./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS --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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- 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-8393723 [2022-11-19 08:18:26,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:18:26,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:18:26,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:18:26,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:18:26,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:18:26,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:18:26,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:18:26,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:18:26,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:18:26,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:18:26,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:18:26,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:18:26,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:18:26,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:18:26,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:18:26,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:18:26,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:18:26,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:18:26,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:18:26,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:18:26,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:18:26,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:18:26,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:18:26,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:18:26,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:18:26,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:18:26,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:18:26,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:18:26,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:18:26,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:18:26,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:18:26,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:18:26,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:18:26,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:18:26,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:18:26,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:18:26,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:18:26,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:18:26,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:18:26,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:18:26,967 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:18:26,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:18:26,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:18:26,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:18:26,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:18:26,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:18:26,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:18:26,990 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:18:26,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:18:26,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:18:26,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:18:26,991 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:18:26,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:18:26,991 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:18:26,992 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:18:26,992 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:18:26,992 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:18:26,992 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:18:26,993 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:18:26,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:18:26,994 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:18:26,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:18:26,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:18:26,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:18:26,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:18:26,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:18:26,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:18:26,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:18:26,996 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:18:26,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:18:26,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:18:26,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:18:26,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:18:26,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:18:26,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:18:26,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:26,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:18:26,998 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:18:26,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:18:26,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:18:26,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:18:26,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:18:26,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:18:27,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:18:27,000 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_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2022-11-19 08:18:27,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:18:27,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:18:27,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:18:27,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:18:27,321 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:18:27,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2022-11-19 08:18:27,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/data/856c5a082/79fdf2fe5d5247808c82aedc4734104b/FLAG956bc6897 [2022-11-19 08:18:28,018 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:18:28,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2022-11-19 08:18:28,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/data/856c5a082/79fdf2fe5d5247808c82aedc4734104b/FLAG956bc6897 [2022-11-19 08:18:28,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/data/856c5a082/79fdf2fe5d5247808c82aedc4734104b [2022-11-19 08:18:28,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:18:28,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:18:28,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:28,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:18:28,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:18:28,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:28" (1/1) ... [2022-11-19 08:18:28,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@525d3cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:28, skipping insertion in model container [2022-11-19 08:18:28,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:18:28" (1/1) ... [2022-11-19 08:18:28,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:18:28,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:18:28,869 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2022-11-19 08:18:28,904 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:28,905 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:28,907 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:28,909 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:28,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:28,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:18:29,028 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2022-11-19 08:18:29,042 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:29,045 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:29,047 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:29,048 WARN L1568 CHandler]: Possible shadowing of function new [2022-11-19 08:18:29,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:18:29,141 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:18:29,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29 WrapperNode [2022-11-19 08:18:29,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:18:29,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:29,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:18:29,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:18:29,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,249 INFO L138 Inliner]: procedures = 279, calls = 51, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 345 [2022-11-19 08:18:29,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:18:29,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:18:29,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:18:29,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:18:29,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,293 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:18:29,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:18:29,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:18:29,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:18:29,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (1/1) ... [2022-11-19 08:18:29,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:18:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:18:29,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:18:29,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8062a529-1bcd-4117-a84f-c41599175689/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:18:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:18:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:18:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:18:29,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:18:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:18:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 08:18:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:18:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:18:29,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:18:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 08:18:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 08:18:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:18:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:18:29,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:18:29,411 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:18:29,624 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:18:29,626 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:18:30,287 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:18:30,304 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:18:30,304 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-19 08:18:30,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:30 BoogieIcfgContainer [2022-11-19 08:18:30,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:18:30,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:18:30,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:18:30,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:18:30,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:18:28" (1/3) ... [2022-11-19 08:18:30,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a62efba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:30, skipping insertion in model container [2022-11-19 08:18:30,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:18:29" (2/3) ... [2022-11-19 08:18:30,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a62efba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:18:30, skipping insertion in model container [2022-11-19 08:18:30,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:18:30" (3/3) ... [2022-11-19 08:18:30,322 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2022-11-19 08:18:30,337 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:18:30,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:18:30,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-19 08:18:30,354 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:18:30,521 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 08:18:30,580 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:18:30,597 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 397 transitions, 802 flow [2022-11-19 08:18:30,602 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 397 transitions, 802 flow [2022-11-19 08:18:30,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 397 transitions, 802 flow [2022-11-19 08:18:30,760 INFO L130 PetriNetUnfolder]: 29/420 cut-off events. [2022-11-19 08:18:30,760 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-19 08:18:30,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 420 events. 29/420 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1048 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 251. Up to 4 conditions per place. [2022-11-19 08:18:30,774 INFO L119 LiptonReduction]: Number of co-enabled transitions 7772 [2022-11-19 08:19:19,469 WARN L233 SmtUtils]: Spent 11.02s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:19:25,385 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:19:34,255 WARN L233 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:20:46,846 WARN L233 SmtUtils]: Spent 1.13m on a formula simplification that was a NOOP. DAG size: 189 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:21:35,664 WARN L233 SmtUtils]: Spent 48.82s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:22:50,566 WARN L233 SmtUtils]: Spent 1.25m on a formula simplification that was a NOOP. DAG size: 189 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:23:43,790 WARN L233 SmtUtils]: Spent 53.22s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:26:07,872 WARN L233 SmtUtils]: Spent 2.38m on a formula simplification that was a NOOP. DAG size: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:28:17,623 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:30:42,202 WARN L233 SmtUtils]: Spent 2.41m on a formula simplification that was a NOOP. DAG size: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:32:28,824 WARN L233 SmtUtils]: Spent 1.78m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)