./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:29:29,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:29:29,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:29:29,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:29:29,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:29:29,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:29:29,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:29:29,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:29:29,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:29:29,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:29:29,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:29:29,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:29:29,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:29:29,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:29:29,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:29:29,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:29:29,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:29:29,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:29:29,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:29:29,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:29:29,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:29:29,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:29:29,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:29:29,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:29:29,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:29:29,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:29:29,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:29:29,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:29:29,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:29:29,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:29:29,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:29:29,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:29:29,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:29:29,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:29:29,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:29:29,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:29:29,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:29:29,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:29:29,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:29:29,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:29:29,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:29:29,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:29:29,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:29:29,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:29:29,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:29:29,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:29:29,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:29:29,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:29:29,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:29:29,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:29:29,917 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:29:29,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:29:29,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:29:29,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:29:29,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:29:29,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:29:29,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:29:29,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:29:29,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:29:29,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:29:29,920 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:29:29,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:29:29,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:29:29,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:29:29,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:29:29,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:29:29,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:29:29,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:29:29,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:29,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:29:29,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:29:29,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:29:29,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:29:29,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:29:29,926 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:29:29,926 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:29:29,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:29:29,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2022-11-16 12:29:30,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:29:30,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:29:30,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:29:30,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:29:30,268 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:29:30,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-16 12:29:30,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/data/fc1fe23c2/614b8370648743899ae39c02a5646223/FLAG64ed40f03 [2022-11-16 12:29:30,823 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:29:30,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-16 12:29:30,853 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/data/fc1fe23c2/614b8370648743899ae39c02a5646223/FLAG64ed40f03 [2022-11-16 12:29:31,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/data/fc1fe23c2/614b8370648743899ae39c02a5646223 [2022-11-16 12:29:31,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:29:31,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:29:31,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:31,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:29:31,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:29:31,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aec765f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31, skipping insertion in model container [2022-11-16 12:29:31,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:29:31,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:29:31,633 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-16 12:29:31,637 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-16 12:29:31,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:31,661 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:29:31,715 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-16 12:29:31,725 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-16 12:29:31,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:31,778 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:29:31,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31 WrapperNode [2022-11-16 12:29:31,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:31,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:31,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:29:31,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:29:31,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,846 INFO L138 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-16 12:29:31,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:31,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:29:31,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:29:31,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:29:31,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,913 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:29:31,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:29:31,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:29:31,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:29:31,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (1/1) ... [2022-11-16 12:29:31,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:31,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:29:31,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:29:31,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:29:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-11-16 12:29:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-11-16 12:29:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:29:32,019 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-11-16 12:29:32,019 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:29:32,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:29:32,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:29:32,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:29:32,022 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:29:32,161 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:29:32,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:29:32,437 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:29:32,445 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:29:32,458 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:29:32,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:32 BoogieIcfgContainer [2022-11-16 12:29:32,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:29:32,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:29:32,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:29:32,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:29:32,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:29:31" (1/3) ... [2022-11-16 12:29:32,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fddd3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:32, skipping insertion in model container [2022-11-16 12:29:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:31" (2/3) ... [2022-11-16 12:29:32,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fddd3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:32, skipping insertion in model container [2022-11-16 12:29:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:32" (3/3) ... [2022-11-16 12:29:32,470 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2022-11-16 12:29:32,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:29:32,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:29:32,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-16 12:29:32,500 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:29:32,648 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:29:32,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 150 transitions, 316 flow [2022-11-16 12:29:32,793 INFO L130 PetriNetUnfolder]: 5/148 cut-off events. [2022-11-16 12:29:32,793 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:29:32,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 148 events. 5/148 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 230 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 97. Up to 3 conditions per place. [2022-11-16 12:29:32,805 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 150 transitions, 316 flow [2022-11-16 12:29:32,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 138 transitions, 285 flow [2022-11-16 12:29:32,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:29:32,834 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20ff5fa3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:29:32,835 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-16 12:29:32,845 INFO L130 PetriNetUnfolder]: 0/32 cut-off events. [2022-11-16 12:29:32,846 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:29:32,846 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:32,847 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:32,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:32,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:32,853 INFO L85 PathProgramCache]: Analyzing trace with hash 54268131, now seen corresponding path program 1 times [2022-11-16 12:29:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:32,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458532441] [2022-11-16 12:29:32,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:33,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:33,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458532441] [2022-11-16 12:29:33,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458532441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:33,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:33,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:33,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285173436] [2022-11-16 12:29:33,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:33,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:33,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:33,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:33,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:33,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 150 [2022-11-16 12:29:33,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 138 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:33,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:33,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 150 [2022-11-16 12:29:33,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:33,322 INFO L130 PetriNetUnfolder]: 6/206 cut-off events. [2022-11-16 12:29:33,323 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 12:29:33,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 206 events. 6/206 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 546 event pairs, 2 based on Foata normal form. 11/187 useless extension candidates. Maximal degree in co-relation 167. Up to 11 conditions per place. [2022-11-16 12:29:33,327 INFO L137 encePairwiseOnDemand]: 143/150 looper letters, 10 selfloop transitions, 2 changer transitions 1/133 dead transitions. [2022-11-16 12:29:33,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 133 transitions, 305 flow [2022-11-16 12:29:33,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2022-11-16 12:29:33,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2022-11-16 12:29:33,343 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:33,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-11-16 12:29:33,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,370 INFO L175 Difference]: Start difference. First operand has 140 places, 138 transitions, 285 flow. Second operand 3 states and 415 transitions. [2022-11-16 12:29:33,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 133 transitions, 305 flow [2022-11-16 12:29:33,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 133 transitions, 297 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 12:29:33,379 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 268 flow [2022-11-16 12:29:33,381 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2022-11-16 12:29:33,385 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-16 12:29:33,385 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 268 flow [2022-11-16 12:29:33,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:33,386 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:33,386 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:33,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:29:33,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:33,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:33,388 INFO L85 PathProgramCache]: Analyzing trace with hash 612074739, now seen corresponding path program 1 times [2022-11-16 12:29:33,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:33,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361669355] [2022-11-16 12:29:33,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:33,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:33,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:33,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361669355] [2022-11-16 12:29:33,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361669355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:33,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:33,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:33,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789213314] [2022-11-16 12:29:33,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:33,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:33,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:33,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:33,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:33,471 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 150 [2022-11-16 12:29:33,472 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:33,472 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:33,472 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 150 [2022-11-16 12:29:33,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:33,636 INFO L130 PetriNetUnfolder]: 23/356 cut-off events. [2022-11-16 12:29:33,636 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-16 12:29:33,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 356 events. 23/356 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1544 event pairs, 5 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 322. Up to 29 conditions per place. [2022-11-16 12:29:33,640 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 13 selfloop transitions, 4 changer transitions 0/135 dead transitions. [2022-11-16 12:29:33,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 135 transitions, 315 flow [2022-11-16 12:29:33,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2022-11-16 12:29:33,643 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9222222222222223 [2022-11-16 12:29:33,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:33,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2022-11-16 12:29:33,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-11-16 12:29:33,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,648 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,648 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 268 flow. Second operand 3 states and 415 transitions. [2022-11-16 12:29:33,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 135 transitions, 315 flow [2022-11-16 12:29:33,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 135 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:33,654 INFO L231 Difference]: Finished difference. Result has 135 places, 131 transitions, 288 flow [2022-11-16 12:29:33,655 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=135, PETRI_TRANSITIONS=131} [2022-11-16 12:29:33,656 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-16 12:29:33,656 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 131 transitions, 288 flow [2022-11-16 12:29:33,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:33,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:33,657 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:33,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:29:33,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:33,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:33,658 INFO L85 PathProgramCache]: Analyzing trace with hash -534485509, now seen corresponding path program 1 times [2022-11-16 12:29:33,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:33,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735386207] [2022-11-16 12:29:33,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:33,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:33,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:33,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735386207] [2022-11-16 12:29:33,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735386207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:33,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:33,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:29:33,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44769543] [2022-11-16 12:29:33,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:33,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:33,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:33,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:33,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:33,850 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 150 [2022-11-16 12:29:33,850 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 131 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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) [2022-11-16 12:29:33,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:33,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 150 [2022-11-16 12:29:33,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:33,904 INFO L130 PetriNetUnfolder]: 6/268 cut-off events. [2022-11-16 12:29:33,904 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-16 12:29:33,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 268 events. 6/268 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 839 event pairs, 1 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 176. Up to 9 conditions per place. [2022-11-16 12:29:33,907 INFO L137 encePairwiseOnDemand]: 147/150 looper letters, 6 selfloop transitions, 2 changer transitions 0/131 dead transitions. [2022-11-16 12:29:33,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 131 transitions, 306 flow [2022-11-16 12:29:33,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 417 transitions. [2022-11-16 12:29:33,916 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9266666666666666 [2022-11-16 12:29:33,916 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 417 transitions. [2022-11-16 12:29:33,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 417 transitions. [2022-11-16 12:29:33,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:33,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 417 transitions. [2022-11-16 12:29:33,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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) [2022-11-16 12:29:33,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:33,922 INFO L175 Difference]: Start difference. First operand has 135 places, 131 transitions, 288 flow. Second operand 3 states and 417 transitions. [2022-11-16 12:29:33,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 131 transitions, 306 flow [2022-11-16 12:29:33,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 131 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:33,931 INFO L231 Difference]: Finished difference. Result has 135 places, 130 transitions, 282 flow [2022-11-16 12:29:33,931 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=135, PETRI_TRANSITIONS=130} [2022-11-16 12:29:33,934 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -5 predicate places. [2022-11-16 12:29:33,934 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 130 transitions, 282 flow [2022-11-16 12:29:33,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 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) [2022-11-16 12:29:33,935 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:33,936 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:33,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:29:33,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:33,937 INFO L85 PathProgramCache]: Analyzing trace with hash 838425052, now seen corresponding path program 1 times [2022-11-16 12:29:33,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:33,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858434928] [2022-11-16 12:29:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:33,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:34,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:34,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858434928] [2022-11-16 12:29:34,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858434928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:34,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:34,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:34,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577200363] [2022-11-16 12:29:34,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:34,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:34,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:34,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:34,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:34,028 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-16 12:29:34,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 130 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2022-11-16 12:29:34,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:34,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-16 12:29:34,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:34,125 INFO L130 PetriNetUnfolder]: 27/407 cut-off events. [2022-11-16 12:29:34,125 INFO L131 PetriNetUnfolder]: For 19/22 co-relation queries the response was YES. [2022-11-16 12:29:34,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 407 events. 27/407 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1885 event pairs, 8 based on Foata normal form. 2/345 useless extension candidates. Maximal degree in co-relation 357. Up to 45 conditions per place. [2022-11-16 12:29:34,129 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 18 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2022-11-16 12:29:34,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 137 transitions, 350 flow [2022-11-16 12:29:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2022-11-16 12:29:34,132 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2022-11-16 12:29:34,132 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2022-11-16 12:29:34,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2022-11-16 12:29:34,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:34,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2022-11-16 12:29:34,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2022-11-16 12:29:34,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:34,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:34,153 INFO L175 Difference]: Start difference. First operand has 135 places, 130 transitions, 282 flow. Second operand 3 states and 410 transitions. [2022-11-16 12:29:34,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 137 transitions, 350 flow [2022-11-16 12:29:34,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 137 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:34,159 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 310 flow [2022-11-16 12:29:34,164 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2022-11-16 12:29:34,165 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -3 predicate places. [2022-11-16 12:29:34,166 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 310 flow [2022-11-16 12:29:34,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2022-11-16 12:29:34,167 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:34,167 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:34,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:29:34,167 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:34,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1215894531, now seen corresponding path program 1 times [2022-11-16 12:29:34,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:34,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474778015] [2022-11-16 12:29:34,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:34,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:34,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:34,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474778015] [2022-11-16 12:29:34,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474778015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:34,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:34,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:29:34,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25775921] [2022-11-16 12:29:34,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:34,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:29:34,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:34,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:29:34,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:29:34,723 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 150 [2022-11-16 12:29:34,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 310 flow. Second operand has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 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) [2022-11-16 12:29:34,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:34,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 150 [2022-11-16 12:29:34,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:34,839 INFO L130 PetriNetUnfolder]: 6/280 cut-off events. [2022-11-16 12:29:34,840 INFO L131 PetriNetUnfolder]: For 17/42 co-relation queries the response was YES. [2022-11-16 12:29:34,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 280 events. 6/280 cut-off events. For 17/42 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1020 event pairs, 0 based on Foata normal form. 16/259 useless extension candidates. Maximal degree in co-relation 299. Up to 30 conditions per place. [2022-11-16 12:29:34,843 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 14 selfloop transitions, 4 changer transitions 0/132 dead transitions. [2022-11-16 12:29:34,843 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 132 transitions, 344 flow [2022-11-16 12:29:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:29:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:29:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 757 transitions. [2022-11-16 12:29:34,846 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8411111111111111 [2022-11-16 12:29:34,847 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 757 transitions. [2022-11-16 12:29:34,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 757 transitions. [2022-11-16 12:29:34,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:34,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 757 transitions. [2022-11-16 12:29:34,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.16666666666667) internal successors, (757), 6 states have internal predecessors, (757), 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) [2022-11-16 12:29:34,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2022-11-16 12:29:34,854 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2022-11-16 12:29:34,854 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 310 flow. Second operand 6 states and 757 transitions. [2022-11-16 12:29:34,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 132 transitions, 344 flow [2022-11-16 12:29:34,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 132 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:34,859 INFO L231 Difference]: Finished difference. Result has 139 places, 132 transitions, 308 flow [2022-11-16 12:29:34,859 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=139, PETRI_TRANSITIONS=132} [2022-11-16 12:29:34,862 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-16 12:29:34,862 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 132 transitions, 308 flow [2022-11-16 12:29:34,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.83333333333333) internal successors, (749), 6 states have internal predecessors, (749), 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) [2022-11-16 12:29:34,863 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:34,863 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:34,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:29:34,864 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:34,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:34,867 INFO L85 PathProgramCache]: Analyzing trace with hash -630945778, now seen corresponding path program 1 times [2022-11-16 12:29:34,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:34,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330009596] [2022-11-16 12:29:34,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:34,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:34,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:34,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330009596] [2022-11-16 12:29:34,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330009596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:34,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:34,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:34,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611075568] [2022-11-16 12:29:34,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:34,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:34,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:34,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:34,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:34,955 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-16 12:29:34,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2022-11-16 12:29:34,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:34,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-16 12:29:34,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:35,127 INFO L130 PetriNetUnfolder]: 161/800 cut-off events. [2022-11-16 12:29:35,127 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-16 12:29:35,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 800 events. 161/800 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4677 event pairs, 86 based on Foata normal form. 0/642 useless extension candidates. Maximal degree in co-relation 1067. Up to 289 conditions per place. [2022-11-16 12:29:35,133 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 21 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2022-11-16 12:29:35,133 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 141 transitions, 379 flow [2022-11-16 12:29:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2022-11-16 12:29:35,135 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666 [2022-11-16 12:29:35,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2022-11-16 12:29:35,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2022-11-16 12:29:35,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:35,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2022-11-16 12:29:35,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2022-11-16 12:29:35,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,139 INFO L175 Difference]: Start difference. First operand has 139 places, 132 transitions, 308 flow. Second operand 3 states and 408 transitions. [2022-11-16 12:29:35,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 141 transitions, 379 flow [2022-11-16 12:29:35,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 141 transitions, 372 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:29:35,143 INFO L231 Difference]: Finished difference. Result has 139 places, 136 transitions, 339 flow [2022-11-16 12:29:35,143 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=139, PETRI_TRANSITIONS=136} [2022-11-16 12:29:35,146 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-16 12:29:35,146 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 136 transitions, 339 flow [2022-11-16 12:29:35,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2022-11-16 12:29:35,147 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:35,147 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:35,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:29:35,147 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:35,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:35,148 INFO L85 PathProgramCache]: Analyzing trace with hash 600724581, now seen corresponding path program 1 times [2022-11-16 12:29:35,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:35,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142083131] [2022-11-16 12:29:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:35,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:35,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142083131] [2022-11-16 12:29:35,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142083131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:35,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:35,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:35,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425166339] [2022-11-16 12:29:35,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:35,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:35,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:35,220 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 150 [2022-11-16 12:29:35,221 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 136 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:35,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:35,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 150 [2022-11-16 12:29:35,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:35,313 INFO L130 PetriNetUnfolder]: 36/450 cut-off events. [2022-11-16 12:29:35,313 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-11-16 12:29:35,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 647 conditions, 450 events. 36/450 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2166 event pairs, 8 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 514. Up to 47 conditions per place. [2022-11-16 12:29:35,317 INFO L137 encePairwiseOnDemand]: 147/150 looper letters, 10 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2022-11-16 12:29:35,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 136 transitions, 365 flow [2022-11-16 12:29:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 403 transitions. [2022-11-16 12:29:35,319 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8955555555555555 [2022-11-16 12:29:35,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 403 transitions. [2022-11-16 12:29:35,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 403 transitions. [2022-11-16 12:29:35,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:35,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 403 transitions. [2022-11-16 12:29:35,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2022-11-16 12:29:35,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,323 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,323 INFO L175 Difference]: Start difference. First operand has 139 places, 136 transitions, 339 flow. Second operand 3 states and 403 transitions. [2022-11-16 12:29:35,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 136 transitions, 365 flow [2022-11-16 12:29:35,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:35,329 INFO L231 Difference]: Finished difference. Result has 138 places, 135 transitions, 331 flow [2022-11-16 12:29:35,329 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=331, PETRI_PLACES=138, PETRI_TRANSITIONS=135} [2022-11-16 12:29:35,331 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -2 predicate places. [2022-11-16 12:29:35,331 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 135 transitions, 331 flow [2022-11-16 12:29:35,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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) [2022-11-16 12:29:35,331 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:35,332 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:35,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:29:35,332 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:35,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1728382903, now seen corresponding path program 1 times [2022-11-16 12:29:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:35,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887678241] [2022-11-16 12:29:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:35,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:35,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:35,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887678241] [2022-11-16 12:29:35,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887678241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:35,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:35,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:35,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883410142] [2022-11-16 12:29:35,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:35,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:35,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:35,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:35,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:35,387 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 150 [2022-11-16 12:29:35,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 135 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2022-11-16 12:29:35,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:35,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 150 [2022-11-16 12:29:35,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:35,536 INFO L130 PetriNetUnfolder]: 115/785 cut-off events. [2022-11-16 12:29:35,536 INFO L131 PetriNetUnfolder]: For 111/153 co-relation queries the response was YES. [2022-11-16 12:29:35,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 785 events. 