:40,767 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:24:40,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 76 transitions, 157 flow [2022-12-13 22:24:40,825 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-12-13 22:24:40,825 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:24:40,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 22:24:40,828 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 76 transitions, 157 flow [2022-12-13 22:24:40,831 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 75 transitions, 153 flow [2022-12-13 22:24:40,834 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:24:40,843 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 75 transitions, 153 flow [2022-12-13 22:24:40,845 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 75 transitions, 153 flow [2022-12-13 22:24:40,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 75 transitions, 153 flow [2022-12-13 22:24:40,860 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-12-13 22:24:40,860 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:24:40,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-13 22:24:40,862 INFO L119 LiptonReduction]: Number of co-enabled transitions 1152 [2022-12-13 22:24:42,098 INFO L134 LiptonReduction]: Checked pairs total: 4424 [2022-12-13 22:24:42,099 INFO L136 LiptonReduction]: Total number of compositions: 52 [2022-12-13 22:24:42,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:24:42,117 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;@50cbfb6d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:24:42,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 22:24:42,120 INFO L130 PetriNetUnfolder]: 0/4 cut-off events. [2022-12-13 22:24:42,121 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:24:42,121 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:24:42,121 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 22:24:42,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 22:24:42,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:42,126 INFO L85 PathProgramCache]: Analyzing trace with hash 249615, now seen corresponding path program 1 times [2022-12-13 22:24:42,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:42,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480235650] [2022-12-13 22:24:42,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:42,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:24:42,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:42,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480235650] [2022-12-13 22:24:42,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480235650] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:42,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:42,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:24:42,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221886694] [2022-12-13 22:24:42,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:42,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:24:42,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:42,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:24:42,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:24:42,293 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 128 [2022-12-13 22:24:42,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 59 flow. Second operand has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:24:42,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 128 [2022-12-13 22:24:42,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:24:42,341 INFO L130 PetriNetUnfolder]: 30/114 cut-off events. [2022-12-13 22:24:42,341 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:24:42,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 114 events. 30/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 412 event pairs, 30 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 183. Up to 74 conditions per place. [2022-12-13 22:24:42,344 INFO L137 encePairwiseOnDemand]: 126/128 looper letters, 13 selfloop transitions, 0 changer transitions 0/26 dead transitions. [2022-12-13 22:24:42,344 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 81 flow [2022-12-13 22:24:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:24:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 22:24:42,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 165 transitions. [2022-12-13 22:24:42,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.64453125 [2022-12-13 22:24:42,357 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 165 transitions. [2022-12-13 22:24:42,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 165 transitions. [2022-12-13 22:24:42,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:24:42,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 165 transitions. [2022-12-13 22:24:42,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 82.5) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,367 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,369 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 59 flow. Second operand 2 states and 165 transitions. [2022-12-13 22:24:42,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 81 flow [2022-12-13 22:24:42,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 26 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:24:42,373 INFO L231 Difference]: Finished difference. Result has 30 places, 26 transitions, 54 flow [2022-12-13 22:24:42,374 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=54, PETRI_PLACES=30, PETRI_TRANSITIONS=26} [2022-12-13 22:24:42,377 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places. [2022-12-13 22:24:42,377 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 54 flow [2022-12-13 22:24:42,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,378 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:24:42,378 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 22:24:42,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:24:42,378 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 22:24:42,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 7737934, now seen corresponding path program 1 times [2022-12-13 22:24:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:42,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612096869] [2022-12-13 22:24:42,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:24:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:42,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612096869] [2022-12-13 22:24:42,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612096869] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:42,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:42,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:24:42,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548716746] [2022-12-13 22:24:42,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:42,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:24:42,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:42,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:24:42,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:24:42,436 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 128 [2022-12-13 22:24:42,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:24:42,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 128 [2022-12-13 22:24:42,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:24:42,472 INFO L130 PetriNetUnfolder]: 36/131 cut-off events. [2022-12-13 22:24:42,472 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:24:42,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 131 events. 36/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 478 event pairs, 25 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 219. Up to 83 conditions per place. [2022-12-13 22:24:42,473 INFO L137 encePairwiseOnDemand]: 124/128 looper letters, 15 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2022-12-13 22:24:42,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 27 transitions, 90 flow [2022-12-13 22:24:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:24:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:24:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2022-12-13 22:24:42,476 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5885416666666666 [2022-12-13 22:24:42,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 226 transitions. [2022-12-13 22:24:42,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 226 transitions. [2022-12-13 22:24:42,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:24:42,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 226 transitions. [2022-12-13 22:24:42,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,480 INFO L175 Difference]: Start difference. First operand has 30 places, 26 transitions, 54 flow. Second operand 3 states and 226 transitions. [2022-12-13 22:24:42,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 27 transitions, 90 flow [2022-12-13 22:24:42,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 27 transitions, 90 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:24:42,481 INFO L231 Difference]: Finished difference. Result has 31 places, 26 transitions, 64 flow [2022-12-13 22:24:42,482 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=31, PETRI_TRANSITIONS=26} [2022-12-13 22:24:42,482 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -1 predicate places. [2022-12-13 22:24:42,482 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 64 flow [2022-12-13 22:24:42,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,483 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:24:42,483 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:24:42,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:24:42,483 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 22:24:42,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:42,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1288590721, now seen corresponding path program 1 times [2022-12-13 22:24:42,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:42,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244464467] [2022-12-13 22:24:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:42,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:24:42,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:42,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244464467] [2022-12-13 22:24:42,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244464467] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:42,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:42,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:24:42,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602586514] [2022-12-13 22:24:42,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:42,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:24:42,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:42,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:24:42,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:24:42,838 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 128 [2022-12-13 22:24:42,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 64 flow. Second operand has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:24:42,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 128 [2022-12-13 22:24:42,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:24:42,976 INFO L130 PetriNetUnfolder]: 92/230 cut-off events. [2022-12-13 22:24:42,976 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-13 22:24:42,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 230 events. 92/230 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 876 event pairs, 34 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 462. Up to 149 conditions per place. [2022-12-13 22:24:42,978 INFO L137 encePairwiseOnDemand]: 118/128 looper letters, 37 selfloop transitions, 21 changer transitions 4/66 dead transitions. [2022-12-13 22:24:42,978 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 66 transitions, 276 flow [2022-12-13 22:24:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:24:42,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:24:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 433 transitions. [2022-12-13 22:24:42,982 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5638020833333334 [2022-12-13 22:24:42,982 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 433 transitions. [2022-12-13 22:24:42,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 433 transitions. [2022-12-13 22:24:42,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:24:42,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 433 transitions. [2022-12-13 22:24:42,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,987 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,987 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 64 flow. Second operand 6 states and 433 transitions. [2022-12-13 22:24:42,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 66 transitions, 276 flow [2022-12-13 22:24:42,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 66 transitions, 276 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:24:42,989 INFO L231 Difference]: Finished difference. Result has 40 places, 46 transitions, 188 flow [2022-12-13 22:24:42,989 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=40, PETRI_TRANSITIONS=46} [2022-12-13 22:24:42,990 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 8 predicate places. [2022-12-13 22:24:42,990 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 46 transitions, 188 flow [2022-12-13 22:24:42,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.5) internal successors, (381), 6 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:42,991 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:24:42,991 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:24:42,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:24:42,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 22:24:42,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash -935331264, now seen corresponding path program 1 times [2022-12-13 22:24:42,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:42,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077347870] [2022-12-13 22:24:42,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:42,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:24:43,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:43,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077347870] [2022-12-13 22:24:43,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077347870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:43,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:43,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:24:43,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882128881] [2022-12-13 22:24:43,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:43,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:24:43,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:43,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:24:43,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:24:43,244 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 128 [2022-12-13 22:24:43,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 46 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:24:43,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 128 [2022-12-13 22:24:43,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:24:43,357 INFO L130 PetriNetUnfolder]: 136/314 cut-off events. [2022-12-13 22:24:43,357 INFO L131 PetriNetUnfolder]: For 107/112 co-relation queries the response was YES. [2022-12-13 22:24:43,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 314 events. 136/314 cut-off events. For 107/112 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1268 event pairs, 34 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 889. Up to 227 conditions per place. [2022-12-13 22:24:43,360 INFO L137 encePairwiseOnDemand]: 117/128 looper letters, 46 selfloop transitions, 26 changer transitions 12/87 dead transitions. [2022-12-13 22:24:43,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 87 transitions, 511 flow [2022-12-13 22:24:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:24:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 22:24:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 419 transitions. [2022-12-13 22:24:43,363 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5455729166666666 [2022-12-13 22:24:43,363 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 419 transitions. [2022-12-13 22:24:43,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 419 transitions. [2022-12-13 22:24:43,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:24:43,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 419 transitions. [2022-12-13 22:24:43,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.83333333333333) internal successors, (419), 6 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,367 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,367 INFO L175 Difference]: Start difference. First operand has 40 places, 46 transitions, 188 flow. Second operand 6 states and 419 transitions. [2022-12-13 22:24:43,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 87 transitions, 511 flow [2022-12-13 22:24:43,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 87 transitions, 511 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:24:43,372 INFO L231 Difference]: Finished difference. Result has 50 places, 67 transitions, 402 flow [2022-12-13 22:24:43,372 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=402, PETRI_PLACES=50, PETRI_TRANSITIONS=67} [2022-12-13 22:24:43,373 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 18 predicate places. [2022-12-13 22:24:43,373 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 67 transitions, 402 flow [2022-12-13 22:24:43,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,374 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:24:43,374 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:24:43,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:24:43,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 22:24:43,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:43,375 INFO L85 PathProgramCache]: Analyzing trace with hash -287906568, now seen corresponding path program 1 times [2022-12-13 22:24:43,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:43,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130892534] [2022-12-13 22:24:43,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:43,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:24:43,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:43,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130892534] [2022-12-13 22:24:43,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130892534] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:43,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:43,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:24:43,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342754988] [2022-12-13 22:24:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:43,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:24:43,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:43,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:24:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:24:43,448 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 128 [2022-12-13 22:24:43,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 67 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:24:43,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 128 [2022-12-13 22:24:43,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:24:43,472 INFO L130 PetriNetUnfolder]: 11/70 cut-off events. [2022-12-13 22:24:43,472 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2022-12-13 22:24:43,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 70 events. 11/70 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 145 event pairs, 2 based on Foata normal form. 7/77 useless extension candidates. Maximal degree in co-relation 209. Up to 30 conditions per place. [2022-12-13 22:24:43,472 INFO L137 encePairwiseOnDemand]: 124/128 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2022-12-13 22:24:43,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 27 transitions, 163 flow [2022-12-13 22:24:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:24:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:24:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2022-12-13 22:24:43,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5911458333333334 [2022-12-13 22:24:43,473 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions. [2022-12-13 22:24:43,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions. [2022-12-13 22:24:43,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:24:43,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions. [2022-12-13 22:24:43,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,475 INFO L175 Difference]: Start difference. First operand has 50 places, 67 transitions, 402 flow. Second operand 3 states and 227 transitions. [2022-12-13 22:24:43,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 27 transitions, 163 flow [2022-12-13 22:24:43,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 27 transitions, 107 flow, removed 9 selfloop flow, removed 19 redundant places. [2022-12-13 22:24:43,476 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2022-12-13 22:24:43,476 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2022-12-13 22:24:43,476 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -1 predicate places. [2022-12-13 22:24:43,477 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2022-12-13 22:24:43,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-12-13 22:24:43,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-12-13 22:24:43,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-12-13 22:24:43,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-12-13 22:24:43,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-12-13 22:24:43,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:24:43,480 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 22:24:43,484 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:24:43,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:24:43,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:24:43 BasicIcfg [2022-12-13 22:24:43,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:24:43,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:24:43,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:24:43,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:24:43,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:24:40" (3/4) ... [2022-12-13 22:24:43,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:24:43,493 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 22:24:43,496 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-13 22:24:43,496 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 22:24:43,496 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:24:43,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:24:43,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:24:43,518 INFO L158 Benchmark]: Toolchain (without parser) took 3487.29ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 87.8MB in the beginning and 116.9MB in the end (delta: -29.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,518 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:24:43,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.26ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 68.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:24:43,518 INFO L158 Benchmark]: Boogie Preprocessor took 16.72ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,519 INFO L158 Benchmark]: RCFGBuilder took 320.82ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 65.3MB in the beginning and 137.5MB in the end (delta: -72.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,519 INFO L158 Benchmark]: TraceAbstraction took 2781.42ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 120.0MB in the end (delta: 16.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,519 INFO L158 Benchmark]: Witness Printer took 30.30ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:24:43,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.26ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 68.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 125.8MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.72ms. Allocated memory is still 125.8MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.82ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 65.3MB in the beginning and 137.5MB in the end (delta: -72.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2781.42ms. Allocated memory is still 169.9MB. Free memory was 136.8MB in the beginning and 120.0MB in the end (delta: 16.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 30.30ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 116.9MB 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: 1.3s, 79 PlacesBefore, 32 PlacesAfterwards, 75 TransitionsBefore, 28 TransitionsAfterwards, 1152 CoEnabledTransitionPairs, 5 FixpointIterations, 23 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 52 TotalNumberOfCompositions, 4424 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1628, independent conditional: 0, independent unconditional: 1628, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 599, independent: 557, independent conditional: 0, independent unconditional: 557, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1882, independent: 1071, independent conditional: 0, independent unconditional: 1071, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 599, unknown conditional: 0, unknown unconditional: 599] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: 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 3 procedures, 97 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 398 IncrementalHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 3 mSDtfsCounter, 398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.6s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 22:24:43,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ded3b13-9e5e-4cf5-85d6-ac44fc76ea2c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE