./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:59:09,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:59:09,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:59:09,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:59:09,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:59:09,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:59:09,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:59:09,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:59:09,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:59:09,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:59:09,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:59:09,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:59:09,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:59:09,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:59:09,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:59:09,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:59:09,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:59:09,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:59:09,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:59:09,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:59:09,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:59:09,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:59:09,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:59:09,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:59:09,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:59:09,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:59:09,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:59:09,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:59:09,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:59:09,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:59:09,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:59:09,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:59:10,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:59:10,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:59:10,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:59:10,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:59:10,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:59:10,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:59:10,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:59:10,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:59:10,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:59:10,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-13 18:59:10,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:59:10,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:59:10,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:59:10,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:59:10,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:59:10,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:59:10,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:59:10,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:59:10,076 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:59:10,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:59:10,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:59:10,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:59:10,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:59:10,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:59:10,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:59:10,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:59:10,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:59:10,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:59:10,079 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:59:10,079 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:59:10,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:59:10,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:59:10,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:59:10,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:59:10,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:59:10,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 18:59:10,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:59:10,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:10,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:59:10,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:59:10,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:59:10,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:59:10,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:59:10,096 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:59:10,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:59:10,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:59:10,097 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:59:10,097 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:59:10,097 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_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 [2021-11-13 18:59:10,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:59:10,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:59:10,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:59:10,408 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:59:10,409 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:59:10,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2021-11-13 18:59:10,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/c40e94fdc/27260be32a684ba0893895dcf8129e19/FLAG8f5a64fb1 [2021-11-13 18:59:11,034 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:59:11,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2021-11-13 18:59:11,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/c40e94fdc/27260be32a684ba0893895dcf8129e19/FLAG8f5a64fb1 [2021-11-13 18:59:11,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/c40e94fdc/27260be32a684ba0893895dcf8129e19 [2021-11-13 18:59:11,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:59:11,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:59:11,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:11,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:59:11,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:59:11,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:11" (1/1) ... [2021-11-13 18:59:11,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70130fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:11, skipping insertion in model container [2021-11-13 18:59:11,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:11" (1/1) ... [2021-11-13 18:59:11,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:59:11,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:59:11,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:11,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:59:11,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:12,066 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:59:12,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12 WrapperNode [2021-11-13 18:59:12,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:12,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:12,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:59:12,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:59:12,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:12,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:59:12,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:59:12,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:59:12,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:59:12,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:59:12,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:59:12,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:59:12,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (1/1) ... [2021-11-13 18:59:12,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:12,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:12,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:12,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:59:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:59:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:59:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:59:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:59:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:59:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:59:12,242 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:59:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:59:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:59:12,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:59:12,244 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:59:12,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:59:12,669 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:59:12,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:12 BoogieIcfgContainer [2021-11-13 18:59:12,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:59:12,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:59:12,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:59:12,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:59:12,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:59:11" (1/3) ... [2021-11-13 18:59:12,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249bf085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:12, skipping insertion in model container [2021-11-13 18:59:12,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:12" (2/3) ... [2021-11-13 18:59:12,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249bf085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:12, skipping insertion in model container [2021-11-13 18:59:12,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:12" (3/3) ... [2021-11-13 18:59:12,679 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2021-11-13 18:59:12,685 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:59:12,685 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:59:12,685 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-13 18:59:12,685 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:59:12,712 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,715 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,715 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,715 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,716 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,717 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,719 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,722 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,723 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,723 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,724 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:12,730 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 18:59:12,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:59:12,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:12,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:12,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:59:12,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 18:59:12,829 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:59:12,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 18:59:12,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:12,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1327652890, now seen corresponding path program 1 times [2021-11-13 18:59:12,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:12,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091116328] [2021-11-13 18:59:12,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:12,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:13,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:13,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091116328] [2021-11-13 18:59:13,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091116328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:13,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:13,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:59:13,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690326492] [2021-11-13 18:59:13,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:13,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:59:13,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:13,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:59:13,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:59:13,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:13,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:13,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:59:13,285 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:13,286 INFO L85 PathProgramCache]: Analyzing trace with hash 952300381, now seen corresponding path program 1 times [2021-11-13 18:59:13,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:13,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145660769] [2021-11-13 18:59:13,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:13,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:13,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:59:13,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145660769] [2021-11-13 18:59:13,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145660769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:13,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:13,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:59:13,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643827741] [2021-11-13 18:59:13,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:13,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:59:13,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:59:13,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:59:13,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:59:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:13,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:13,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:13,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:59:13,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:13,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:13,485 INFO L85 PathProgramCache]: Analyzing trace with hash -701394958, now seen corresponding path program 1 times [2021-11-13 18:59:13,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:59:13,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555039228] [2021-11-13 18:59:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:13,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:59:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:13,565 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:59:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:13,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:59:13,672 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:59:13,673 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2021-11-13 18:59:13,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2021-11-13 18:59:13,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:59:13,693 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 18:59:13,695 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2021-11-13 18:59:13,699 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:59:13,699 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:59:13,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:59:13,744 INFO L158 Benchmark]: Toolchain (without parser) took 2439.86ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 86.7MB in the end (delta: 9.1MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:13,744 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:13,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.75ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 69.1MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-13 18:59:13,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:59:13,746 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 119.5MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:13,747 INFO L158 Benchmark]: RCFGBuilder took 522.52ms. Allocated memory is still 119.5MB. Free memory was 65.4MB in the beginning and 84.6MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-13 18:59:13,755 INFO L158 Benchmark]: TraceAbstraction took 1070.40ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 86.7MB in the end (delta: -2.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-13 18:59:13,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.75ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 69.1MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 119.5MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 119.5MB. Free memory was 66.8MB in the beginning and 65.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.52ms. Allocated memory is still 119.5MB. Free memory was 65.4MB in the beginning and 84.6MB in the end (delta: -19.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1070.40ms. Allocated memory is still 119.5MB. Free memory was 84.0MB in the beginning and 86.7MB in the end (delta: -2.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 15, negative conditional: 7, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 30, positive unconditional: 214, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 199, positive conditional: 1, positive unconditional: 198, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 60, positive conditional: 1, positive unconditional: 58, negative: 25, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 45, positive conditional: 23, positive unconditional: 22, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 208, unknown conditional: 2, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 199, Positive conditional cache size: 1, Positive unconditional cache size: 198, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 106.82ms, Number of persistent set computation: 42, Number of trivial persistent sets: 38, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 15, negative conditional: 7, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 30, positive unconditional: 214, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 199, positive conditional: 1, positive unconditional: 198, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 60, positive conditional: 1, positive unconditional: 58, negative: 25, negative conditional: 1, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 45, positive conditional: 23, positive unconditional: 22, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 208, unknown conditional: 2, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 199, Positive conditional cache size: 1, Positive unconditional cache size: 198, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:59:13,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:14,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:59:16,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:59:16,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:59:16,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:59:16,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:59:16,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:59:16,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:59:16,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:59:16,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:59:16,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:59:16,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:59:16,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:59:16,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:59:16,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:59:16,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:59:16,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:59:16,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:59:16,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:59:16,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:59:16,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:59:16,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:59:16,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:59:16,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:59:16,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:59:16,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:59:16,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:59:16,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:59:16,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:59:16,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:59:16,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:59:16,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:59:16,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:59:16,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:59:16,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:59:16,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:59:16,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:59:16,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:59:16,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:59:16,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:59:16,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:59:16,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:59:16,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2021-11-13 18:59:16,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:59:16,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:59:16,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:59:16,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:59:16,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:59:16,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:59:16,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:59:16,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:59:16,631 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:59:16,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:59:16,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:59:16,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:59:16,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:59:16,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:59:16,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:59:16,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:59:16,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:59:16,634 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:59:16,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:59:16,635 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:59:16,635 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:59:16,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:59:16,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:59:16,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:59:16,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:59:16,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:59:16,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:59:16,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:16,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:59:16,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:59:16,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:59:16,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:59:16,638 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:59:16,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:59:16,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 18:59:16,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:59:16,639 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 18:59:16,639 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 18:59:16,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:59:16,640 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2562086a02be6998e1a5ce9ce305a1aab13bba69cf8f1d9765d0b8ae4c7e77e3 [2021-11-13 18:59:17,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:59:17,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:59:17,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:59:17,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:59:17,068 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:59:17,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/../../sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2021-11-13 18:59:17,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/0f10333d1/e9e8149c4e504a28840561c2772fe638/FLAGb47b4551e [2021-11-13 18:59:17,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:59:17,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/sv-benchmarks/c/goblint-regression/03-practical_07-nonterm.i [2021-11-13 18:59:17,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/0f10333d1/e9e8149c4e504a28840561c2772fe638/FLAGb47b4551e [2021-11-13 18:59:18,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/data/0f10333d1/e9e8149c4e504a28840561c2772fe638 [2021-11-13 18:59:18,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:59:18,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:59:18,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:18,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:59:18,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:59:18,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f4d5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18, skipping insertion in model container [2021-11-13 18:59:18,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:59:18,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:59:18,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:18,662 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:59:18,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:59:18,781 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:59:18,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18 WrapperNode [2021-11-13 18:59:18,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:59:18,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:18,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:59:18,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:59:18,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:59:18,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:59:18,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:59:18,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:59:18,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:59:18,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:59:18,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:59:18,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:59:18,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (1/1) ... [2021-11-13 18:59:18,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:59:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:18,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:18,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:59:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:59:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:59:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:59:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:59:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 18:59:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 18:59:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:59:18,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:59:18,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:59:18,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:59:18,975 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:59:19,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:59:19,457 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:59:19,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:19 BoogieIcfgContainer [2021-11-13 18:59:19,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:59:19,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:59:19,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:59:19,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:59:19,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:59:18" (1/3) ... [2021-11-13 18:59:19,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4418a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:19, skipping insertion in model container [2021-11-13 18:59:19,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:59:18" (2/3) ... [2021-11-13 18:59:19,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4418a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:59:19, skipping insertion in model container [2021-11-13 18:59:19,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:59:19" (3/3) ... [2021-11-13 18:59:19,468 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-practical_07-nonterm.i [2021-11-13 18:59:19,474 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:59:19,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:59:19,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-13 18:59:19,475 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:59:19,503 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,504 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,504 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,504 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,505 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,505 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,506 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,523 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,524 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,524 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:59:19,529 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 18:59:19,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 18:59:19,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 [2021-11-13 18:59:19,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-13 18:59:19,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-13 18:59:19,630 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-13 18:59:19,637 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:59:19,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 18:59:19,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:19,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:19,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1735381723, now seen corresponding path program 1 times [2021-11-13 18:59:19,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:59:19,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587118277] [2021-11-13 18:59:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:19,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:59:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:59:19,863 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:59:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:59:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:19,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:59:19,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:20,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:20,261 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:59:20,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587118277] [2021-11-13 18:59:20,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587118277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:20,263 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:20,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 18:59:20,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558796660] [2021-11-13 18:59:20,266 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:20,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:59:20,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:59:20,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:59:20,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:59:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:20,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:20,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:20,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:20,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:20,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:59:20,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:20,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1280831970, now seen corresponding path program 1 times [2021-11-13 18:59:20,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:59:20,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776026796] [2021-11-13 18:59:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:20,576 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:59:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:59:20,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:59:20,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:59:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:59:20,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:20,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:59:20,932 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:59:20,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776026796] [2021-11-13 18:59:20,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776026796] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:20,933 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:20,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-13 18:59:20,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701858658] [2021-11-13 18:59:20,934 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:20,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:59:20,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:59:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:59:20,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:59:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:20,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 18:59:20,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:59:20,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:20,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:59:20,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:59:21,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-13 18:59:21,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:59:21,213 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-13 18:59:21,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:21,214 INFO L85 PathProgramCache]: Analyzing trace with hash 165750068, now seen corresponding path program 1 times [2021-11-13 18:59:21,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:59:21,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895216652] [2021-11-13 18:59:21,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:21,216 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:59:21,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat [2021-11-13 18:59:21,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:59:21,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:59:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:21,305 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:59:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:21,401 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 18:59:21,401 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:59:21,402 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2021-11-13 18:59:21,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2021-11-13 18:59:21,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:21,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/mathsat -unsat_core_generation=3 [2021-11-13 18:59:21,629 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-13 18:59:21,630 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2021-11-13 18:59:21,635 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:59:21,635 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:59:21,681 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.DataRaceFoundResult.getLongDescription(DataRaceFoundResult.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:59:21,698 INFO L158 Benchmark]: Toolchain (without parser) took 3634.57ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 38.2MB in the beginning and 43.6MB in the end (delta: -5.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-13 18:59:21,699 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:21,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.54ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 25.5MB in the end (delta: 12.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:59:21,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.58ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 25.5MB in the beginning and 63.4MB in the end (delta: -37.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-13 18:59:21,704 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:21,705 INFO L158 Benchmark]: RCFGBuilder took 574.96ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 49.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:59:21,706 INFO L158 Benchmark]: TraceAbstraction took 2234.14ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 43.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-13 18:59:21,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.54ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 25.5MB in the end (delta: 12.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.58ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 25.5MB in the beginning and 63.4MB in the end (delta: -37.9MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 83.9MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.96ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 49.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2234.14ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 43.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 15, negative conditional: 7, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 30, positive unconditional: 214, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 199, positive conditional: 1, positive unconditional: 198, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 102, positive conditional: 2, positive unconditional: 100, negative: 42, negative conditional: 6, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 45, positive conditional: 23, positive unconditional: 22, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 208, unknown conditional: 2, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 199, Positive conditional cache size: 1, Positive unconditional cache size: 198, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 5 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 184.79ms, Number of persistent set computation: 43, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 206, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 15, negative conditional: 7, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 254, positive: 244, positive conditional: 46, positive unconditional: 198, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 30, positive unconditional: 214, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 24, positive unconditional: 220, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 208, positive: 199, positive conditional: 1, positive unconditional: 198, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 208, positive: 194, positive conditional: 0, positive unconditional: 194, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 9, negative conditional: 1, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 145, positive: 102, positive conditional: 2, positive unconditional: 100, negative: 42, negative conditional: 6, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 45, positive conditional: 23, positive unconditional: 22, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 208, unknown conditional: 2, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 199, Positive conditional cache size: 1, Positive unconditional cache size: 198, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 5 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:59:21,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:21,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_614ffdca-26f8-4915-9553-0e36f068654f/bin/ugemcutter-4ibYxwfQ6a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null