./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/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_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/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_5fb03f16-9b4d-45a2-b690-44182f851c5f/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 5faf00393d89d658f15bef38d92c45fbf71c11871cf63eee09c2e096e6751445 --- 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 12:52:26,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:52:26,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:52:26,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:52:26,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:52:26,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:52:26,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:52:26,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:52:26,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:52:26,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:52:26,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:52:26,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:52:26,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:52:26,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:52:26,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:52:26,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:52:26,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:52:26,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:52:26,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:52:26,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:52:26,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:52:26,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:52:26,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:52:26,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:52:26,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:52:26,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:52:26,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:52:26,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:52:26,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:52:26,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:52:26,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:52:26,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:52:26,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:52:26,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:52:26,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:52:26,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:52:26,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:52:26,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:52:26,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:52:26,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:52:26,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:52:26,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:52:26,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:52:26,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:52:26,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:52:26,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:52:26,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:52:26,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:52:26,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:52:26,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:52:26,862 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:52:26,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:52:26,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:52:26,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:52:26,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:52:26,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:52:26,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:52:26,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:52:26,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:52:26,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:52:26,865 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:52:26,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:52:26,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:52:26,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:52:26,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:52:26,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:52:26,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:52:26,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:52:26,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:52:26,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:52:26,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:52:26,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:52:26,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:52:26,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:52:26,868 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:52:26,869 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:52:26,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:52:26,869 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_5fb03f16-9b4d-45a2-b690-44182f851c5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5faf00393d89d658f15bef38d92c45fbf71c11871cf63eee09c2e096e6751445 [2022-11-16 12:52:27,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:52:27,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:52:27,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:52:27,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:52:27,173 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:52:27,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i [2022-11-16 12:52:27,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/data/727a2b333/97093ab7ff994cea8c990a0e66897328/FLAG667dccfc2 [2022-11-16 12:52:27,822 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:52:27,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i [2022-11-16 12:52:27,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/data/727a2b333/97093ab7ff994cea8c990a0e66897328/FLAG667dccfc2 [2022-11-16 12:52:28,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/data/727a2b333/97093ab7ff994cea8c990a0e66897328 [2022-11-16 12:52:28,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:52:28,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:52:28,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:28,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:52:28,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:52:28,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:28" (1/1) ... [2022-11-16 12:52:28,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75337b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:28, skipping insertion in model container [2022-11-16 12:52:28,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:52:28" (1/1) ... [2022-11-16 12:52:28,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:52:28,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:52:28,878 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_5fb03f16-9b4d-45a2-b690-44182f851c5f/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i[76077,76090] [2022-11-16 12:52:28,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:28,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:52:28,979 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_5fb03f16-9b4d-45a2-b690-44182f851c5f/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i[76077,76090] [2022-11-16 12:52:29,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:52:29,125 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:52:29,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29 WrapperNode [2022-11-16 12:52:29,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:52:29,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:29,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:52:29,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:52:29,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,234 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-16 12:52:29,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:52:29,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:52:29,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:52:29,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:52:29,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:52:29,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:52:29,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:52:29,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:52:29,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (1/1) ... [2022-11-16 12:52:29,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:52:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:52:29,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:52:29,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb03f16-9b4d-45a2-b690-44182f851c5f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:52:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:52:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:52:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 12:52:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:52:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:52:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:52:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:52:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-16 12:52:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-16 12:52:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:52:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:52:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:52:29,462 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 12:52:29,797 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:52:29,799 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:52:30,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:52:30,340 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:52:30,340 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:52:30,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:30 BoogieIcfgContainer [2022-11-16 12:52:30,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:52:30,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:52:30,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:52:30,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:52:30,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:52:28" (1/3) ... [2022-11-16 12:52:30,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfc7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:52:30, skipping insertion in model container [2022-11-16 12:52:30,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:52:29" (2/3) ... [2022-11-16 12:52:30,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfc7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:52:30, skipping insertion in model container [2022-11-16 12:52:30,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:52:30" (3/3) ... [2022-11-16 12:52:30,355 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5b-container_of.i [2022-11-16 12:52:30,368 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:52:30,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:52:30,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-16 12:52:30,378 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:52:30,518 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:52:30,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-11-16 12:52:30,772 INFO L130 PetriNetUnfolder]: 10/408 cut-off events. [2022-11-16 12:52:30,772 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:52:30,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 10/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 817 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 218. Up to 4 conditions per place. [2022-11-16 12:52:30,781 INFO L82 GeneralOperation]: Start removeDead. Operand has 329 places, 331 transitions, 678 flow [2022-11-16 12:52:30,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 328 transitions, 668 flow [2022-11-16 12:52:30,812 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:52:30,820 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;@3fda209e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:52:30,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-16 12:52:30,832 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-16 12:52:30,832 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:52:30,832 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:52:30,833 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] [2022-11-16 12:52:30,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:52:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:30,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1331486115, now seen corresponding path program 1 times [2022-11-16 12:52:30,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:30,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046003491] [2022-11-16 12:52:30,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:30,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:31,883 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 12:52:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:31,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046003491] [2022-11-16 12:52:31,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046003491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:31,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:31,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:52:31,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212459060] [2022-11-16 12:52:31,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:31,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:52:31,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:31,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:52:31,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:52:31,954 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-11-16 12:52:31,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 328 transitions, 668 flow. Second operand has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 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 12:52:31,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:52:31,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-11-16 12:52:31,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:52:41,292 INFO L130 PetriNetUnfolder]: 21421/46610 cut-off events. [2022-11-16 12:52:41,292 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-11-16 12:52:41,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79955 conditions, 46610 events. 21421/46610 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 1034. Compared 468624 event pairs, 21420 based on Foata normal form. 660/40662 useless extension candidates. Maximal degree in co-relation 76880. Up to 33277 conditions per place. [2022-11-16 12:52:41,604 INFO L137 encePairwiseOnDemand]: 319/331 looper letters, 126 selfloop transitions, 5 changer transitions 2/315 dead transitions. [2022-11-16 12:52:41,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 315 transitions, 904 flow [2022-11-16 12:52:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:52:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:52:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1260 transitions. [2022-11-16 12:52:41,629 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6344410876132931 [2022-11-16 12:52:41,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1260 transitions. [2022-11-16 12:52:41,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1260 transitions. [2022-11-16 12:52:41,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:41,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1260 transitions. [2022-11-16 12:52:41,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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 12:52:41,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:41,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:41,658 INFO L175 Difference]: Start difference. First operand has 327 places, 328 transitions, 668 flow. Second operand 6 states and 1260 transitions. [2022-11-16 12:52:41,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 315 transitions, 904 flow [2022-11-16 12:52:41,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 315 transitions, 896 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:52:41,688 INFO L231 Difference]: Finished difference. Result has 321 places, 313 transitions, 640 flow [2022-11-16 12:52:41,690 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=321, PETRI_TRANSITIONS=313} [2022-11-16 12:52:41,694 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -6 predicate places. [2022-11-16 12:52:41,694 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 313 transitions, 640 flow [2022-11-16 12:52:41,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 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 12:52:41,696 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:52:41,696 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] [2022-11-16 12:52:41,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:52:41,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:52:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash 772640567, now seen corresponding path program 1 times [2022-11-16 12:52:41,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:41,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771438798] [2022-11-16 12:52:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:42,264 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 12:52:42,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:42,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771438798] [2022-11-16 12:52:42,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771438798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:42,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:42,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:52:42,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914518653] [2022-11-16 12:52:42,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:42,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:52:42,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:42,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:52:42,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:52:42,270 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-11-16 12:52:42,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 313 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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 12:52:42,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:52:42,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-11-16 12:52:42,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:52:48,279 INFO L130 PetriNetUnfolder]: 21421/46607 cut-off events. [2022-11-16 12:52:48,280 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-16 12:52:48,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79915 conditions, 46607 events. 21421/46607 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 1034. Compared 468532 event pairs, 21420 based on Foata normal form. 0/40002 useless extension candidates. Maximal degree in co-relation 79853. Up to 33276 conditions per place. [2022-11-16 12:52:48,504 INFO L137 encePairwiseOnDemand]: 325/331 looper letters, 125 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2022-11-16 12:52:48,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 312 transitions, 898 flow [2022-11-16 12:52:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:52:48,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:52:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1253 transitions. [2022-11-16 12:52:48,509 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6309164149043303 [2022-11-16 12:52:48,509 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1253 transitions. [2022-11-16 12:52:48,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1253 transitions. [2022-11-16 12:52:48,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:48,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1253 transitions. [2022-11-16 12:52:48,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.83333333333334) internal successors, (1253), 6 states have internal predecessors, (1253), 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 12:52:48,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:48,519 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:48,519 INFO L175 Difference]: Start difference. First operand has 321 places, 313 transitions, 640 flow. Second operand 6 states and 1253 transitions. [2022-11-16 12:52:48,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 312 transitions, 898 flow [2022-11-16 12:52:48,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 312 transitions, 888 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:52:48,526 INFO L231 Difference]: Finished difference. Result has 318 places, 312 transitions, 638 flow [2022-11-16 12:52:48,527 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=318, PETRI_TRANSITIONS=312} [2022-11-16 12:52:48,528 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -9 predicate places. [2022-11-16 12:52:48,528 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 312 transitions, 638 flow [2022-11-16 12:52:48,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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 12:52:48,529 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:52:48,529 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] [2022-11-16 12:52:48,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:52:48,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:52:48,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash 608711994, now seen corresponding path program 1 times [2022-11-16 12:52:48,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:48,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578170993] [2022-11-16 12:52:48,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:49,163 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 12:52:49,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:49,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578170993] [2022-11-16 12:52:49,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578170993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:49,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:49,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:52:49,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011747116] [2022-11-16 12:52:49,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:49,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:52:49,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:49,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:52:49,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:52:49,170 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 331 [2022-11-16 12:52:49,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 312 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 12:52:49,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:52:49,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 331 [2022-11-16 12:52:49,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:52:57,298 INFO L130 PetriNetUnfolder]: 30985/61557 cut-off events. [2022-11-16 12:52:57,298 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-16 12:52:57,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109482 conditions, 61557 events. 30985/61557 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 1193. Compared 596053 event pairs, 25544 based on Foata normal form. 0/53382 useless extension candidates. Maximal degree in co-relation 109409. Up to 44588 conditions per place. [2022-11-16 12:52:57,568 INFO L137 encePairwiseOnDemand]: 300/331 looper letters, 183 selfloop transitions, 102 changer transitions 0/461 dead transitions. [2022-11-16 12:52:57,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 461 transitions, 1506 flow [2022-11-16 12:52:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:52:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:52:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1372 transitions. [2022-11-16 12:52:57,573 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6908358509566969 [2022-11-16 12:52:57,573 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1372 transitions. [2022-11-16 12:52:57,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1372 transitions. [2022-11-16 12:52:57,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:57,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1372 transitions. [2022-11-16 12:52:57,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.66666666666666) internal successors, (1372), 6 states have internal predecessors, (1372), 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 12:52:57,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:57,586 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:57,586 INFO L175 Difference]: Start difference. First operand has 318 places, 312 transitions, 638 flow. Second operand 6 states and 1372 transitions. [2022-11-16 12:52:57,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 461 transitions, 1506 flow [2022-11-16 12:52:57,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 461 transitions, 1496 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:52:57,597 INFO L231 Difference]: Finished difference. Result has 323 places, 413 transitions, 1298 flow [2022-11-16 12:52:57,597 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1298, PETRI_PLACES=323, PETRI_TRANSITIONS=413} [2022-11-16 12:52:57,600 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -4 predicate places. [2022-11-16 12:52:57,600 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 413 transitions, 1298 flow [2022-11-16 12:52:57,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 12:52:57,601 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:52:57,602 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] [2022-11-16 12:52:57,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:52:57,602 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:52:57,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:57,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1588528600, now seen corresponding path program 1 times [2022-11-16 12:52:57,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:57,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453042490] [2022-11-16 12:52:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:57,757 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 12:52:57,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:57,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453042490] [2022-11-16 12:52:57,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453042490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:57,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:57,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:52:57,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907914062] [2022-11-16 12:52:57,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:57,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:52:57,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:57,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:52:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:52:57,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 331 [2022-11-16 12:52:57,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 413 transitions, 1298 flow. Second operand has 5 states, 5 states have (on average 305.8) internal successors, (1529), 5 states have internal predecessors, (1529), 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 12:52:57,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:52:57,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 331 [2022-11-16 12:52:57,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:52:58,916 INFO L130 PetriNetUnfolder]: 3462/8450 cut-off events. [2022-11-16 12:52:58,916 INFO L131 PetriNetUnfolder]: For 1456/1541 co-relation queries the response was YES. [2022-11-16 12:52:58,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16709 conditions, 8450 events. 3462/8450 cut-off events. For 1456/1541 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 66817 event pairs, 1176 based on Foata normal form. 0/7966 useless extension candidates. Maximal degree in co-relation 15818. Up to 3906 conditions per place. [2022-11-16 12:52:58,977 INFO L137 encePairwiseOnDemand]: 326/331 looper letters, 16 selfloop transitions, 4 changer transitions 0/418 dead transitions. [2022-11-16 12:52:58,978 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 418 transitions, 1348 flow [2022-11-16 12:52:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:52:58,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:52:58,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1845 transitions. [2022-11-16 12:52:58,984 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9290030211480362 [2022-11-16 12:52:58,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1845 transitions. [2022-11-16 12:52:58,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1845 transitions. [2022-11-16 12:52:58,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:52:58,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1845 transitions. [2022-11-16 12:52:58,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.5) internal successors, (1845), 6 states have internal predecessors, (1845), 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 12:52:58,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:58,996 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:52:58,996 INFO L175 Difference]: Start difference. First operand has 323 places, 413 transitions, 1298 flow. Second operand 6 states and 1845 transitions. [2022-11-16 12:52:58,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 418 transitions, 1348 flow [2022-11-16 12:52:59,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 418 transitions, 1348 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:52:59,058 INFO L231 Difference]: Finished difference. Result has 332 places, 416 transitions, 1327 flow [2022-11-16 12:52:59,059 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1327, PETRI_PLACES=332, PETRI_TRANSITIONS=416} [2022-11-16 12:52:59,060 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, 5 predicate places. [2022-11-16 12:52:59,060 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 416 transitions, 1327 flow [2022-11-16 12:52:59,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 305.8) internal successors, (1529), 5 states have internal predecessors, (1529), 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 12:52:59,061 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:52:59,062 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] [2022-11-16 12:52:59,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:52:59,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:52:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash -620758931, now seen corresponding path program 1 times [2022-11-16 12:52:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:52:59,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607613964] [2022-11-16 12:52:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:52:59,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:52:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:52:59,696 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 12:52:59,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:52:59,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607613964] [2022-11-16 12:52:59,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607613964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:52:59,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:52:59,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:52:59,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245268688] [2022-11-16 12:52:59,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:52:59,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:52:59,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:52:59,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:52:59,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:52:59,702 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 331 [2022-11-16 12:52:59,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 416 transitions, 1327 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 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 12:52:59,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:52:59,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 331 [2022-11-16 12:52:59,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:53:11,889 INFO L130 PetriNetUnfolder]: 43166/85923 cut-off events. [2022-11-16 12:53:11,890 INFO L131 PetriNetUnfolder]: For 21526/22045 co-relation queries the response was YES. [2022-11-16 12:53:12,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189999 conditions, 85923 events. 43166/85923 cut-off events. For 21526/22045 co-relation queries the response was YES. Maximal size of possible extension queue 1541. Compared 866561 event pairs, 27976 based on Foata normal form. 4/76040 useless extension candidates. Maximal degree in co-relation 189884. Up to 60124 conditions per place. [2022-11-16 12:53:12,346 INFO L137 encePairwiseOnDemand]: 292/331 looper letters, 295 selfloop transitions, 228 changer transitions 0/708 dead transitions. [2022-11-16 12:53:12,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 708 transitions, 3489 flow [2022-11-16 12:53:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:53:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:53:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1449 transitions. [2022-11-16 12:53:12,351 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.729607250755287 [2022-11-16 12:53:12,352 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1449 transitions. [2022-11-16 12:53:12,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1449 transitions. [2022-11-16 12:53:12,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:53:12,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1449 transitions. [2022-11-16 12:53:12,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 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 12:53:12,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:53:12,361 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 12:53:12,361 INFO L175 Difference]: Start difference. First operand has 332 places, 416 transitions, 1327 flow. Second operand 6 states and 1449 transitions. [2022-11-16 12:53:12,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 708 transitions, 3489 flow [2022-11-16 12:53:12,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 708 transitions, 3488 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:53:12,508 INFO L231 Difference]: Finished difference. Result has 341 places, 639 transitions, 3370 flow [2022-11-16 12:53:12,509 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1326, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3370, PETRI_PLACES=341, PETRI_TRANSITIONS=639} [2022-11-16 12:53:12,510 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, 14 predicate places. [2022-11-16 12:53:12,510 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 639 transitions, 3370 flow [2022-11-16 12:53:12,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 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 12:53:12,511 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:53:12,511 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] [2022-11-16 12:53:12,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:53:12,512 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-16 12:53:12,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:53:12,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1202845441, now seen corresponding path program 1 times [2022-11-16 12:53:12,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:53:12,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451326093] [2022-11-16 12:53:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:53:12,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:53:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:53:13,008 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 12:53:13,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:53:13,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451326093] [2022-11-16 12:53:13,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451326093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:53:13,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:53:13,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:53:13,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35403748] [2022-11-16 12:53:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:53:13,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:53:13,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:53:13,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:53:13,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:53:13,013 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 331 [2022-11-16 12:53:13,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 639 transitions, 3370 flow. Second operand has 6 states, 6 states have (on average 185.33333333333334) internal successors, (1112), 6 states have internal predecessors, (1112), 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 12:53:13,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:53:13,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 331 [2022-11-16 12:53:13,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand