./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- 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 15:56:15,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:56:15,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:56:15,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:56:15,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:56:15,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:56:15,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:56:15,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:56:15,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:56:15,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:56:15,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:56:15,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:56:15,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:56:15,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:56:15,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:56:15,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:56:15,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:56:15,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:56:15,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:56:15,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:56:15,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:56:15,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:56:15,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:56:15,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:56:15,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:56:15,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:56:15,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:56:15,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:56:15,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:56:15,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:56:15,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:56:15,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:56:15,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:56:15,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:56:15,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:56:15,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:56:15,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:56:15,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:56:15,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:56:15,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:56:15,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:56:15,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 15:56:15,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:56:15,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:56:15,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:56:15,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:56:15,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:56:15,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:56:15,230 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:56:15,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:56:15,230 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:56:15,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:56:15,232 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:56:15,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:56:15,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:56:15,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:56:15,233 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:56:15,233 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:56:15,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:56:15,233 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:56:15,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:56:15,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:56:15,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:56:15,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:56:15,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:56:15,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:56:15,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:56:15,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:56:15,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:56:15,237 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 15:56:15,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:56:15,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:56:15,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:56:15,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:56:15,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:56:15,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:56:15,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:56:15,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:56:15,239 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:56:15,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:56:15,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:56:15,240 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:56:15,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:56:15,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:56:15,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:56:15,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2022-11-23 15:56:15,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:56:15,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:56:15,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:56:15,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:56:15,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:56:15,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-23 15:56:18,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:56:19,260 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:56:19,282 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-23 15:56:19,307 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/data/cfd6d453c/c2f582212f3e448e8387707c7007a0e6/FLAG1021ae016 [2022-11-23 15:56:19,331 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/data/cfd6d453c/c2f582212f3e448e8387707c7007a0e6 [2022-11-23 15:56:19,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:56:19,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:56:19,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:56:19,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:56:19,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:56:19,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:19" (1/1) ... [2022-11-23 15:56:19,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f2fa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:19, skipping insertion in model container [2022-11-23 15:56:19,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:19" (1/1) ... [2022-11-23 15:56:19,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:56:19,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:56:20,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:56:20,164 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:56:20,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:56:20,381 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:56:20,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20 WrapperNode [2022-11-23 15:56:20,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:56:20,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:56:20,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:56:20,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:56:20,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,525 INFO L138 Inliner]: procedures = 370, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 328 [2022-11-23 15:56:20,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:56:20,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:56:20,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:56:20,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:56:20,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:56:20,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:56:20,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:56:20,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:56:20,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (1/1) ... [2022-11-23 15:56:20,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:56:20,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:20,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:56:20,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d01a59-27c1-4646-a1f8-9a28f840f9d3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:56:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:56:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:56:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:56:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:56:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:56:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 15:56:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:56:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:56:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:56:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 15:56:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 15:56:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:56:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:56:20,777 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 15:56:21,073 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:56:21,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:56:22,041 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:56:22,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:56:22,054 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:56:22,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22 BoogieIcfgContainer [2022-11-23 15:56:22,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:56:22,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:56:22,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:56:22,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:56:22,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:56:19" (1/3) ... [2022-11-23 15:56:22,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51105fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:22, skipping insertion in model container [2022-11-23 15:56:22,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:20" (2/3) ... [2022-11-23 15:56:22,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51105fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:22, skipping insertion in model container [2022-11-23 15:56:22,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22" (3/3) ... [2022-11-23 15:56:22,068 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2022-11-23 15:56:22,079 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 15:56:22,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:56:22,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-23 15:56:22,136 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 15:56:22,235 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 15:56:22,282 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 15:56:22,317 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 399 transitions, 803 flow [2022-11-23 15:56:22,328 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 399 transitions, 803 flow [2022-11-23 15:56:22,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 398 places, 399 transitions, 803 flow [2022-11-23 15:56:22,492 INFO L130 PetriNetUnfolder]: 5/398 cut-off events. [2022-11-23 15:56:22,492 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 15:56:22,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 398 events. 5/398 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 272. Up to 2 conditions per place. [2022-11-23 15:56:22,504 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-23 15:57:28,148 WARN L233 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 125 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:57:37,558 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 125 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:57:59,243 WARN L233 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:58:04,347 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:58:11,812 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:58:16,951 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:58:57,820 WARN L233 SmtUtils]: Spent 40.86s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 15:59:30,431 WARN L233 SmtUtils]: Spent 32.61s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:00:08,756 WARN L233 SmtUtils]: Spent 38.32s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:00:47,241 WARN L233 SmtUtils]: Spent 38.48s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:00:56,905 WARN L233 SmtUtils]: Spent 9.63s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:01:04,913 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:01:15,772 WARN L233 SmtUtils]: Spent 10.86s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:01:23,509 WARN L233 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:02:17,610 WARN L233 SmtUtils]: Spent 53.86s on a formula simplification. DAG size of input: 178 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:02:35,160 WARN L233 SmtUtils]: Spent 17.55s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:03:26,030 WARN L233 SmtUtils]: Spent 50.87s on a formula simplification. DAG size of input: 178 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:03:42,515 WARN L233 SmtUtils]: Spent 16.48s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:03:49,697 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:04:00,007 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:04:53,946 WARN L233 SmtUtils]: Spent 49.89s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:05:25,457 WARN L233 SmtUtils]: Spent 31.51s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:07:18,172 WARN L233 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 250 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:08:22,665 WARN L233 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 243 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 16:11:27,670 WARN L233 SmtUtils]: Spent 3.07m on a formula simplification. DAG size of input: 276 DAG size of output: 272 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)