./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI --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 e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 --- 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-5e519f3 [2022-11-03 02:18:23,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:18:23,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:18:23,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:18:23,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:18:23,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:18:23,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:18:23,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:18:23,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:18:23,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:18:23,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:18:23,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:18:23,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:18:23,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:18:23,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:18:23,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:18:23,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:18:23,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:18:23,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:18:23,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:18:23,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:18:23,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:18:23,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:18:23,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:18:23,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:18:23,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:18:23,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:18:23,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:18:23,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:18:23,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:18:23,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:18:23,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:18:23,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:18:23,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:18:23,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:18:23,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:18:23,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:18:23,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:18:23,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:18:23,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:18:23,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:18:23,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:18:23,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:18:23,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:18:23,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:18:23,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:18:23,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:18:23,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:18:23,598 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:18:23,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:18:23,599 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:18:23,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:18:23,600 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:18:23,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:18:23,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:18:23,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:18:23,601 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:18:23,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:18:23,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:18:23,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:18:23,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:18:23,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:18:23,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:18:23,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:18:23,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:18:23,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:18:23,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:18:23,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:18:23,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:18:23,607 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:18:23,607 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:18:23,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:18:23,608 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:18:23,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:18:23,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:18:23,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:18:23,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:18:23,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:18:23,610 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:18:23,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:18:23,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:18:23,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:18:23,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:18:23,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:18:23,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:18:23,611 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_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-11-03 02:18:23,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:18:24,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:18:24,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:18:24,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:18:24,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:18:24,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-03 02:18:24,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/data/7b565181c/87825af3bfdf4e79add6bb91b750da6d/FLAG741493604 [2022-11-03 02:18:24,749 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:18:24,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-03 02:18:24,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/data/7b565181c/87825af3bfdf4e79add6bb91b750da6d/FLAG741493604 [2022-11-03 02:18:24,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/data/7b565181c/87825af3bfdf4e79add6bb91b750da6d [2022-11-03 02:18:24,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:18:24,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:18:24,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:18:24,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:18:24,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:18:24,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:18:24" (1/1) ... [2022-11-03 02:18:24,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbd4821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:24, skipping insertion in model container [2022-11-03 02:18:25,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:18:24" (1/1) ... [2022-11-03 02:18:25,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:18:25,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:18:25,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:18:25,808 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:18:25,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:18:26,013 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:18:26,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26 WrapperNode [2022-11-03 02:18:26,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:18:26,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:18:26,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:18:26,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:18:26,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,134 INFO L138 Inliner]: procedures = 371, calls = 47, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 448 [2022-11-03 02:18:26,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:18:26,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:18:26,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:18:26,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:18:26,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:18:26,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:18:26,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:18:26,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:18:26,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (1/1) ... [2022-11-03 02:18:26,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:18:26,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:18:26,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:18:26,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bedc0535-4747-47d6-b2de-8db2585ff070/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:18:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:18:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:18:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:18:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:18:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:18:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 02:18:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:18:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:18:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:18:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-03 02:18:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-03 02:18:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:18:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:18:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:18:26,400 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 02:18:26,594 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:18:26,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:18:27,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:18:27,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:18:27,893 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:18:27,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:18:27 BoogieIcfgContainer [2022-11-03 02:18:27,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:18:27,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:18:27,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:18:27,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:18:27,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:18:24" (1/3) ... [2022-11-03 02:18:27,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31092ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:18:27, skipping insertion in model container [2022-11-03 02:18:27,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:18:26" (2/3) ... [2022-11-03 02:18:27,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31092ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:18:27, skipping insertion in model container [2022-11-03 02:18:27,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:18:27" (3/3) ... [2022-11-03 02:18:27,910 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2022-11-03 02:18:27,927 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 02:18:27,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:18:27,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-03 02:18:27,940 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 02:18:28,093 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 02:18:28,160 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 02:18:28,180 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 545 transitions, 1095 flow [2022-11-03 02:18:28,186 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 545 transitions, 1095 flow [2022-11-03 02:18:28,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 544 places, 545 transitions, 1095 flow [2022-11-03 02:18:28,516 INFO L130 PetriNetUnfolder]: 5/544 cut-off events. [2022-11-03 02:18:28,517 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 02:18:28,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 544 events. 5/544 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 132 event pairs, 0 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 418. Up to 2 conditions per place. [2022-11-03 02:18:28,534 INFO L118 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-03 02:19:57,576 WARN L234 SmtUtils]: Spent 32.86s on a formula simplification. DAG size of input: 176 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:09,743 WARN L234 SmtUtils]: Spent 12.16s on a formula simplification that was a NOOP. DAG size: 158 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:41,851 WARN L234 SmtUtils]: Spent 32.10s on a formula simplification. DAG size of input: 176 DAG size of output: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:20:52,940 WARN L234 SmtUtils]: Spent 11.09s on a formula simplification that was a NOOP. DAG size: 158 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:02,088 WARN L234 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 139 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:12,710 WARN L234 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 139 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:39,823 WARN L234 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 143 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:50,638 WARN L234 SmtUtils]: Spent 8.23s on a formula simplification. DAG size of input: 143 DAG size of output: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:21:59,259 WARN L234 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:22:07,516 WARN L234 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:22:37,967 WARN L234 SmtUtils]: Spent 7.10s 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) [2022-11-03 02:22:48,392 WARN L234 SmtUtils]: Spent 5.84s 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) [2022-11-03 02:22:59,055 WARN L234 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:23:05,147 WARN L234 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:23:14,803 WARN L234 SmtUtils]: Spent 9.65s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:23:20,678 WARN L234 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:24:11,434 WARN L234 SmtUtils]: Spent 50.42s on a formula simplification. DAG size of input: 161 DAG size of output: 159 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:24:25,423 WARN L234 SmtUtils]: Spent 13.99s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:24:57,438 WARN L234 SmtUtils]: Spent 32.01s on a formula simplification. DAG size of input: 161 DAG size of output: 159 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:25:13,529 WARN L234 SmtUtils]: Spent 16.09s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:25:46,540 WARN L234 SmtUtils]: Spent 33.00s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:26:11,275 WARN L234 SmtUtils]: Spent 24.73s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:26:44,136 WARN L234 SmtUtils]: Spent 32.86s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:27:06,095 WARN L234 SmtUtils]: Spent 21.96s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:27:35,403 WARN L234 SmtUtils]: Spent 29.26s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:28:02,004 WARN L234 SmtUtils]: Spent 26.60s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:28:31,990 WARN L234 SmtUtils]: Spent 29.98s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:28:52,839 WARN L234 SmtUtils]: Spent 20.85s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:30:43,546 WARN L234 SmtUtils]: Spent 1.84m on a formula simplification. DAG size of input: 236 DAG size of output: 227 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:32:14,300 WARN L234 SmtUtils]: Spent 1.51m on a formula simplification that was a NOOP. DAG size: 221 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)