./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_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_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/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_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/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_86ed87bd-fcdd-4bca-986b-71264c7471d4/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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- 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 03:43:11,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:43:11,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:43:11,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:43:11,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:43:11,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:43:11,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:43:11,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:43:11,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:43:11,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:43:11,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:43:11,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:43:11,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:43:11,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:43:11,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:43:11,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:43:11,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:43:11,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:43:11,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:43:11,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:43:11,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:43:11,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:43:11,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:43:11,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:43:11,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:43:11,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:43:11,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:43:11,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:43:11,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:43:11,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:43:11,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:43:11,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:43:11,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:43:11,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:43:11,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:43:11,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:43:11,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:43:11,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:43:11,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:43:11,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:43:11,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:43:11,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:43:11,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:43:11,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:43:11,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:43:11,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:43:11,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:43:11,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:43:11,178 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:43:11,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:43:11,179 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:43:11,179 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:43:11,180 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:43:11,181 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:43:11,181 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:43:11,181 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:43:11,181 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:43:11,182 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:43:11,182 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:43:11,182 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:43:11,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:43:11,183 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:43:11,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:43:11,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:43:11,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:43:11,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:43:11,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:43:11,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:43:11,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:43:11,187 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:43:11,188 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:43:11,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:43:11,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:43:11,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:43:11,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:43:11,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:43:11,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:11,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:43:11,191 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:43:11,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:43:11,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:43:11,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:43:11,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:43:11,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:43:11,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:43:11,193 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_86ed87bd-fcdd-4bca-986b-71264c7471d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-03 03:43:11,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:43:11,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:43:11,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:43:11,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:43:11,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:43:11,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-03 03:43:11,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/data/9a43a6273/7e4296d347bd42c0866fd8a69672ccb8/FLAG2f4584bbf [2022-11-03 03:43:12,568 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:43:12,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-03 03:43:12,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/data/9a43a6273/7e4296d347bd42c0866fd8a69672ccb8/FLAG2f4584bbf [2022-11-03 03:43:12,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/data/9a43a6273/7e4296d347bd42c0866fd8a69672ccb8 [2022-11-03 03:43:12,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:43:12,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:43:12,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:12,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:43:12,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:43:12,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:12" (1/1) ... [2022-11-03 03:43:12,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3175e0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:12, skipping insertion in model container [2022-11-03 03:43:12,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:43:12" (1/1) ... [2022-11-03 03:43:12,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:43:12,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:43:13,541 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,542 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,544 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,545 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:13,599 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:43:13,680 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,685 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,686 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,687 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 03:43:13,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:43:13,773 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:43:13,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13 WrapperNode [2022-11-03 03:43:13,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:43:13,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:13,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:43:13,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:43:13,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,893 INFO L138 Inliner]: procedures = 273, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 256 [2022-11-03 03:43:13,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:43:13,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:43:13,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:43:13,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:43:13,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:13,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:43:13,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:43:13,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:43:13,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:43:13,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (1/1) ... [2022-11-03 03:43:14,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:43:14,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:14,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:43:14,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86ed87bd-fcdd-4bca-986b-71264c7471d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:43:14,099 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-03 03:43:14,100 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-03 03:43:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:43:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:43:14,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:43:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:43:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:43:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:43:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:43:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:43:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:43:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:43:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:43:14,104 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 03:43:14,346 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:43:14,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:43:15,286 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:43:15,300 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:43:15,300 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 03:43:15,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:15 BoogieIcfgContainer [2022-11-03 03:43:15,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:43:15,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:43:15,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:43:15,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:43:15,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:43:12" (1/3) ... [2022-11-03 03:43:15,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d91320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:15, skipping insertion in model container [2022-11-03 03:43:15,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:43:13" (2/3) ... [2022-11-03 03:43:15,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d91320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:43:15, skipping insertion in model container [2022-11-03 03:43:15,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:43:15" (3/3) ... [2022-11-03 03:43:15,318 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-03 03:43:15,333 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:43:15,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:43:15,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-03 03:43:15,347 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:43:15,555 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 03:43:15,642 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:43:15,665 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 373 transitions, 756 flow [2022-11-03 03:43:15,676 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 373 transitions, 756 flow [2022-11-03 03:43:15,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 373 transitions, 756 flow [2022-11-03 03:43:15,936 INFO L130 PetriNetUnfolder]: 17/371 cut-off events. [2022-11-03 03:43:15,937 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 03:43:15,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 371 events. 17/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 788 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-11-03 03:43:15,963 INFO L118 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-03 03:43:51,797 WARN L234 SmtUtils]: Spent 6.29s on a formula simplification. DAG size of input: 103 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:44:00,695 WARN L234 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 103 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:44:15,721 WARN L234 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:44:25,791 WARN L234 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:44:34,863 WARN L234 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 133 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:44:44,359 WARN L234 SmtUtils]: Spent 9.49s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:46:01,464 WARN L234 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 160 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:46:26,679 WARN L234 SmtUtils]: Spent 25.21s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:47:39,534 WARN L234 SmtUtils]: Spent 1.21m on a formula simplification. DAG size of input: 160 DAG size of output: 158 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:48:07,054 WARN L234 SmtUtils]: Spent 27.52s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:49:55,156 WARN L234 SmtUtils]: Spent 1.73m on a formula simplification that was a NOOP. DAG size: 203 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:51:12,701 WARN L234 SmtUtils]: Spent 1.29m on a formula simplification that was a NOOP. DAG size: 187 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:53:00,596 WARN L234 SmtUtils]: Spent 1.80m on a formula simplification that was a NOOP. DAG size: 203 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:54:20,398 WARN L234 SmtUtils]: Spent 1.33m on a formula simplification that was a NOOP. DAG size: 187 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:57:02,155 WARN L234 SmtUtils]: Spent 2.70m on a formula simplification that was a NOOP. DAG size: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)