./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 38b53e6a 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_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/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_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur --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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- 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-38b53e6 [2022-11-26 00:36:03,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:36:03,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:36:03,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:36:03,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:36:03,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:36:03,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:36:03,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:36:03,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:36:03,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:36:03,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:36:03,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:36:03,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:36:03,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:36:03,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:36:03,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:36:03,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:36:03,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:36:03,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:36:03,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:36:03,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:36:03,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:36:03,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:36:03,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:36:03,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:36:03,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:36:03,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:36:03,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:36:03,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:36:03,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:36:03,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:36:03,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:36:03,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:36:03,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:36:03,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:36:03,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:36:03,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:36:03,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:36:03,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:36:03,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:36:03,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:36:03,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:36:03,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:36:03,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:36:03,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:36:03,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:36:03,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:36:03,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:36:03,741 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:36:03,742 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:36:03,742 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:36:03,742 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:36:03,743 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:36:03,744 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:36:03,744 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:36:03,744 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:36:03,744 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:36:03,745 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:36:03,745 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:36:03,745 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:36:03,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:36:03,746 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:36:03,746 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:36:03,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:36:03,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:36:03,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:36:03,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:36:03,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:36:03,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:36:03,748 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:36:03,748 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:36:03,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:36:03,749 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:36:03,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:36:03,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:36:03,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:36:03,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:36:03,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:36:03,751 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:36:03,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:36:03,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:36:03,751 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:36:03,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:36:03,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:36:03,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:36:03,752 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_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2022-11-26 00:36:04,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:36:04,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:36:04,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:36:04,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:36:04,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:36:04,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-26 00:36:07,404 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:36:07,704 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:36:07,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-11-26 00:36:07,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/data/74c65ee5c/282a389be0ca46c98b97d026f31e20c8/FLAG0b7ad3cd3 [2022-11-26 00:36:07,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/data/74c65ee5c/282a389be0ca46c98b97d026f31e20c8 [2022-11-26 00:36:07,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:36:07,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:36:07,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:07,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:36:07,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:36:07,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:07" (1/1) ... [2022-11-26 00:36:07,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539ed66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:07, skipping insertion in model container [2022-11-26 00:36:07,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:36:07" (1/1) ... [2022-11-26 00:36:07,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:36:07,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:36:08,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:08,686 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:36:08,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:36:08,854 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:36:08,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08 WrapperNode [2022-11-26 00:36:08,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:36:08,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:08,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:36:08,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:36:08,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:08,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:08,955 INFO L138 Inliner]: procedures = 370, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 353 [2022-11-26 00:36:08,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:36:08,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:36:08,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:36:08,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:36:08,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:08,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:08,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:08,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,041 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:36:09,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:36:09,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:36:09,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:36:09,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (1/1) ... [2022-11-26 00:36:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:36:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:36:09,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:36:09,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_154eca8d-97f5-4dc1-9152-fd679d77363e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:36:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:36:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-26 00:36:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-26 00:36:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:36:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:36:09,156 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:36:09,309 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:36:09,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:36:10,151 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:36:10,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:36:10,172 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:36:10,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:10 BoogieIcfgContainer [2022-11-26 00:36:10,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:36:10,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:36:10,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:36:10,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:36:10,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:36:07" (1/3) ... [2022-11-26 00:36:10,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3305ccd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:10, skipping insertion in model container [2022-11-26 00:36:10,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:36:08" (2/3) ... [2022-11-26 00:36:10,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3305ccd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:36:10, skipping insertion in model container [2022-11-26 00:36:10,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:36:10" (3/3) ... [2022-11-26 00:36:10,187 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2022-11-26 00:36:10,196 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:36:10,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:36:10,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-26 00:36:10,207 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:36:10,323 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:36:10,383 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:36:10,409 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 430 transitions, 865 flow [2022-11-26 00:36:10,415 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 430 transitions, 865 flow [2022-11-26 00:36:10,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 430 transitions, 865 flow [2022-11-26 00:36:10,652 INFO L130 PetriNetUnfolder]: 5/429 cut-off events. [2022-11-26 00:36:10,652 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:36:10,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 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. 0/394 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2022-11-26 00:36:10,698 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-26 00:37:37,315 WARN L233 SmtUtils]: Spent 16.38s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:37:45,781 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:01,355 WARN L233 SmtUtils]: Spent 15.57s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:08,574 WARN L233 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 149 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:21,931 WARN L233 SmtUtils]: Spent 13.35s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:29,954 WARN L233 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:43,545 WARN L233 SmtUtils]: Spent 13.59s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:38:51,935 WARN L233 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:39:20,958 WARN L233 SmtUtils]: Spent 28.97s on a formula simplification. DAG size of input: 168 DAG size of output: 164 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:39:30,287 WARN L233 SmtUtils]: Spent 9.33s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:40:16,698 WARN L233 SmtUtils]: Spent 46.41s on a formula simplification. DAG size of input: 168 DAG size of output: 164 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:40:33,925 WARN L233 SmtUtils]: Spent 17.22s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:41:22,316 WARN L233 SmtUtils]: Spent 48.38s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:41:35,273 WARN L233 SmtUtils]: Spent 12.95s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:41:59,211 WARN L233 SmtUtils]: Spent 23.94s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:42:09,996 WARN L233 SmtUtils]: Spent 10.78s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:42:37,684 WARN L233 SmtUtils]: Spent 27.63s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:42:58,349 WARN L233 SmtUtils]: Spent 20.66s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:43:27,942 WARN L233 SmtUtils]: Spent 29.59s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:43:53,554 WARN L233 SmtUtils]: Spent 25.61s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:45:41,168 WARN L233 SmtUtils]: Spent 1.79m on a formula simplification that was a NOOP. DAG size: 278 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:46:48,555 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 264 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:48:06,137 WARN L233 SmtUtils]: Spent 1.29m on a formula simplification that was a NOOP. DAG size: 278 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:49:11,705 WARN L233 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 264 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:51:01,066 WARN L233 SmtUtils]: Spent 1.82m on a formula simplification that was a NOOP. DAG size: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)