./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.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_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/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_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/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_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/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 e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:30:29,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:30:29,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:30:29,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:30:29,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:30:29,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:30:29,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:30:29,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:30:29,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:30:29,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:30:29,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:30:29,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:30:29,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:30:29,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:30:29,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:30:29,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:30:29,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:30:29,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:30:29,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:30:29,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:30:29,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:30:29,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:30:29,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:30:29,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:30:29,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:30:29,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:30:29,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:30:29,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:30:29,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:30:29,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:30:29,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:30:29,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:30:29,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:30:29,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:30:29,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:30:29,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:30:29,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:30:29,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:30:29,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:30:29,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:30:29,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:30:29,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 02:30:29,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:30:29,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:30:29,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:30:29,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:30:29,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:30:29,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:30:29,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:30:29,896 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:30:29,896 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:30:29,896 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:30:29,897 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:30:29,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:30:29,897 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:30:29,897 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:30:29,898 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:30:29,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:30:29,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:30:29,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:30:29,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:30:29,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:30:29,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:30:29,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:30:29,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:30:29,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:30:29,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:30:29,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:30:29,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:30:29,901 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 02:30:29,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:30:29,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:30:29,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:30:29,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:30:29,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:30:29,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:30:29,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:30:29,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:30:29,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:30:29,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:30:29,904 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:30:29,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:30:29,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:30:29,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:30:29,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:30:29,905 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_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3884759389c7a3b94642e5e46b4f06a5e829be11d2d026f21d000ba598ae6cd [2021-11-23 02:30:30,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:30:30,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:30:30,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:30:30,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:30:30,205 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:30:30,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i [2021-11-23 02:30:30,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/data/e63f508a1/f0d5412e81c640ffa343a5b0c6e9ecab/FLAGc2982ee1b [2021-11-23 02:30:30,916 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:30:30,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/sv-benchmarks/c/goblint-regression/06-symbeq_09-tricky_address4.i [2021-11-23 02:30:30,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/data/e63f508a1/f0d5412e81c640ffa343a5b0c6e9ecab/FLAGc2982ee1b [2021-11-23 02:30:31,144 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/data/e63f508a1/f0d5412e81c640ffa343a5b0c6e9ecab [2021-11-23 02:30:31,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:30:31,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:30:31,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:30:31,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:30:31,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:30:31,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9a1184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31, skipping insertion in model container [2021-11-23 02:30:31,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:30:31,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:30:31,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:30:31,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:30:31,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:30:31,814 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:30:31,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31 WrapperNode [2021-11-23 02:30:31,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:30:31,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:30:31,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:30:31,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:30:31,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,875 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2021-11-23 02:30:31,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:30:31,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:30:31,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:30:31,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:30:31,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:30:31,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:30:31,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:30:31,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:30:31,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (1/1) ... [2021-11-23 02:30:31,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:30:31,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:30:31,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:30:31,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:30:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:30:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:30:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:30:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:30:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 02:30:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:30:32,016 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 02:30:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 02:30:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:30:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:30:32,019 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 02:30:32,226 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:30:32,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:30:32,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:30:32,530 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:30:32,531 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:30:32,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:32 BoogieIcfgContainer [2021-11-23 02:30:32,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:30:32,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:30:32,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:30:32,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:30:32,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:30:31" (1/3) ... [2021-11-23 02:30:32,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd22e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:32, skipping insertion in model container [2021-11-23 02:30:32,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:30:31" (2/3) ... [2021-11-23 02:30:32,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd22e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:30:32, skipping insertion in model container [2021-11-23 02:30:32,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:32" (3/3) ... [2021-11-23 02:30:32,555 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_09-tricky_address4.i [2021-11-23 02:30:32,561 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:30:32,561 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:30:32,562 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 02:30:32,562 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:30:32,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,608 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,623 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:30:32,640 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:30:32,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:30:32,724 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 02:30:32,725 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-23 02:30:32,750 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:30:32,779 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 106 transitions, 217 flow [2021-11-23 02:30:32,781 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 106 transitions, 217 flow [2021-11-23 02:30:32,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 106 transitions, 217 flow [2021-11-23 02:30:32,865 INFO L129 PetriNetUnfolder]: 4/105 cut-off events. [2021-11-23 02:30:32,865 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:30:32,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 105 events. 4/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2021-11-23 02:30:32,874 INFO L116 LiptonReduction]: Number of co-enabled transitions 2400 [2021-11-23 02:30:35,553 INFO L131 LiptonReduction]: Checked pairs total: 11917 [2021-11-23 02:30:35,553 INFO L133 LiptonReduction]: Total number of compositions: 83 [2021-11-23 02:30:35,567 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions, 81 flow [2021-11-23 02:30:35,616 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 288 states, 280 states have (on average 1.9892857142857143) internal successors, (557), 287 states have internal predecessors, (557), 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 02:30:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 280 states have (on average 1.9892857142857143) internal successors, (557), 287 states have internal predecessors, (557), 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 02:30:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 02:30:35,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:35,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 02:30:35,628 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:35,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash 353294015, now seen corresponding path program 1 times [2021-11-23 02:30:35,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:35,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438925072] [2021-11-23 02:30:35,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:35,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:35,921 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 02:30:35,922 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:35,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438925072] [2021-11-23 02:30:35,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438925072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:35,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:35,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:30:35,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658179333] [2021-11-23 02:30:35,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:35,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:30:35,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:35,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:30:35,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:30:35,964 INFO L87 Difference]: Start difference. First operand has 288 states, 280 states have (on average 1.9892857142857143) internal successors, (557), 287 states have internal predecessors, (557), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 02:30:36,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:36,056 INFO L93 Difference]: Finished difference Result 289 states and 541 transitions. [2021-11-23 02:30:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:30:36,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-11-23 02:30:36,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:36,085 INFO L225 Difference]: With dead ends: 289 [2021-11-23 02:30:36,085 INFO L226 Difference]: Without dead ends: 289 [2021-11-23 02:30:36,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:30:36,091 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:36,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:30:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-11-23 02:30:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2021-11-23 02:30:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.9252669039145907) internal successors, (541), 288 states have internal predecessors, (541), 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 02:30:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 541 transitions. [2021-11-23 02:30:36,189 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 541 transitions. Word has length 5 [2021-11-23 02:30:36,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:36,189 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 541 transitions. [2021-11-23 02:30:36,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 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 02:30:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 541 transitions. [2021-11-23 02:30:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 02:30:36,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:36,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:36,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:30:36,193 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -500732453, now seen corresponding path program 1 times [2021-11-23 02:30:36,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:36,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494775262] [2021-11-23 02:30:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:36,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:36,289 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:36,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494775262] [2021-11-23 02:30:36,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494775262] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:30:36,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265173491] [2021-11-23 02:30:36,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:36,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:36,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:30:36,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:30:36,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:30:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:36,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 02:30:36,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:30:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:36,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:30:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:36,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265173491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:30:36,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1013330063] [2021-11-23 02:30:36,514 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 02:30:36,516 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:30:36,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-23 02:30:36,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367649923] [2021-11-23 02:30:36,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:30:36,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 02:30:36,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:36,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 02:30:36,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:30:36,520 INFO L87 Difference]: Start difference. First operand 289 states and 541 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 02:30:36,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:36,588 INFO L93 Difference]: Finished difference Result 292 states and 544 transitions. [2021-11-23 02:30:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:30:36,588 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 11 [2021-11-23 02:30:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:36,591 INFO L225 Difference]: With dead ends: 292 [2021-11-23 02:30:36,592 INFO L226 Difference]: Without dead ends: 292 [2021-11-23 02:30:36,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:30:36,596 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:36,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:30:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-11-23 02:30:36,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2021-11-23 02:30:36,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 284 states have (on average 1.9154929577464788) internal successors, (544), 291 states have internal predecessors, (544), 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 02:30:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 544 transitions. [2021-11-23 02:30:36,623 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 544 transitions. Word has length 11 [2021-11-23 02:30:36,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:36,624 INFO L470 AbstractCegarLoop]: Abstraction has 292 states and 544 transitions. [2021-11-23 02:30:36,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 02:30:36,624 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 544 transitions. [2021-11-23 02:30:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:30:36,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:36,625 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:36,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 02:30:36,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:36,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:36,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash 7324901, now seen corresponding path program 2 times [2021-11-23 02:30:36,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:36,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143385835] [2021-11-23 02:30:36,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:36,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:30:37,096 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:37,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143385835] [2021-11-23 02:30:37,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143385835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:37,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:37,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:30:37,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818120507] [2021-11-23 02:30:37,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:37,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:30:37,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:37,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:30:37,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:30:37,100 INFO L87 Difference]: Start difference. First operand 292 states and 544 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 02:30:37,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:37,508 INFO L93 Difference]: Finished difference Result 401 states and 741 transitions. [2021-11-23 02:30:37,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:30:37,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 14 [2021-11-23 02:30:37,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:37,513 INFO L225 Difference]: With dead ends: 401 [2021-11-23 02:30:37,513 INFO L226 Difference]: Without dead ends: 401 [2021-11-23 02:30:37,514 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 02:30:37,515 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:37,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 16 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:30:37,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-11-23 02:30:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 310. [2021-11-23 02:30:37,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 303 states have (on average 1.900990099009901) internal successors, (576), 309 states have internal predecessors, (576), 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 02:30:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 576 transitions. [2021-11-23 02:30:37,553 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 576 transitions. Word has length 14 [2021-11-23 02:30:37,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:37,556 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 576 transitions. [2021-11-23 02:30:37,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 02:30:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 576 transitions. [2021-11-23 02:30:37,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 02:30:37,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:37,558 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:37,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:30:37,558 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:37,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:37,559 INFO L85 PathProgramCache]: Analyzing trace with hash 483800240, now seen corresponding path program 1 times [2021-11-23 02:30:37,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:37,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523337438] [2021-11-23 02:30:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:37,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 02:30:37,740 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:37,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523337438] [2021-11-23 02:30:37,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523337438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:37,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:37,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:30:37,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433459987] [2021-11-23 02:30:37,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:37,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:30:37,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:37,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:30:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:30:37,743 INFO L87 Difference]: Start difference. First operand 310 states and 576 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 02:30:38,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:38,086 INFO L93 Difference]: Finished difference Result 420 states and 775 transitions. [2021-11-23 02:30:38,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:30:38,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 14 [2021-11-23 02:30:38,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:38,090 INFO L225 Difference]: With dead ends: 420 [2021-11-23 02:30:38,090 INFO L226 Difference]: Without dead ends: 420 [2021-11-23 02:30:38,090 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 02:30:38,092 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 38 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:38,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 16 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:30:38,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2021-11-23 02:30:38,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 329. [2021-11-23 02:30:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 322 states have (on average 1.8944099378881987) internal successors, (610), 328 states have internal predecessors, (610), 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 02:30:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 610 transitions. [2021-11-23 02:30:38,107 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 610 transitions. Word has length 14 [2021-11-23 02:30:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:38,107 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 610 transitions. [2021-11-23 02:30:38,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 02:30:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 610 transitions. [2021-11-23 02:30:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:30:38,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:38,110 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:38,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:30:38,110 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:38,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1654936259, now seen corresponding path program 1 times [2021-11-23 02:30:38,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:38,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943523341] [2021-11-23 02:30:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:38,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:38,168 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:38,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943523341] [2021-11-23 02:30:38,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943523341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:30:38,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322755483] [2021-11-23 02:30:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:38,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:38,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:30:38,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:30:38,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:30:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:38,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 02:30:38,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:30:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:38,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:30:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:30:38,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322755483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:30:38,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [949974337] [2021-11-23 02:30:38,400 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1603) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 02:30:38,402 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:30:38,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2021-11-23 02:30:38,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769646800] [2021-11-23 02:30:38,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:30:38,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-23 02:30:38,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:38,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-23 02:30:38,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:30:38,405 INFO L87 Difference]: Start difference. First operand 329 states and 610 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 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 02:30:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:38,455 INFO L93 Difference]: Finished difference Result 335 states and 616 transitions. [2021-11-23 02:30:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 02:30:38,456 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 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 20 [2021-11-23 02:30:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:38,459 INFO L225 Difference]: With dead ends: 335 [2021-11-23 02:30:38,459 INFO L226 Difference]: Without dead ends: 335 [2021-11-23 02:30:38,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-11-23 02:30:38,461 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:38,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:30:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-11-23 02:30:38,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2021-11-23 02:30:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 328 states have (on average 1.8780487804878048) internal successors, (616), 334 states have internal predecessors, (616), 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 02:30:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 616 transitions. [2021-11-23 02:30:38,481 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 616 transitions. Word has length 20 [2021-11-23 02:30:38,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:38,482 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 616 transitions. [2021-11-23 02:30:38,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 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 02:30:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 616 transitions. [2021-11-23 02:30:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 02:30:38,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:38,489 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:30:38,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:30:38,703 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:38,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:38,703 INFO L85 PathProgramCache]: Analyzing trace with hash 541613827, now seen corresponding path program 2 times [2021-11-23 02:30:38,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:38,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459084567] [2021-11-23 02:30:38,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:38,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 02:30:38,830 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:38,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459084567] [2021-11-23 02:30:38,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459084567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:38,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:38,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:30:38,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675302097] [2021-11-23 02:30:38,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:38,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:30:38,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:38,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:30:38,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:30:38,832 INFO L87 Difference]: Start difference. First operand 335 states and 616 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:30:39,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:39,264 INFO L93 Difference]: Finished difference Result 514 states and 949 transitions. [2021-11-23 02:30:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:30:39,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 26 [2021-11-23 02:30:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:39,268 INFO L225 Difference]: With dead ends: 514 [2021-11-23 02:30:39,269 INFO L226 Difference]: Without dead ends: 488 [2021-11-23 02:30:39,269 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 02:30:39,270 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 37 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:39,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 16 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:30:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-11-23 02:30:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 353. [2021-11-23 02:30:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 346 states have (on average 1.8670520231213872) internal successors, (646), 352 states have internal predecessors, (646), 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 02:30:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 646 transitions. [2021-11-23 02:30:39,288 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 646 transitions. Word has length 26 [2021-11-23 02:30:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:39,288 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 646 transitions. [2021-11-23 02:30:39,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:30:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 646 transitions. [2021-11-23 02:30:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 02:30:39,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:39,290 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:39,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:30:39,291 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1741996132, now seen corresponding path program 1 times [2021-11-23 02:30:39,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:39,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532565440] [2021-11-23 02:30:39,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:39,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:30:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 02:30:39,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:30:39,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532565440] [2021-11-23 02:30:39,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532565440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:30:39,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:30:39,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:30:39,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531221012] [2021-11-23 02:30:39,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:30:39,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:30:39,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:30:39,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:30:39,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:30:39,452 INFO L87 Difference]: Start difference. First operand 353 states and 646 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:30:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:39,872 INFO L93 Difference]: Finished difference Result 482 states and 875 transitions. [2021-11-23 02:30:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:30:39,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 26 [2021-11-23 02:30:39,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:39,876 INFO L225 Difference]: With dead ends: 482 [2021-11-23 02:30:39,876 INFO L226 Difference]: Without dead ends: 456 [2021-11-23 02:30:39,876 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 02:30:39,877 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 35 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:39,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 16 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:30:39,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-11-23 02:30:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 362. [2021-11-23 02:30:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 355 states have (on average 1.8422535211267606) internal successors, (654), 361 states have internal predecessors, (654), 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 02:30:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 654 transitions. [2021-11-23 02:30:39,893 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 654 transitions. Word has length 26 [2021-11-23 02:30:39,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:30:39,893 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 654 transitions. [2021-11-23 02:30:39,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 02:30:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 654 transitions. [2021-11-23 02:30:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 02:30:39,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:30:39,895 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:30:39,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:30:39,895 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-23 02:30:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:30:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1807912076, now seen corresponding path program 1 times [2021-11-23 02:30:39,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:30:39,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764896055] [2021-11-23 02:30:39,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:30:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:30:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:30:39,936 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:30:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:30:39,987 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:30:39,988 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:30:39,989 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-23 02:30:39,990 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-23 02:30:39,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2021-11-23 02:30:39,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2021-11-23 02:30:39,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-23 02:30:39,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-23 02:30:39,991 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-23 02:30:39,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:30:39,994 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2021-11-23 02:30:40,000 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:30:40,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:30:40,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:30:40 BasicIcfg [2021-11-23 02:30:40,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:30:40,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:30:40,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:30:40,044 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:30:40,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:30:32" (3/4) ... [2021-11-23 02:30:40,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:30:40,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:30:40,053 INFO L158 Benchmark]: Toolchain (without parser) took 8904.95ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 77.0MB in the beginning and 45.8MB in the end (delta: 31.1MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,053 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:30:40,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.74ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 70.6MB in the end (delta: 6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.60ms. Allocated memory is still 115.3MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,054 INFO L158 Benchmark]: Boogie Preprocessor took 36.20ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,055 INFO L158 Benchmark]: RCFGBuilder took 619.78ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 51.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,055 INFO L158 Benchmark]: TraceAbstraction took 7498.40ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 46.9MB in the end (delta: 3.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,056 INFO L158 Benchmark]: Witness Printer took 8.17ms. Allocated memory is still 140.5MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:30:40,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.74ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 70.6MB in the end (delta: 6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.60ms. Allocated memory is still 115.3MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.20ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 66.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.78ms. Allocated memory is still 115.3MB. Free memory was 66.0MB in the beginning and 51.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7498.40ms. Allocated memory was 115.3MB in the beginning and 140.5MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 46.9MB in the end (delta: 3.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 8.17ms. Allocated memory is still 140.5MB. Free memory was 46.9MB in the beginning and 45.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 106 PlacesBefore, 40 PlacesAfterwards, 106 TransitionsBefore, 38 TransitionsAfterwards, 2400 CoEnabledTransitionPairs, 9 FixpointIterations, 28 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 83 TotalNumberOfCompositions, 11917 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3323, positive: 2769, positive conditional: 0, positive unconditional: 2769, negative: 554, negative conditional: 0, negative unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1494, positive: 1419, positive conditional: 0, positive unconditional: 1419, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1494, positive: 1327, positive conditional: 0, positive unconditional: 1327, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 167, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 482, positive: 204, positive conditional: 0, positive unconditional: 204, negative: 278, negative conditional: 0, negative unconditional: 278, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3323, positive: 1350, positive conditional: 0, positive unconditional: 1350, negative: 479, negative conditional: 0, negative unconditional: 479, unknown: 1494, unknown conditional: 0, unknown unconditional: 1494] , Statistics on independence cache: Total cache size (in pairs): 227, Positive cache size: 170, Positive conditional cache size: 0, Positive unconditional cache size: 170, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57 - 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: 932]: Data race detected Data race detected The following path leads to a data race: [L922-L925] 0 struct s { int datum; pthread_mutex_t mutex; } a[10]; [L937] 0 int i = 0; VAL [a={1:0}, i=0] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=1] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=2] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=3] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=4] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=5] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=6] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=7] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=8] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=9] [L937] COND TRUE 0 i < 10 [L937] 0 i++ VAL [a={1:0}, i=10] [L937] COND FALSE 0 !(i < 10) [L939] 0 int i = __VERIFIER_nondet_int(); [L940] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) [L940] RET 0 assume_abort_if_not(0 <= i && i < 10) [L941] 0 pthread_t t1; [L942] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [a={1:0}, i=1, i=10, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={2:0}] [L944] EXPR 0 a[i].datum VAL [a={1:0}, a[i].datum=0, i=10, i=1, t1={2:0}] [L944] 0 a[i].datum++ VAL [a={1:0}, a[i].datum=0, a[i].datum++=0, i=10, i=1, t1={2:0}] [L927] 1 int i = __VERIFIER_nondet_int(); [L928] CALL 1 assume_abort_if_not(0 <= i && i < 9) [L11] COND FALSE 1 !(!cond) [L928] RET 1 assume_abort_if_not(0 <= i && i < 9) [L929] 1 struct s *p = &a[i]; [L931] 1 i++ [L932] EXPR 1 a[i].datum VAL [a={1:0}, a[i].datum=1, arg={0:0}, arg={0:0}, i=1, p={1:0}] [L932] 1 a[i].datum++ VAL [a={1:0}, a[i].datum=1, arg={0:0}, arg={0:0}, i=1, p={1:0}] [L932] 1 a[i].datum++ VAL [a={1:0}, a[i].datum=1, arg={0:0}, arg={0:0}, i=1, p={1:0}] Now there is a data race (on the heap) between C: a[i].datum++ [944] and C: a[i].datum++ [932] - UnprovableResult [Line: 944]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 944]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: 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: 932]: 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, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 112 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1185 IncrementalHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 112 mSolverCounterUnsat, 124 mSDtfsCounter, 1185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=7, InterpolantAutomatonStates: 45, 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, 7 MinimizatonAttempts, 411 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 863 SizeOfPredicates, 0 NumberOfNonLiveVariables, 157 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 130/163 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 02:30:40,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ce5b8-1fb3-4c28-bf45-0f93b43bd9a6/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