115/785 cut-off events. For 111/153 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4905 event pairs, 37 based on Foata normal form. 3/672 useless extension candidates. Maximal degree in co-relation 1120. Up to 148 conditions per place. [2022-11-16 12:29:35,541 INFO L137 encePairwiseOnDemand]: 142/150 looper letters, 24 selfloop transitions, 7 changer transitions 0/148 dead transitions. [2022-11-16 12:29:35,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 148 transitions, 434 flow [2022-11-16 12:29:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2022-11-16 12:29:35,543 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9244444444444444 [2022-11-16 12:29:35,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2022-11-16 12:29:35,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2022-11-16 12:29:35,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:35,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2022-11-16 12:29:35,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2022-11-16 12:29:35,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,546 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:35,547 INFO L175 Difference]: Start difference. First operand has 138 places, 135 transitions, 331 flow. Second operand 3 states and 416 transitions. [2022-11-16 12:29:35,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 148 transitions, 434 flow [2022-11-16 12:29:35,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 148 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:29:35,551 INFO L231 Difference]: Finished difference. Result has 140 places, 141 transitions, 389 flow [2022-11-16 12:29:35,551 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=140, PETRI_TRANSITIONS=141} [2022-11-16 12:29:35,553 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, 0 predicate places. [2022-11-16 12:29:35,553 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 141 transitions, 389 flow [2022-11-16 12:29:35,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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) [2022-11-16 12:29:35,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:35,554 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:35,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:29:35,555 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:35,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:35,555 INFO L85 PathProgramCache]: Analyzing trace with hash 371895722, now seen corresponding path program 1 times [2022-11-16 12:29:35,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:35,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369930467] [2022-11-16 12:29:35,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:35,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:35,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:35,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:35,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369930467] [2022-11-16 12:29:35,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369930467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:35,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:35,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:29:35,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203327347] [2022-11-16 12:29:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:35,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:29:35,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:35,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:29:35,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:29:35,857 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 150 [2022-11-16 12:29:35,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 141 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 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) [2022-11-16 12:29:35,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:35,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 150 [2022-11-16 12:29:35,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:36,003 INFO L130 PetriNetUnfolder]: 35/477 cut-off events. [2022-11-16 12:29:36,003 INFO L131 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2022-11-16 12:29:36,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 477 events. 35/477 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2284 event pairs, 10 based on Foata normal form. 2/433 useless extension candidates. Maximal degree in co-relation 605. Up to 44 conditions per place. [2022-11-16 12:29:36,006 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 21 selfloop transitions, 6 changer transitions 0/139 dead transitions. [2022-11-16 12:29:36,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 139 transitions, 428 flow [2022-11-16 12:29:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:29:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 12:29:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 634 transitions. [2022-11-16 12:29:36,009 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8453333333333334 [2022-11-16 12:29:36,009 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 634 transitions. [2022-11-16 12:29:36,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 634 transitions. [2022-11-16 12:29:36,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:36,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 634 transitions. [2022-11-16 12:29:36,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.8) internal successors, (634), 5 states have internal predecessors, (634), 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) [2022-11-16 12:29:36,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2022-11-16 12:29:36,014 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 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) [2022-11-16 12:29:36,014 INFO L175 Difference]: Start difference. First operand has 140 places, 141 transitions, 389 flow. Second operand 5 states and 634 transitions. [2022-11-16 12:29:36,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 139 transitions, 428 flow [2022-11-16 12:29:36,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 139 transitions, 404 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-11-16 12:29:36,019 INFO L231 Difference]: Finished difference. Result has 138 places, 135 transitions, 351 flow [2022-11-16 12:29:36,019 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=351, PETRI_PLACES=138, PETRI_TRANSITIONS=135} [2022-11-16 12:29:36,020 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -2 predicate places. [2022-11-16 12:29:36,020 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 135 transitions, 351 flow [2022-11-16 12:29:36,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 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) [2022-11-16 12:29:36,021 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:36,021 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:36,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:29:36,021 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:36,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:36,022 INFO L85 PathProgramCache]: Analyzing trace with hash 644082692, now seen corresponding path program 1 times [2022-11-16 12:29:36,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:36,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481553274] [2022-11-16 12:29:36,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:36,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:36,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:36,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481553274] [2022-11-16 12:29:36,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481553274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:36,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:36,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:29:36,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162331637] [2022-11-16 12:29:36,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:36,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:36,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:36,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:36,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:36,081 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 150 [2022-11-16 12:29:36,082 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 135 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2022-11-16 12:29:36,082 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:36,082 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 150 [2022-11-16 12:29:36,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:36,199 INFO L130 PetriNetUnfolder]: 68/507 cut-off events. [2022-11-16 12:29:36,199 INFO L131 PetriNetUnfolder]: For 99/141 co-relation queries the response was YES. [2022-11-16 12:29:36,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 507 events. 68/507 cut-off events. For 99/141 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2452 event pairs, 25 based on Foata normal form. 1/456 useless extension candidates. Maximal degree in co-relation 589. Up to 138 conditions per place. [2022-11-16 12:29:36,202 INFO L137 encePairwiseOnDemand]: 144/150 looper letters, 30 selfloop transitions, 7 changer transitions 0/146 dead transitions. [2022-11-16 12:29:36,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 146 transitions, 467 flow [2022-11-16 12:29:36,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2022-11-16 12:29:36,204 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9066666666666666 [2022-11-16 12:29:36,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2022-11-16 12:29:36,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2022-11-16 12:29:36,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:36,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2022-11-16 12:29:36,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2022-11-16 12:29:36,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:36,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:36,207 INFO L175 Difference]: Start difference. First operand has 138 places, 135 transitions, 351 flow. Second operand 3 states and 408 transitions. [2022-11-16 12:29:36,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 146 transitions, 467 flow [2022-11-16 12:29:36,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 146 transitions, 460 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-16 12:29:36,212 INFO L231 Difference]: Finished difference. Result has 139 places, 139 transitions, 396 flow [2022-11-16 12:29:36,213 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=139, PETRI_TRANSITIONS=139} [2022-11-16 12:29:36,214 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -1 predicate places. [2022-11-16 12:29:36,214 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 139 transitions, 396 flow [2022-11-16 12:29:36,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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) [2022-11-16 12:29:36,216 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:36,216 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:36,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:29:36,217 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:36,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:36,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1439449806, now seen corresponding path program 1 times [2022-11-16 12:29:36,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:36,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361745355] [2022-11-16 12:29:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:36,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:36,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361745355] [2022-11-16 12:29:36,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361745355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:36,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:36,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:29:36,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303081058] [2022-11-16 12:29:36,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:36,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:29:36,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:36,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:29:36,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:29:36,283 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 150 [2022-11-16 12:29:36,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 139 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-11-16 12:29:36,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:36,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 150 [2022-11-16 12:29:36,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:36,334 INFO L130 PetriNetUnfolder]: 3/210 cut-off events. [2022-11-16 12:29:36,335 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-11-16 12:29:36,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 210 events. 3/210 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 473 event pairs, 1 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 197. Up to 10 conditions per place. [2022-11-16 12:29:36,336 INFO L137 encePairwiseOnDemand]: 148/150 looper letters, 9 selfloop transitions, 1 changer transitions 2/124 dead transitions. [2022-11-16 12:29:36,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 124 transitions, 332 flow [2022-11-16 12:29:36,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:29:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:29:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions. [2022-11-16 12:29:36,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9311111111111111 [2022-11-16 12:29:36,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 419 transitions. [2022-11-16 12:29:36,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions. [2022-11-16 12:29:36,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:36,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions. [2022-11-16 12:29:36,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 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) [2022-11-16 12:29:36,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:36,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 150.0) internal successors, (600), 4 states have internal predecessors, (600), 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) [2022-11-16 12:29:36,341 INFO L175 Difference]: Start difference. First operand has 139 places, 139 transitions, 396 flow. Second operand 3 states and 419 transitions. [2022-11-16 12:29:36,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 124 transitions, 332 flow [2022-11-16 12:29:36,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 124 transitions, 296 flow, removed 10 selfloop flow, removed 6 redundant places. [2022-11-16 12:29:36,344 INFO L231 Difference]: Finished difference. Result has 132 places, 120 transitions, 271 flow [2022-11-16 12:29:36,345 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=132, PETRI_TRANSITIONS=120} [2022-11-16 12:29:36,345 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -8 predicate places. [2022-11-16 12:29:36,345 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 120 transitions, 271 flow [2022-11-16 12:29:36,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2022-11-16 12:29:36,346 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:29:36,346 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:36,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:29:36,346 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-16 12:29:36,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:29:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash 940093269, now seen corresponding path program 1 times [2022-11-16 12:29:36,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:29:36,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316326230] [2022-11-16 12:29:36,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:29:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:29:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:29:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:29:36,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:29:36,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316326230] [2022-11-16 12:29:36,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316326230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:29:36,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:29:36,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:29:36,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818087630] [2022-11-16 12:29:36,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:29:36,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:29:36,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:29:36,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:29:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:29:36,850 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 150 [2022-11-16 12:29:36,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 120 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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) [2022-11-16 12:29:36,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:29:36,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 150 [2022-11-16 12:29:36,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:29:36,915 INFO L130 PetriNetUnfolder]: 1/176 cut-off events. [2022-11-16 12:29:36,916 INFO L131 PetriNetUnfolder]: For 5/17 co-relation queries the response was YES. [2022-11-16 12:29:36,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 176 events. 1/176 cut-off events. For 5/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 2/176 useless extension candidates. Maximal degree in co-relation 162. Up to 15 conditions per place. [2022-11-16 12:29:36,916 INFO L137 encePairwiseOnDemand]: 145/150 looper letters, 0 selfloop transitions, 0 changer transitions 119/119 dead transitions. [2022-11-16 12:29:36,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 119 transitions, 301 flow [2022-11-16 12:29:36,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:29:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:29:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 755 transitions. [2022-11-16 12:29:36,919 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8388888888888889 [2022-11-16 12:29:36,919 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 755 transitions. [2022-11-16 12:29:36,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 755 transitions. [2022-11-16 12:29:36,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:29:36,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 755 transitions. [2022-11-16 12:29:36,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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) [2022-11-16 12:29:36,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2022-11-16 12:29:36,924 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 150.0) internal successors, (1050), 7 states have internal predecessors, (1050), 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) [2022-11-16 12:29:36,924 INFO L175 Difference]: Start difference. First operand has 132 places, 120 transitions, 271 flow. Second operand 6 states and 755 transitions. [2022-11-16 12:29:36,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 119 transitions, 301 flow [2022-11-16 12:29:36,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 119 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:29:36,927 INFO L231 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2022-11-16 12:29:36,927 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2022-11-16 12:29:36,927 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -7 predicate places. [2022-11-16 12:29:36,928 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2022-11-16 12:29:36,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.83333333333333) internal successors, (755), 6 states have internal predecessors, (755), 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) [2022-11-16 12:29:36,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-11-16 12:29:36,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-11-16 12:29:36,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-11-16 12:29:36,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2022-11-16 12:29:36,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-11-16 12:29:36,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-11-16 12:29:36,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-11-16 12:29:36,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:29:36,935 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:29:36,940 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:29:36,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:29:36,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:29:36 BasicIcfg [2022-11-16 12:29:36,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:29:36,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:29:36,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:29:36,947 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:29:36,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:32" (3/4) ... [2022-11-16 12:29:36,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:29:36,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2022-11-16 12:29:36,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2022-11-16 12:29:36,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-16 12:29:36,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:29:36,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:29:36,961 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:29:36,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:29:36,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:29:36,992 INFO L158 Benchmark]: Toolchain (without parser) took 5832.97ms. Allocated memory was 104.9MB in the beginning and 218.1MB in the end (delta: 113.2MB). Free memory was 58.4MB in the beginning and 134.0MB in the end (delta: -75.5MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,992 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:29:36,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.29ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 69.1MB in the end (delta: -10.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 104.9MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,993 INFO L158 Benchmark]: Boogie Preprocessor took 70.58ms. Allocated memory is still 104.9MB. Free memory was 66.7MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,993 INFO L158 Benchmark]: RCFGBuilder took 542.85ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 48.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,994 INFO L158 Benchmark]: TraceAbstraction took 4483.60ms. Allocated memory was 104.9MB in the beginning and 218.1MB in the end (delta: 113.2MB). Free memory was 47.5MB in the beginning and 136.1MB in the end (delta: -88.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,994 INFO L158 Benchmark]: Witness Printer took 45.36ms. Allocated memory is still 218.1MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:36,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.29ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 69.1MB in the end (delta: -10.8MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 104.9MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.58ms. Allocated memory is still 104.9MB. Free memory was 66.7MB in the beginning and 64.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.85ms. Allocated memory is still 104.9MB. Free memory was 64.9MB in the beginning and 48.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4483.60ms. Allocated memory was 104.9MB in the beginning and 218.1MB in the end (delta: 113.2MB). Free memory was 47.5MB in the beginning and 136.1MB in the end (delta: -88.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 45.36ms. Allocated memory is still 218.1MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 209 locations, 22 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 93 mSDtfsCounter, 287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 750 ConstructedInterpolants, 0 QuantifiedInterpolants, 1253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:29:37,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf747316-0437-44ed-b237-37795438c597/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE