./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:58:36,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:58:36,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:58:36,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:58:36,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:58:36,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:58:36,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:58:36,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:58:36,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:58:36,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:58:36,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:58:36,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:58:36,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:58:36,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:58:36,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:58:36,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:58:36,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:58:36,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:58:36,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:58:36,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:58:36,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:58:36,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:58:36,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:58:36,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:58:36,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:58:36,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:58:36,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:58:36,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:58:36,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:58:36,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:58:36,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:58:36,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:58:36,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:58:36,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:58:36,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:58:36,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:58:36,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:58:36,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:58:36,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:58:36,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:58:36,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:58:36,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 02:58:36,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:58:36,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:58:36,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:58:36,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:58:36,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:58:36,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:58:36,996 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:58:36,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:58:36,996 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:58:36,996 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:58:36,998 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:58:36,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:58:36,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:58:36,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:58:36,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:58:36,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:58:36,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:58:36,999 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:58:37,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:58:37,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:58:37,001 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:58:37,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:58:37,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:58:37,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:58:37,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:58:37,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:58:37,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:58:37,003 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 02:58:37,003 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:58:37,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:58:37,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:58:37,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:58:37,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:58:37,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:58:37,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:58:37,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:58:37,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:58:37,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:58:37,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:58:37,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:58:37,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:58:37,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:58:37,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:58:37,008 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2021-11-23 02:58:37,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:58:37,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:58:37,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:58:37,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:58:37,319 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:58:37,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-23 02:58:37,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/data/12b620a67/553f0e78eceb4790b6f8bc37c155521b/FLAGcf874ade5 [2021-11-23 02:58:38,000 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:58:38,002 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2021-11-23 02:58:38,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/data/12b620a67/553f0e78eceb4790b6f8bc37c155521b/FLAGcf874ade5 [2021-11-23 02:58:38,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/data/12b620a67/553f0e78eceb4790b6f8bc37c155521b [2021-11-23 02:58:38,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:58:38,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:58:38,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:58:38,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:58:38,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:58:38,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:38" (1/1) ... [2021-11-23 02:58:38,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f73130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:38, skipping insertion in model container [2021-11-23 02:58:38,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:58:38" (1/1) ... [2021-11-23 02:58:38,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:58:38,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:58:38,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:58:38,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:58:38,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:58:39,012 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:58:39,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39 WrapperNode [2021-11-23 02:58:39,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:58:39,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:58:39,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:58:39,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:58:39,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,106 INFO L137 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2021-11-23 02:58:39,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:58:39,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:58:39,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:58:39,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:58:39,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:58:39,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:58:39,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:58:39,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:58:39,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (1/1) ... [2021-11-23 02:58:39,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:58:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:58:39,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:58:39,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:58:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:58:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:58:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:58:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:58:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 02:58:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:58:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 02:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 02:58:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:58:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:58:39,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:58:39,276 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 02:58:39,451 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:58:39,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:58:39,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:58:39,731 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:58:39,732 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:58:39,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:39 BoogieIcfgContainer [2021-11-23 02:58:39,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:58:39,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:58:39,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:58:39,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:58:39,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:58:38" (1/3) ... [2021-11-23 02:58:39,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a2409b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:39, skipping insertion in model container [2021-11-23 02:58:39,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:58:39" (2/3) ... [2021-11-23 02:58:39,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a2409b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:58:39, skipping insertion in model container [2021-11-23 02:58:39,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:39" (3/3) ... [2021-11-23 02:58:39,762 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2021-11-23 02:58:39,769 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:58:39,769 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:58:39,770 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-23 02:58:39,770 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:58:39,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,843 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,844 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,845 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,846 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,850 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,851 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,852 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,853 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,854 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,855 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,856 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,857 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,858 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,859 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,860 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,861 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,862 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,863 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,864 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,865 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,866 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,867 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,868 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,869 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,870 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,871 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,874 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,875 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,876 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,877 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:58:39,881 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-23 02:58:39,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:58:39,936 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=FINITE_AUTOMATA, 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 [2021-11-23 02:58:39,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:58:39,951 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:58:39,966 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 104 transitions, 216 flow [2021-11-23 02:58:39,969 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 104 transitions, 216 flow [2021-11-23 02:58:39,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 104 transitions, 216 flow [2021-11-23 02:58:40,024 INFO L129 PetriNetUnfolder]: 0/103 cut-off events. [2021-11-23 02:58:40,024 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-23 02:58:40,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 0/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-23 02:58:40,030 INFO L116 LiptonReduction]: Number of co-enabled transitions 2030 [2021-11-23 02:58:43,574 INFO L131 LiptonReduction]: Checked pairs total: 11392 [2021-11-23 02:58:43,574 INFO L133 LiptonReduction]: Total number of compositions: 60 [2021-11-23 02:58:43,582 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-23 02:58:43,614 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2021-11-23 02:58:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) [2021-11-23 02:58:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:58:43,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:43,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:43,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 02:58:43,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:43,631 INFO L85 PathProgramCache]: Analyzing trace with hash 993455447, now seen corresponding path program 1 times [2021-11-23 02:58:43,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:43,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796032703] [2021-11-23 02:58:43,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:43,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:43,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:58:43,963 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:43,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796032703] [2021-11-23 02:58:43,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796032703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:43,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:43,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:58:43,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159189717] [2021-11-23 02:58:43,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:43,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:58:43,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:44,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:58:44,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:44,025 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 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) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:58:44,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:44,452 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2021-11-23 02:58:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:58:44,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2021-11-23 02:58:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:44,474 INFO L225 Difference]: With dead ends: 482 [2021-11-23 02:58:44,474 INFO L226 Difference]: Without dead ends: 482 [2021-11-23 02:58:44,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:44,479 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 48 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:44,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 33 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:58:44,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-23 02:58:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2021-11-23 02:58:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 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) [2021-11-23 02:58:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2021-11-23 02:58:44,560 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2021-11-23 02:58:44,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:44,560 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2021-11-23 02:58:44,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:58:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2021-11-23 02:58:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:58:44,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:44,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:44,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:58:44,563 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 02:58:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:44,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1281199437, now seen corresponding path program 1 times [2021-11-23 02:58:44,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:44,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335540534] [2021-11-23 02:58:44,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:44,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:58:44,719 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:44,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335540534] [2021-11-23 02:58:44,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335540534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:44,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:44,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:58:44,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088857345] [2021-11-23 02:58:44,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:44,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:58:44,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:44,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:58:44,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:44,722 INFO L87 Difference]: Start difference. First operand 454 states and 861 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:58:45,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:45,038 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2021-11-23 02:58:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:58:45,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2021-11-23 02:58:45,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:45,043 INFO L225 Difference]: With dead ends: 487 [2021-11-23 02:58:45,043 INFO L226 Difference]: Without dead ends: 487 [2021-11-23 02:58:45,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:45,045 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 30 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:45,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 23 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:58:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-23 02:58:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2021-11-23 02:58:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 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) [2021-11-23 02:58:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-23 02:58:45,077 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-23 02:58:45,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:45,078 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-23 02:58:45,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:58:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-23 02:58:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:58:45,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:45,080 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:45,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:58:45,081 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 02:58:45,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:45,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2042950909, now seen corresponding path program 1 times [2021-11-23 02:58:45,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:45,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763767096] [2021-11-23 02:58:45,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:45,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:58:45,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:45,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763767096] [2021-11-23 02:58:45,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763767096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:45,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:45,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:58:45,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124397821] [2021-11-23 02:58:45,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:45,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:58:45,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:45,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:58:45,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:45,224 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 02:58:45,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:45,480 INFO L93 Difference]: Finished difference Result 553 states and 1050 transitions. [2021-11-23 02:58:45,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:58:45,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2021-11-23 02:58:45,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:45,493 INFO L225 Difference]: With dead ends: 553 [2021-11-23 02:58:45,493 INFO L226 Difference]: Without dead ends: 540 [2021-11-23 02:58:45,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:45,495 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 44 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:45,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 35 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:58:45,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-23 02:58:45,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2021-11-23 02:58:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 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) [2021-11-23 02:58:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2021-11-23 02:58:45,525 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2021-11-23 02:58:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:45,525 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2021-11-23 02:58:45,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 02:58:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2021-11-23 02:58:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 02:58:45,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:45,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:45,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:58:45,528 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 02:58:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2083093572, now seen corresponding path program 1 times [2021-11-23 02:58:45,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:45,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612811341] [2021-11-23 02:58:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:45,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:58:45,671 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:45,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612811341] [2021-11-23 02:58:45,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612811341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:45,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:45,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:58:45,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772782283] [2021-11-23 02:58:45,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:45,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:58:45,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:45,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:58:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:45,674 INFO L87 Difference]: Start difference. First operand 540 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 02:58:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:45,952 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2021-11-23 02:58:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:58:45,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) Word has length 15 [2021-11-23 02:58:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:45,958 INFO L225 Difference]: With dead ends: 611 [2021-11-23 02:58:45,958 INFO L226 Difference]: Without dead ends: 611 [2021-11-23 02:58:45,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:58:45,960 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 35 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:45,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 25 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:58:45,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-11-23 02:58:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2021-11-23 02:58:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 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) [2021-11-23 02:58:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-23 02:58:46,001 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-23 02:58:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:46,002 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-23 02:58:46,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-11-23 02:58:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-23 02:58:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 02:58:46,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:46,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:58:46,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:58:46,009 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-23 02:58:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:46,010 INFO L85 PathProgramCache]: Analyzing trace with hash -765705314, now seen corresponding path program 1 times [2021-11-23 02:58:46,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:46,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340166704] [2021-11-23 02:58:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:58:46,070 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:58:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:58:46,145 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:58:46,145 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:58:46,146 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-23 02:58:46,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-23 02:58:46,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-23 02:58:46,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2021-11-23 02:58:46,152 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 8 remaining) [2021-11-23 02:58:46,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-23 02:58:46,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-23 02:58:46,153 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-23 02:58:46,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:58:46,156 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 02:58:46,163 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:58:46,163 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:58:46,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:58:46 BasicIcfg [2021-11-23 02:58:46,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:58:46,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:58:46,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:58:46,251 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:58:46,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:58:39" (3/4) ... [2021-11-23 02:58:46,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:58:46,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:58:46,258 INFO L158 Benchmark]: Toolchain (without parser) took 8022.11ms. Allocated memory was 109.1MB in the beginning and 178.3MB in the end (delta: 69.2MB). Free memory was 79.0MB in the beginning and 79.6MB in the end (delta: -591.4kB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,258 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:58:46,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.56ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 66.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.71ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,263 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 109.1MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,263 INFO L158 Benchmark]: RCFGBuilder took 554.34ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 47.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,264 INFO L158 Benchmark]: TraceAbstraction took 6497.38ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 113.3MB in the beginning and 80.6MB in the end (delta: 32.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-11-23 02:58:46,264 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 178.3MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:58:46,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.56ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 66.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.71ms. Allocated memory is still 109.1MB. Free memory was 66.8MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 109.1MB. Free memory was 64.1MB in the beginning and 62.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.34ms. Allocated memory is still 109.1MB. Free memory was 62.3MB in the beginning and 47.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6497.38ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 113.3MB in the beginning and 80.6MB in the end (delta: 32.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 178.3MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 108 PlacesBefore, 48 PlacesAfterwards, 104 TransitionsBefore, 44 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 60 TotalNumberOfCompositions, 11392 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3417, positive: 2915, positive conditional: 0, positive unconditional: 2915, negative: 502, negative conditional: 0, negative unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1366, positive: 1230, positive conditional: 0, positive unconditional: 1230, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1366, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 225, negative conditional: 0, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 225, positive: 89, positive conditional: 0, positive unconditional: 89, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 642, positive: 216, positive conditional: 0, positive unconditional: 216, negative: 426, negative conditional: 0, negative unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3417, positive: 1685, positive conditional: 0, positive unconditional: 1685, negative: 366, negative conditional: 0, negative unconditional: 366, unknown: 1366, unknown conditional: 0, unknown unconditional: 1366] , Statistics on independence cache: Total cache size (in pairs): 427, Positive cache size: 346, Positive conditional cache size: 0, Positive unconditional cache size: 346, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81 - 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 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; [L918] 0 int myglobal2; [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L931] 0 pthread_t id; [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={5:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L927] CALL 1 munge(&mutex1, &myglobal1) [L933] CALL 0 munge(&mutex2,&myglobal1) [L923] EXPR 0 \read(*v) VAL [\read(*v)=0, m={3:0}, m={2:0}, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, m={2:0}, m={3:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, pthread_mutex_lock(m)=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 \read(*v) VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] EXPR 0 *v+1 VAL [\read(*v)=0, \read(*v)=0, m={2:0}, m={3:0}, m={3:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 0 *v=*v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={3:0}, m={3:0}, m={2:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] [L923] 1 *v+1 VAL [*v=*v+1=25, \read(*v)=0, \read(*v)=0, m={2:0}, m={2:0}, m={3:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 934]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 136 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 145 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1107 IncrementalHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 103 mSDtfsCounter, 1107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 62 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:58:46,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5812d4fc-9bc6-4011-ab64-7275360ef5e1/bin/utaipan-EQgc7hIp5V/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE