./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 --- 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-4e7fbc6 [2022-11-23 14:48:21,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:48:21,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:48:21,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:48:21,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:48:21,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:48:21,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:48:21,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:48:21,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:48:21,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:48:21,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:48:21,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:48:21,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:48:21,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:48:21,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:48:21,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:48:21,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:48:21,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:48:21,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:48:21,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:48:21,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:48:21,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:48:21,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:48:21,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:48:21,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:48:21,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:48:21,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:48:21,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:48:21,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:48:21,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:48:21,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:48:21,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:48:21,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:48:21,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:48:21,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:48:21,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:48:21,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:48:21,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:48:21,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:48:21,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:48:21,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:48:21,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 14:48:21,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:48:21,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:48:21,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:48:21,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:48:21,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:48:21,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:48:21,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:48:21,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:48:21,174 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:48:21,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:48:21,174 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:48:21,174 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:48:21,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:48:21,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:48:21,175 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:48:21,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:48:21,176 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:48:21,176 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:48:21,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:48:21,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:48:21,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:48:21,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:48:21,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:48:21,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:48:21,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:48:21,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:48:21,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:48:21,180 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 14:48:21,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:48:21,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:48:21,181 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:48:21,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:48:21,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:48:21,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:48:21,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:48:21,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:48:21,185 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:48:21,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:48:21,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:48:21,186 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:48:21,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:48:21,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:48:21,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:48:21,186 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_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c870162e8691a06e8bb6a8083be9eaf3f7ddc94357fb302a6e1fdd1b7aa873f8 [2022-11-23 14:48:21,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:48:21,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:48:21,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:48:21,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:48:21,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:48:21,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2022-11-23 14:48:25,170 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:48:25,427 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:48:25,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2022-11-23 14:48:25,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/data/fe437253b/97a9c9af1b2f40ea80d55196435e9744/FLAG00267da9b [2022-11-23 14:48:25,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/data/fe437253b/97a9c9af1b2f40ea80d55196435e9744 [2022-11-23 14:48:25,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:48:25,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:48:25,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:48:25,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:48:25,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:48:25,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:25,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc80dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25, skipping insertion in model container [2022-11-23 14:48:25,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:25,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:48:25,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:48:25,789 WARN L237 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_a81a968e-7665-4302-8c79-4f1c8fe63611/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-11-23 14:48:25,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:48:25,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:48:25,858 WARN L237 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_a81a968e-7665-4302-8c79-4f1c8fe63611/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2755,2768] [2022-11-23 14:48:25,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:48:25,891 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:48:25,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25 WrapperNode [2022-11-23 14:48:25,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:48:25,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:48:25,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:48:25,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:48:25,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:25,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:25,980 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 516 [2022-11-23 14:48:25,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:48:25,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:48:25,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:48:25,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:48:26,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:48:26,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:48:26,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:48:26,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:48:26,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (1/1) ... [2022-11-23 14:48:26,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:48:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:48:26,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:48:26,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:48:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:48:26,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-23 14:48:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-23 14:48:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-23 14:48:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-23 14:48:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:48:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:48:26,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:48:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:48:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:48:26,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:48:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:48:26,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:48:26,160 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:48:26,433 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:48:26,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:48:27,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:48:27,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:48:27,582 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 14:48:27,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:27 BoogieIcfgContainer [2022-11-23 14:48:27,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:48:27,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:48:27,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:48:27,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:48:27,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:48:25" (1/3) ... [2022-11-23 14:48:27,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1f4134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:27, skipping insertion in model container [2022-11-23 14:48:27,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:25" (2/3) ... [2022-11-23 14:48:27,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1f4134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:27, skipping insertion in model container [2022-11-23 14:48:27,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:27" (3/3) ... [2022-11-23 14:48:27,606 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-11-23 14:48:27,619 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:48:27,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:48:27,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-23 14:48:27,634 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:48:27,879 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-23 14:48:27,953 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:48:27,979 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 688 places, 714 transitions, 1444 flow [2022-11-23 14:48:27,985 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 688 places, 714 transitions, 1444 flow [2022-11-23 14:48:27,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 688 places, 714 transitions, 1444 flow [2022-11-23 14:48:28,484 INFO L130 PetriNetUnfolder]: 33/712 cut-off events. [2022-11-23 14:48:28,484 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-23 14:48:28,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 712 events. 33/712 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1884 event pairs, 0 based on Foata normal form. 0/604 useless extension candidates. Maximal degree in co-relation 461. Up to 2 conditions per place. [2022-11-23 14:48:28,567 INFO L119 LiptonReduction]: Number of co-enabled transitions 112268 [2022-11-23 14:49:02,418 INFO L134 LiptonReduction]: Checked pairs total: 286684 [2022-11-23 14:49:02,419 INFO L136 LiptonReduction]: Total number of compositions: 992 [2022-11-23 14:49:02,429 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 145 transitions, 306 flow [2022-11-23 14:49:03,124 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15243 states, 13944 states have (on average 3.2121342512908777) internal successors, (44790), 15242 states have internal predecessors, (44790), 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) [2022-11-23 14:49:03,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:49:03,166 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70e7f968, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:49:03,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2022-11-23 14:49:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 15243 states, 13944 states have (on average 3.2121342512908777) internal successors, (44790), 15242 states have internal predecessors, (44790), 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) [2022-11-23 14:49:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-23 14:49:03,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:03,218 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-23 14:49:03,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:03,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2928, now seen corresponding path program 1 times [2022-11-23 14:49:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:03,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596761674] [2022-11-23 14:49:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:03,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:03,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:03,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596761674] [2022-11-23 14:49:03,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596761674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:03,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:03,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-23 14:49:03,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835836397] [2022-11-23 14:49:03,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:03,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:49:03,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:03,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:49:03,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:49:03,471 INFO L87 Difference]: Start difference. First operand has 15243 states, 13944 states have (on average 3.2121342512908777) internal successors, (44790), 15242 states have internal predecessors, (44790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-23 14:49:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:03,771 INFO L93 Difference]: Finished difference Result 5338 states and 15428 transitions. [2022-11-23 14:49:03,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:49:03,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-23 14:49:03,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:03,835 INFO L225 Difference]: With dead ends: 5338 [2022-11-23 14:49:03,835 INFO L226 Difference]: Without dead ends: 5335 [2022-11-23 14:49:03,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:49:03,840 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:03,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:49:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2022-11-23 14:49:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 5335. [2022-11-23 14:49:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 5258 states have (on average 2.933244579688094) internal successors, (15423), 5334 states have internal predecessors, (15423), 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) [2022-11-23 14:49:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 15423 transitions. [2022-11-23 14:49:04,213 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 15423 transitions. Word has length 1 [2022-11-23 14:49:04,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:04,215 INFO L495 AbstractCegarLoop]: Abstraction has 5335 states and 15423 transitions. [2022-11-23 14:49:04,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-23 14:49:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 15423 transitions. [2022-11-23 14:49:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:49:04,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:04,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:49:04,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:49:04,218 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:04,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:04,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2048085964, now seen corresponding path program 1 times [2022-11-23 14:49:04,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:04,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384290491] [2022-11-23 14:49:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:04,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:04,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:04,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384290491] [2022-11-23 14:49:04,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384290491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:04,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:04,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:49:04,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140175350] [2022-11-23 14:49:04,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:04,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:04,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:04,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:04,437 INFO L87 Difference]: Start difference. First operand 5335 states and 15423 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 14:49:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:04,875 INFO L93 Difference]: Finished difference Result 8463 states and 24818 transitions. [2022-11-23 14:49:04,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:04,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-23 14:49:04,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:04,944 INFO L225 Difference]: With dead ends: 8463 [2022-11-23 14:49:04,944 INFO L226 Difference]: Without dead ends: 8463 [2022-11-23 14:49:04,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:04,947 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 54 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:04,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 64 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:49:04,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8463 states. [2022-11-23 14:49:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8463 to 5151. [2022-11-23 14:49:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5151 states, 5086 states have (on average 2.9280377506881634) internal successors, (14892), 5150 states have internal predecessors, (14892), 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) [2022-11-23 14:49:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 5151 states and 14892 transitions. [2022-11-23 14:49:05,252 INFO L78 Accepts]: Start accepts. Automaton has 5151 states and 14892 transitions. Word has length 6 [2022-11-23 14:49:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:05,253 INFO L495 AbstractCegarLoop]: Abstraction has 5151 states and 14892 transitions. [2022-11-23 14:49:05,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-23 14:49:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 5151 states and 14892 transitions. [2022-11-23 14:49:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:49:05,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:05,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:05,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:49:05,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1205339234, now seen corresponding path program 1 times [2022-11-23 14:49:05,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:05,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747004064] [2022-11-23 14:49:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:05,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:05,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:05,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747004064] [2022-11-23 14:49:05,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747004064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:05,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:05,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:49:05,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495415681] [2022-11-23 14:49:05,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:05,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:05,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:05,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:05,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:05,407 INFO L87 Difference]: Start difference. First operand 5151 states and 14892 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-23 14:49:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:05,629 INFO L93 Difference]: Finished difference Result 8287 states and 24260 transitions. [2022-11-23 14:49:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:05,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 14:49:05,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:05,682 INFO L225 Difference]: With dead ends: 8287 [2022-11-23 14:49:05,682 INFO L226 Difference]: Without dead ends: 8285 [2022-11-23 14:49:05,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:05,684 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 61 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:05,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 62 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:49:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8285 states. [2022-11-23 14:49:05,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8285 to 4953. [2022-11-23 14:49:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4953 states, 4899 states have (on average 2.9244743825270465) internal successors, (14327), 4952 states have internal predecessors, (14327), 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) [2022-11-23 14:49:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 14327 transitions. [2022-11-23 14:49:06,075 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 14327 transitions. Word has length 8 [2022-11-23 14:49:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:06,077 INFO L495 AbstractCegarLoop]: Abstraction has 4953 states and 14327 transitions. [2022-11-23 14:49:06,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-23 14:49:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 14327 transitions. [2022-11-23 14:49:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 14:49:06,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:06,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:06,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:49:06,080 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:06,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:06,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1290501285, now seen corresponding path program 1 times [2022-11-23 14:49:06,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:06,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317216832] [2022-11-23 14:49:06,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:06,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:06,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:06,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317216832] [2022-11-23 14:49:06,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317216832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:06,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:06,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:49:06,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827629481] [2022-11-23 14:49:06,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:06,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:49:06,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:06,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:49:06,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:06,540 INFO L87 Difference]: Start difference. First operand 4953 states and 14327 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:07,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:07,248 INFO L93 Difference]: Finished difference Result 4278 states and 12250 transitions. [2022-11-23 14:49:07,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:07,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 14:49:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:07,270 INFO L225 Difference]: With dead ends: 4278 [2022-11-23 14:49:07,270 INFO L226 Difference]: Without dead ends: 4278 [2022-11-23 14:49:07,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:07,272 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 78 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:07,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 37 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 14:49:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4278 states. [2022-11-23 14:49:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4278 to 4278. [2022-11-23 14:49:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4278 states, 4249 states have (on average 2.883031301482702) internal successors, (12250), 4277 states have internal predecessors, (12250), 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) [2022-11-23 14:49:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 12250 transitions. [2022-11-23 14:49:07,417 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 12250 transitions. Word has length 9 [2022-11-23 14:49:07,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:07,417 INFO L495 AbstractCegarLoop]: Abstraction has 4278 states and 12250 transitions. [2022-11-23 14:49:07,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 12250 transitions. [2022-11-23 14:49:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:49:07,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:07,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:07,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:49:07,420 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:07,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1863911091, now seen corresponding path program 1 times [2022-11-23 14:49:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:07,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850894463] [2022-11-23 14:49:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:07,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:07,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850894463] [2022-11-23 14:49:07,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850894463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:07,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:07,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:49:07,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010013707] [2022-11-23 14:49:07,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:07,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:49:07,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:07,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:49:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:49:07,606 INFO L87 Difference]: Start difference. First operand 4278 states and 12250 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-23 14:49:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:07,866 INFO L93 Difference]: Finished difference Result 5059 states and 14190 transitions. [2022-11-23 14:49:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 14:49:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:07,890 INFO L225 Difference]: With dead ends: 5059 [2022-11-23 14:49:07,890 INFO L226 Difference]: Without dead ends: 5059 [2022-11-23 14:49:07,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:07,893 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 128 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:07,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 91 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:49:08,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2022-11-23 14:49:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4584. [2022-11-23 14:49:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 4555 states have (on average 2.8810098792535674) internal successors, (13123), 4583 states have internal predecessors, (13123), 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) [2022-11-23 14:49:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 13123 transitions. [2022-11-23 14:49:08,151 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 13123 transitions. Word has length 10 [2022-11-23 14:49:08,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:08,152 INFO L495 AbstractCegarLoop]: Abstraction has 4584 states and 13123 transitions. [2022-11-23 14:49:08,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-11-23 14:49:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 13123 transitions. [2022-11-23 14:49:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:49:08,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:08,155 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:08,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:49:08,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:08,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:08,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1625918553, now seen corresponding path program 1 times [2022-11-23 14:49:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:08,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740849957] [2022-11-23 14:49:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:08,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:49:08,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740849957] [2022-11-23 14:49:08,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740849957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:08,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:08,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:49:08,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6399202] [2022-11-23 14:49:08,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:08,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:49:08,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:08,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:49:08,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:08,386 INFO L87 Difference]: Start difference. First operand 4584 states and 13123 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:08,909 INFO L93 Difference]: Finished difference Result 4128 states and 11818 transitions. [2022-11-23 14:49:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:08,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:49:08,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:08,928 INFO L225 Difference]: With dead ends: 4128 [2022-11-23 14:49:08,928 INFO L226 Difference]: Without dead ends: 4128 [2022-11-23 14:49:08,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:08,930 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 56 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:08,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 27 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 14:49:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4128 states. [2022-11-23 14:49:09,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4128 to 4128. [2022-11-23 14:49:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 4114 states have (on average 2.8726300437530385) internal successors, (11818), 4127 states have internal predecessors, (11818), 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) [2022-11-23 14:49:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 11818 transitions. [2022-11-23 14:49:09,085 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 11818 transitions. Word has length 11 [2022-11-23 14:49:09,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:09,087 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 11818 transitions. [2022-11-23 14:49:09,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 11818 transitions. [2022-11-23 14:49:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:49:09,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:09,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:09,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:49:09,093 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:09,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:09,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1837916978, now seen corresponding path program 1 times [2022-11-23 14:49:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:09,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547121399] [2022-11-23 14:49:09,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:09,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:09,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:09,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547121399] [2022-11-23 14:49:09,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547121399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:09,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:09,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:49:09,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823118302] [2022-11-23 14:49:09,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:09,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:49:09,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:09,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:49:09,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:49:09,263 INFO L87 Difference]: Start difference. First operand 4128 states and 11818 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:09,475 INFO L93 Difference]: Finished difference Result 3952 states and 11227 transitions. [2022-11-23 14:49:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:09,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:49:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:09,493 INFO L225 Difference]: With dead ends: 3952 [2022-11-23 14:49:09,493 INFO L226 Difference]: Without dead ends: 3948 [2022-11-23 14:49:09,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:09,495 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 75 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:09,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 116 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:49:09,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3948 states. [2022-11-23 14:49:09,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 3914. [2022-11-23 14:49:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3914 states, 3900 states have (on average 2.862051282051282) internal successors, (11162), 3913 states have internal predecessors, (11162), 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) [2022-11-23 14:49:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 11162 transitions. [2022-11-23 14:49:09,618 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 11162 transitions. Word has length 11 [2022-11-23 14:49:09,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:09,618 INFO L495 AbstractCegarLoop]: Abstraction has 3914 states and 11162 transitions. [2022-11-23 14:49:09,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:49:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 11162 transitions. [2022-11-23 14:49:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:49:09,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:09,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:09,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 14:49:09,621 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:09,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:09,621 INFO L85 PathProgramCache]: Analyzing trace with hash -625751064, now seen corresponding path program 1 times [2022-11-23 14:49:09,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:09,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860763774] [2022-11-23 14:49:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:09,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:09,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:49:09,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:09,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860763774] [2022-11-23 14:49:09,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860763774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:09,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:09,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:49:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855266968] [2022-11-23 14:49:09,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:09,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:49:09,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:09,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:49:09,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:09,969 INFO L87 Difference]: Start difference. First operand 3914 states and 11162 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-23 14:49:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:10,447 INFO L93 Difference]: Finished difference Result 3461 states and 9878 transitions. [2022-11-23 14:49:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:10,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-23 14:49:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:10,463 INFO L225 Difference]: With dead ends: 3461 [2022-11-23 14:49:10,463 INFO L226 Difference]: Without dead ends: 3461 [2022-11-23 14:49:10,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:10,464 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 66 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:10,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 28 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:49:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2022-11-23 14:49:10,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 3461. [2022-11-23 14:49:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3461 states, 3456 states have (on average 2.8582175925925926) internal successors, (9878), 3460 states have internal predecessors, (9878), 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) [2022-11-23 14:49:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3461 states and 9878 transitions. [2022-11-23 14:49:10,621 INFO L78 Accepts]: Start accepts. Automaton has 3461 states and 9878 transitions. Word has length 12 [2022-11-23 14:49:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:10,622 INFO L495 AbstractCegarLoop]: Abstraction has 3461 states and 9878 transitions. [2022-11-23 14:49:10,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-23 14:49:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3461 states and 9878 transitions. [2022-11-23 14:49:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-23 14:49:10,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:10,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:10,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 14:49:10,627 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1503690422, now seen corresponding path program 1 times [2022-11-23 14:49:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:10,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616980006] [2022-11-23 14:49:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:10,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616980006] [2022-11-23 14:49:10,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616980006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:10,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:10,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:49:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540346966] [2022-11-23 14:49:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:10,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:49:10,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:49:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:10,991 INFO L87 Difference]: Start difference. First operand 3461 states and 9878 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-23 14:49:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:11,381 INFO L93 Difference]: Finished difference Result 3437 states and 9829 transitions. [2022-11-23 14:49:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:49:11,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-23 14:49:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:11,400 INFO L225 Difference]: With dead ends: 3437 [2022-11-23 14:49:11,400 INFO L226 Difference]: Without dead ends: 3316 [2022-11-23 14:49:11,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:49:11,402 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:11,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 36 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:49:11,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2022-11-23 14:49:11,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3316. [2022-11-23 14:49:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3313 states have (on average 2.8774524600060367) internal successors, (9533), 3315 states have internal predecessors, (9533), 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) [2022-11-23 14:49:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 9533 transitions. [2022-11-23 14:49:11,533 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 9533 transitions. Word has length 18 [2022-11-23 14:49:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:11,534 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 9533 transitions. [2022-11-23 14:49:11,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-23 14:49:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 9533 transitions. [2022-11-23 14:49:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 14:49:11,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:11,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:11,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 14:49:11,540 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:11,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:11,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1665455482, now seen corresponding path program 1 times [2022-11-23 14:49:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:11,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788534434] [2022-11-23 14:49:11,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:49:11,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:11,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788534434] [2022-11-23 14:49:11,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788534434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:11,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:11,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:49:11,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023974646] [2022-11-23 14:49:11,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:11,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:11,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:11,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:11,625 INFO L87 Difference]: Start difference. First operand 3316 states and 9533 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-23 14:49:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:11,753 INFO L93 Difference]: Finished difference Result 3316 states and 9533 transitions. [2022-11-23 14:49:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:11,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 14:49:11,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:11,768 INFO L225 Difference]: With dead ends: 3316 [2022-11-23 14:49:11,768 INFO L226 Difference]: Without dead ends: 3052 [2022-11-23 14:49:11,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:11,769 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 54 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:11,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 44 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:49:11,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-23 14:49:11,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 2930. [2022-11-23 14:49:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2930 states, 2929 states have (on average 2.875725503584841) internal successors, (8423), 2929 states have internal predecessors, (8423), 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) [2022-11-23 14:49:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2930 states and 8423 transitions. [2022-11-23 14:49:11,884 INFO L78 Accepts]: Start accepts. Automaton has 2930 states and 8423 transitions. Word has length 19 [2022-11-23 14:49:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:11,885 INFO L495 AbstractCegarLoop]: Abstraction has 2930 states and 8423 transitions. [2022-11-23 14:49:11,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-23 14:49:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 8423 transitions. [2022-11-23 14:49:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 14:49:11,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:11,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:11,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 14:49:11,891 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE (and 121 more)] === [2022-11-23 14:49:11,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1631799843, now seen corresponding path program 1 times [2022-11-23 14:49:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:11,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325351930] [2022-11-23 14:49:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:49:11,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:11,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325351930] [2022-11-23 14:49:11,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325351930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:11,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:49:11,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:49:11,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587790479] [2022-11-23 14:49:11,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:11,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:49:11,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:11,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:49:11,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:11,953 INFO L87 Difference]: Start difference. First operand 2930 states and 8423 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-23 14:49:12,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:12,062 INFO L93 Difference]: Finished difference Result 2930 states and 8423 transitions. [2022-11-23 14:49:12,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:49:12,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-23 14:49:12,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:12,064 INFO L225 Difference]: With dead ends: 2930 [2022-11-23 14:49:12,064 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:49:12,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:49:12,065 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:12,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 49 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:49:12,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:49:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:49:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-23 14:49:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:49:12,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-23 14:49:12,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:12,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:49:12,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-23 14:49:12,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:49:12,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:49:12,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (124 of 125 remaining) [2022-11-23 14:49:12,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (123 of 125 remaining) [2022-11-23 14:49:12,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (122 of 125 remaining) [2022-11-23 14:49:12,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (121 of 125 remaining) [2022-11-23 14:49:12,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (120 of 125 remaining) [2022-11-23 14:49:12,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (119 of 125 remaining) [2022-11-23 14:49:12,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (118 of 125 remaining) [2022-11-23 14:49:12,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (117 of 125 remaining) [2022-11-23 14:49:12,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (116 of 125 remaining) [2022-11-23 14:49:12,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (115 of 125 remaining) [2022-11-23 14:49:12,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (114 of 125 remaining) [2022-11-23 14:49:12,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (113 of 125 remaining) [2022-11-23 14:49:12,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 125 remaining) [2022-11-23 14:49:12,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (111 of 125 remaining) [2022-11-23 14:49:12,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (110 of 125 remaining) [2022-11-23 14:49:12,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (109 of 125 remaining) [2022-11-23 14:49:12,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (108 of 125 remaining) [2022-11-23 14:49:12,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (107 of 125 remaining) [2022-11-23 14:49:12,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (106 of 125 remaining) [2022-11-23 14:49:12,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 125 remaining) [2022-11-23 14:49:12,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (104 of 125 remaining) [2022-11-23 14:49:12,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (103 of 125 remaining) [2022-11-23 14:49:12,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (102 of 125 remaining) [2022-11-23 14:49:12,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (101 of 125 remaining) [2022-11-23 14:49:12,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (100 of 125 remaining) [2022-11-23 14:49:12,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (99 of 125 remaining) [2022-11-23 14:49:12,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (98 of 125 remaining) [2022-11-23 14:49:12,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (97 of 125 remaining) [2022-11-23 14:49:12,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (96 of 125 remaining) [2022-11-23 14:49:12,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (95 of 125 remaining) [2022-11-23 14:49:12,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (94 of 125 remaining) [2022-11-23 14:49:12,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (93 of 125 remaining) [2022-11-23 14:49:12,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 125 remaining) [2022-11-23 14:49:12,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (91 of 125 remaining) [2022-11-23 14:49:12,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (90 of 125 remaining) [2022-11-23 14:49:12,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (89 of 125 remaining) [2022-11-23 14:49:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (88 of 125 remaining) [2022-11-23 14:49:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (87 of 125 remaining) [2022-11-23 14:49:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 125 remaining) [2022-11-23 14:49:12,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 125 remaining) [2022-11-23 14:49:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (84 of 125 remaining) [2022-11-23 14:49:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (83 of 125 remaining) [2022-11-23 14:49:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (82 of 125 remaining) [2022-11-23 14:49:12,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 125 remaining) [2022-11-23 14:49:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (80 of 125 remaining) [2022-11-23 14:49:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (79 of 125 remaining) [2022-11-23 14:49:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (78 of 125 remaining) [2022-11-23 14:49:12,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (77 of 125 remaining) [2022-11-23 14:49:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (76 of 125 remaining) [2022-11-23 14:49:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (75 of 125 remaining) [2022-11-23 14:49:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (74 of 125 remaining) [2022-11-23 14:49:12,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (73 of 125 remaining) [2022-11-23 14:49:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 125 remaining) [2022-11-23 14:49:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (71 of 125 remaining) [2022-11-23 14:49:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (70 of 125 remaining) [2022-11-23 14:49:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (69 of 125 remaining) [2022-11-23 14:49:12,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 125 remaining) [2022-11-23 14:49:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (67 of 125 remaining) [2022-11-23 14:49:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 125 remaining) [2022-11-23 14:49:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (65 of 125 remaining) [2022-11-23 14:49:12,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (64 of 125 remaining) [2022-11-23 14:49:12,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (63 of 125 remaining) [2022-11-23 14:49:12,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (62 of 125 remaining) [2022-11-23 14:49:12,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (61 of 125 remaining) [2022-11-23 14:49:12,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (60 of 125 remaining) [2022-11-23 14:49:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (59 of 125 remaining) [2022-11-23 14:49:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (58 of 125 remaining) [2022-11-23 14:49:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (57 of 125 remaining) [2022-11-23 14:49:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (56 of 125 remaining) [2022-11-23 14:49:12,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (55 of 125 remaining) [2022-11-23 14:49:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (54 of 125 remaining) [2022-11-23 14:49:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (53 of 125 remaining) [2022-11-23 14:49:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (52 of 125 remaining) [2022-11-23 14:49:12,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (51 of 125 remaining) [2022-11-23 14:49:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (50 of 125 remaining) [2022-11-23 14:49:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 125 remaining) [2022-11-23 14:49:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 125 remaining) [2022-11-23 14:49:12,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 125 remaining) [2022-11-23 14:49:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (46 of 125 remaining) [2022-11-23 14:49:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 125 remaining) [2022-11-23 14:49:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (44 of 125 remaining) [2022-11-23 14:49:12,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 125 remaining) [2022-11-23 14:49:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 125 remaining) [2022-11-23 14:49:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 125 remaining) [2022-11-23 14:49:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 125 remaining) [2022-11-23 14:49:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (39 of 125 remaining) [2022-11-23 14:49:12,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (38 of 125 remaining) [2022-11-23 14:49:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (37 of 125 remaining) [2022-11-23 14:49:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (36 of 125 remaining) [2022-11-23 14:49:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (35 of 125 remaining) [2022-11-23 14:49:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 125 remaining) [2022-11-23 14:49:12,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 125 remaining) [2022-11-23 14:49:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 125 remaining) [2022-11-23 14:49:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (31 of 125 remaining) [2022-11-23 14:49:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (30 of 125 remaining) [2022-11-23 14:49:12,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (29 of 125 remaining) [2022-11-23 14:49:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (28 of 125 remaining) [2022-11-23 14:49:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (27 of 125 remaining) [2022-11-23 14:49:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 125 remaining) [2022-11-23 14:49:12,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (25 of 125 remaining) [2022-11-23 14:49:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (24 of 125 remaining) [2022-11-23 14:49:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 125 remaining) [2022-11-23 14:49:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (22 of 125 remaining) [2022-11-23 14:49:12,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 125 remaining) [2022-11-23 14:49:12,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (20 of 125 remaining) [2022-11-23 14:49:12,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 125 remaining) [2022-11-23 14:49:12,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 125 remaining) [2022-11-23 14:49:12,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 125 remaining) [2022-11-23 14:49:12,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 125 remaining) [2022-11-23 14:49:12,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (15 of 125 remaining) [2022-11-23 14:49:12,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 125 remaining) [2022-11-23 14:49:12,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 125 remaining) [2022-11-23 14:49:12,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 125 remaining) [2022-11-23 14:49:12,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 125 remaining) [2022-11-23 14:49:12,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 125 remaining) [2022-11-23 14:49:12,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 125 remaining) [2022-11-23 14:49:12,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (8 of 125 remaining) [2022-11-23 14:49:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 125 remaining) [2022-11-23 14:49:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 125 remaining) [2022-11-23 14:49:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 125 remaining) [2022-11-23 14:49:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (4 of 125 remaining) [2022-11-23 14:49:12,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (3 of 125 remaining) [2022-11-23 14:49:12,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 125 remaining) [2022-11-23 14:49:12,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (1 of 125 remaining) [2022-11-23 14:49:12,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (0 of 125 remaining) [2022-11-23 14:49:12,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 14:49:12,107 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:12,115 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 14:49:12,115 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:49:12,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:49:12 BasicIcfg [2022-11-23 14:49:12,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:49:12,123 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:49:12,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:49:12,123 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:49:12,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:27" (3/4) ... [2022-11-23 14:49:12,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:49:12,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-23 14:49:12,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-23 14:49:12,151 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-23 14:49:12,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 14:49:12,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:49:12,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:49:12,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:49:12,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:49:12,224 INFO L158 Benchmark]: Toolchain (without parser) took 46762.44ms. Allocated memory was 178.3MB in the beginning and 679.5MB in the end (delta: 501.2MB). Free memory was 134.6MB in the beginning and 292.9MB in the end (delta: -158.2MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,225 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 121.6MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:49:12,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.64ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 121.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.58ms. Allocated memory is still 178.3MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,226 INFO L158 Benchmark]: Boogie Preprocessor took 73.19ms. Allocated memory is still 178.3MB. Free memory was 117.5MB in the beginning and 114.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,226 INFO L158 Benchmark]: RCFGBuilder took 1529.30ms. Allocated memory is still 178.3MB. Free memory was 114.2MB in the beginning and 126.4MB in the end (delta: -12.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,227 INFO L158 Benchmark]: TraceAbstraction took 44534.68ms. Allocated memory was 178.3MB in the beginning and 679.5MB in the end (delta: 501.2MB). Free memory was 125.5MB in the beginning and 298.1MB in the end (delta: -172.7MB). Peak memory consumption was 329.6MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,227 INFO L158 Benchmark]: Witness Printer took 101.39ms. Allocated memory is still 679.5MB. Free memory was 298.1MB in the beginning and 292.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:49:12,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 121.6MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.64ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 121.7MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.58ms. Allocated memory is still 178.3MB. Free memory was 121.7MB in the beginning and 117.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.19ms. Allocated memory is still 178.3MB. Free memory was 117.5MB in the beginning and 114.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1529.30ms. Allocated memory is still 178.3MB. Free memory was 114.2MB in the beginning and 126.4MB in the end (delta: -12.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 44534.68ms. Allocated memory was 178.3MB in the beginning and 679.5MB in the end (delta: 501.2MB). Free memory was 125.5MB in the beginning and 298.1MB in the end (delta: -172.7MB). Peak memory consumption was 329.6MB. Max. memory is 16.1GB. * Witness Printer took 101.39ms. Allocated memory is still 679.5MB. Free memory was 298.1MB in the beginning and 292.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.4s, 688 PlacesBefore, 144 PlacesAfterwards, 714 TransitionsBefore, 145 TransitionsAfterwards, 112268 CoEnabledTransitionPairs, 20 FixpointIterations, 291 TrivialSequentialCompositions, 583 ConcurrentSequentialCompositions, 30 TrivialYvCompositions, 63 ConcurrentYvCompositions, 25 ChoiceCompositions, 992 TotalNumberOfCompositions, 286684 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138122, independent: 135829, independent conditional: 0, independent unconditional: 135829, dependent: 2293, dependent conditional: 0, dependent unconditional: 2293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80565, independent: 80271, independent conditional: 0, independent unconditional: 80271, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 80565, independent: 78211, independent conditional: 0, independent unconditional: 78211, dependent: 2354, dependent conditional: 0, dependent unconditional: 2354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2354, independent: 2060, independent conditional: 0, independent unconditional: 2060, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5218, independent: 4225, independent conditional: 0, independent unconditional: 4225, dependent: 993, dependent conditional: 0, dependent unconditional: 993, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138122, independent: 55558, independent conditional: 0, independent unconditional: 55558, dependent: 1999, dependent conditional: 0, dependent unconditional: 1999, unknown: 80565, unknown conditional: 0, unknown unconditional: 80565] , Statistics on independence cache: Total cache size (in pairs): 2521, Positive cache size: 2427, Positive conditional cache size: 0, Positive unconditional cache size: 2427, Negative cache size: 94, Negative conditional cache size: 0, Negative unconditional cache size: 94, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: 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, 1106 locations, 125 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 35.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 658 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 658 mSDsluCounter, 587 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1869 IncrementalHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 337 mSDtfsCounter, 1869 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15243occurred in iteration=0, 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: 2.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 7275 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 4/4 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 14:49:12,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a81a968e-7665-4302-8c79-4f1c8fe63611/bin/utaipan-Q6hlc19bkW/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