./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs --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 bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:18:49,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:18:49,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:18:49,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:18:49,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:18:49,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:18:49,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:18:49,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:18:49,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:18:49,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:18:49,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:18:49,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:18:49,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:18:49,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:18:49,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:18:49,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:18:49,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:18:49,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:18:49,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:18:49,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:18:49,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:18:49,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:18:49,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:18:49,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:18:49,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:18:49,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:18:49,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:18:49,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:18:49,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:18:49,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:18:49,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:18:49,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:18:49,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:18:49,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:18:49,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:18:49,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:18:49,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:18:49,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:18:49,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:18:49,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:18:49,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:18:49,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 13:18:49,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:18:49,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:18:49,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:18:49,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:18:49,760 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:18:49,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:18:49,760 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:18:49,760 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:18:49,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:18:49,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:18:49,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:18:49,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:18:49,762 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:18:49,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:18:49,762 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:18:49,762 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:18:49,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:18:49,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:18:49,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:18:49,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:18:49,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:18:49,764 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:18:49,765 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:18:49,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:18:49,765 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:18:49,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:18:49,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:18:49,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:18:49,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:49,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:18:49,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:18:49,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:18:49,771 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:18:49,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:18:49,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:18:49,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:18:49,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:18:49,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc4ff81e27c3c9c08a24375d30c2902a85848d2bd345364dfe2b3c3839c5dc11 [2021-11-19 13:18:50,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:18:50,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:18:50,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:18:50,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:18:50,074 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:18:50,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-11-19 13:18:50,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/data/07c913430/bb6df7babfc4473a9fb1d8b37cf10991/FLAGc149f8e25 [2021-11-19 13:18:50,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:18:50,782 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/sv-benchmarks/c/goblint-regression/04-mutex_35-trylock_rc.i [2021-11-19 13:18:50,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/data/07c913430/bb6df7babfc4473a9fb1d8b37cf10991/FLAGc149f8e25 [2021-11-19 13:18:50,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/data/07c913430/bb6df7babfc4473a9fb1d8b37cf10991 [2021-11-19 13:18:50,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:18:50,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:18:50,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:50,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:18:50,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:18:50,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:50" (1/1) ... [2021-11-19 13:18:50,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ba9b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:50, skipping insertion in model container [2021-11-19 13:18:50,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:18:50" (1/1) ... [2021-11-19 13:18:50,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:18:51,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:18:51,960 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:51,974 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:18:52,039 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:18:52,183 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:18:52,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52 WrapperNode [2021-11-19 13:18:52,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:18:52,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:18:52,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:18:52,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:18:52,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,259 INFO L137 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 138 [2021-11-19 13:18:52,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:18:52,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:18:52,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:18:52,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:18:52,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:18:52,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:18:52,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:18:52,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:18:52,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (1/1) ... [2021-11-19 13:18:52,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:18:52,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:18:52,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:18:52,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure counter_thread [2021-11-19 13:18:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure counter_thread [2021-11-19 13:18:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-19 13:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure monitor_thread [2021-11-19 13:18:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure monitor_thread [2021-11-19 13:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-11-19 13:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:18:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 13:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:18:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:18:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2021-11-19 13:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure time [2021-11-19 13:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:18:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:18:52,447 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:18:52,727 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:18:52,729 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:18:53,222 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:18:53,235 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:18:53,238 INFO L301 CfgBuilder]: Removed 19 assume(true) statements. [2021-11-19 13:18:53,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:53 BoogieIcfgContainer [2021-11-19 13:18:53,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:18:53,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:18:53,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:18:53,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:18:53,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:18:50" (1/3) ... [2021-11-19 13:18:53,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f36c7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:18:53, skipping insertion in model container [2021-11-19 13:18:53,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:18:52" (2/3) ... [2021-11-19 13:18:53,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f36c7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:18:53, skipping insertion in model container [2021-11-19 13:18:53,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:53" (3/3) ... [2021-11-19 13:18:53,252 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_35-trylock_rc.i [2021-11-19 13:18:53,258 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 13:18:53,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:18:53,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-19 13:18:53,258 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 13:18:53,338 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,339 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,339 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,339 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,340 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,340 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,341 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,341 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,341 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,341 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,342 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,343 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,343 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,344 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,344 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,345 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,345 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,345 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,346 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,346 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,346 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,346 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,347 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,347 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,348 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,348 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,348 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,348 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,349 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,349 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,349 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,349 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,350 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,350 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,350 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,350 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,351 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,352 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,353 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,353 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,354 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,354 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,354 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,355 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,355 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,355 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,355 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,356 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,356 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,356 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,357 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,357 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,357 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,358 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,358 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,359 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,359 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,359 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,360 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,361 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,361 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,361 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,361 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,362 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,363 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,363 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,363 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,363 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,364 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,364 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,364 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,364 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,364 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,365 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,365 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,365 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,365 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,366 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,366 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,366 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,366 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,367 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,367 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,367 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,367 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,368 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,368 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,368 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,368 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,369 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,370 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,371 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,371 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,371 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,371 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,371 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,372 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,373 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,373 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,373 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,373 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,373 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,374 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,374 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,374 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,374 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,378 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,380 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,380 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,380 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,381 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,381 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,381 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,381 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,382 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,382 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,382 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,383 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,383 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,383 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,383 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,384 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,384 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,384 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,385 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,386 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,386 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,387 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,387 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,387 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,390 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,390 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,391 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,391 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,391 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,392 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,392 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,392 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,392 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,393 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,393 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,393 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,394 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,394 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,394 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,394 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,395 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,395 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,395 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,397 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,397 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,397 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,398 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,398 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,399 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,399 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,399 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,400 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,400 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,400 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,400 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,401 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,401 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,401 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,401 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,402 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,402 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,402 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,402 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,403 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,403 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,403 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,403 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,404 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,404 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,404 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,404 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,405 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,405 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,405 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,415 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,419 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,423 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,423 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,424 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~misses~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,428 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~status~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,428 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,429 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~post48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,429 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,429 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,429 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,430 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,430 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,430 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,436 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret47.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,436 WARN L322 ript$VariableManager]: TermVariabe monitor_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,437 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,437 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~ret44.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,437 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,437 WARN L322 ript$VariableManager]: TermVariabe |monitor_threadThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,441 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,444 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~spin~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,444 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,444 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,444 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,445 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,445 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,445 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,445 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,446 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,446 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,447 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,461 WARN L322 ript$VariableManager]: TermVariabe counter_threadThread1of1ForFork1_~status~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,462 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret38.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,462 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,462 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~ret30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,462 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,463 WARN L322 ript$VariableManager]: TermVariabe |counter_threadThread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:18:53,465 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-19 13:18:53,520 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:18:53,527 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:18:53,528 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-19 13:18:53,545 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 13:18:53,558 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 277 transitions, 570 flow [2021-11-19 13:18:53,561 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 277 transitions, 570 flow [2021-11-19 13:18:53,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 277 transitions, 570 flow [2021-11-19 13:18:53,692 INFO L129 PetriNetUnfolder]: 31/275 cut-off events. [2021-11-19 13:18:53,692 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-19 13:18:53,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 275 events. 31/275 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 657 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 173. Up to 5 conditions per place. [2021-11-19 13:18:53,726 INFO L116 LiptonReduction]: Number of co-enabled transitions 19072 [2021-11-19 13:19:13,432 INFO L131 LiptonReduction]: Checked pairs total: 38078 [2021-11-19 13:19:13,432 INFO L133 LiptonReduction]: Total number of compositions: 304 [2021-11-19 13:19:13,449 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 82 transitions, 180 flow [2021-11-19 13:19:13,625 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2342 states, 2195 states have (on average 3.955353075170843) internal successors, (8682), 2341 states have internal predecessors, (8682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 2342 states, 2195 states have (on average 3.955353075170843) internal successors, (8682), 2341 states have internal predecessors, (8682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-19 13:19:13,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:13,643 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-19 13:19:13,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:13,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:13,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1147, now seen corresponding path program 1 times [2021-11-19 13:19:13,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:13,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067243210] [2021-11-19 13:19:13,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:13,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:13,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:13,952 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:13,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067243210] [2021-11-19 13:19:13,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067243210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:13,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:13,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-19 13:19:13,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275655744] [2021-11-19 13:19:13,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:13,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 13:19:13,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:13,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 13:19:13,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 13:19:13,996 INFO L87 Difference]: Start difference. First operand has 2342 states, 2195 states have (on average 3.955353075170843) internal successors, (8682), 2341 states have internal predecessors, (8682), 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) [2021-11-19 13:19:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:14,157 INFO L93 Difference]: Finished difference Result 1127 states and 3219 transitions. [2021-11-19 13:19:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 13:19:14,160 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 [2021-11-19 13:19:14,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:14,195 INFO L225 Difference]: With dead ends: 1127 [2021-11-19 13:19:14,196 INFO L226 Difference]: Without dead ends: 1121 [2021-11-19 13:19:14,197 INFO L932 BasicCegarLoop]: 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 [2021-11-19 13:19:14,203 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:14,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2021-11-19 13:19:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2021-11-19 13:19:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1073 states have (on average 2.9878844361602983) internal successors, (3206), 1120 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 3206 transitions. [2021-11-19 13:19:14,339 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 3206 transitions. Word has length 1 [2021-11-19 13:19:14,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:14,340 INFO L470 AbstractCegarLoop]: Abstraction has 1121 states and 3206 transitions. [2021-11-19 13:19:14,340 INFO L471 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) [2021-11-19 13:19:14,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 3206 transitions. [2021-11-19 13:19:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 13:19:14,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:14,342 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 13:19:14,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:19:14,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:14,345 INFO L85 PathProgramCache]: Analyzing trace with hash -770201994, now seen corresponding path program 1 times [2021-11-19 13:19:14,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:14,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125195461] [2021-11-19 13:19:14,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:14,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:14,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:14,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125195461] [2021-11-19 13:19:14,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125195461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:14,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:14,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:14,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498916209] [2021-11-19 13:19:14,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:14,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:14,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:14,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:14,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:14,578 INFO L87 Difference]: Start difference. First operand 1121 states and 3206 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) [2021-11-19 13:19:14,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:14,775 INFO L93 Difference]: Finished difference Result 917 states and 2565 transitions. [2021-11-19 13:19:14,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:14,776 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 [2021-11-19 13:19:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:14,786 INFO L225 Difference]: With dead ends: 917 [2021-11-19 13:19:14,786 INFO L226 Difference]: Without dead ends: 917 [2021-11-19 13:19:14,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:14,788 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 32 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:14,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 36 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:19:14,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2021-11-19 13:19:14,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2021-11-19 13:19:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 884 states have (on average 2.9015837104072397) internal successors, (2565), 916 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 2565 transitions. [2021-11-19 13:19:14,827 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 2565 transitions. Word has length 6 [2021-11-19 13:19:14,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:14,828 INFO L470 AbstractCegarLoop]: Abstraction has 917 states and 2565 transitions. [2021-11-19 13:19:14,828 INFO L471 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) [2021-11-19 13:19:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 2565 transitions. [2021-11-19 13:19:14,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 13:19:14,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:14,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:14,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:19:14,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:14,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1856711793, now seen corresponding path program 1 times [2021-11-19 13:19:14,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:14,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805383614] [2021-11-19 13:19:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:14,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:14,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:14,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805383614] [2021-11-19 13:19:14,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805383614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:14,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:14,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:14,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366230153] [2021-11-19 13:19:14,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:14,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:14,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:14,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:14,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:14,936 INFO L87 Difference]: Start difference. First operand 917 states and 2565 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:15,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:15,117 INFO L93 Difference]: Finished difference Result 1402 states and 3886 transitions. [2021-11-19 13:19:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:15,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-11-19 13:19:15,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:15,132 INFO L225 Difference]: With dead ends: 1402 [2021-11-19 13:19:15,132 INFO L226 Difference]: Without dead ends: 1402 [2021-11-19 13:19:15,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,134 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 33 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:15,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 12 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:19:15,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2021-11-19 13:19:15,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 982. [2021-11-19 13:19:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 954 states have (on average 2.8259958071278826) internal successors, (2696), 981 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 2696 transitions. [2021-11-19 13:19:15,184 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 2696 transitions. Word has length 7 [2021-11-19 13:19:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:15,184 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 2696 transitions. [2021-11-19 13:19:15,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2696 transitions. [2021-11-19 13:19:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 13:19:15,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:15,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:15,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 13:19:15,197 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting counter_threadErr3ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1796477835, now seen corresponding path program 1 times [2021-11-19 13:19:15,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:15,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793550095] [2021-11-19 13:19:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:15,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:15,297 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:15,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793550095] [2021-11-19 13:19:15,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793550095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:15,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:15,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:15,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233917107] [2021-11-19 13:19:15,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:15,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:15,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:15,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,309 INFO L87 Difference]: Start difference. First operand 982 states and 2696 transitions. Second operand has 3 states, 2 states have (on average 5.5) 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) [2021-11-19 13:19:15,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:15,464 INFO L93 Difference]: Finished difference Result 1007 states and 2771 transitions. [2021-11-19 13:19:15,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:15,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) 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 [2021-11-19 13:19:15,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:15,475 INFO L225 Difference]: With dead ends: 1007 [2021-11-19 13:19:15,476 INFO L226 Difference]: Without dead ends: 980 [2021-11-19 13:19:15,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,477 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:15,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 15 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:15,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2021-11-19 13:19:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2021-11-19 13:19:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 957 states have (on average 2.812957157784744) internal successors, (2692), 979 states have internal predecessors, (2692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 2692 transitions. [2021-11-19 13:19:15,523 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 2692 transitions. Word has length 11 [2021-11-19 13:19:15,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:15,523 INFO L470 AbstractCegarLoop]: Abstraction has 980 states and 2692 transitions. [2021-11-19 13:19:15,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) 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) [2021-11-19 13:19:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2692 transitions. [2021-11-19 13:19:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 13:19:15,526 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:15,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:15,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 13:19:15,526 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1490781826, now seen corresponding path program 1 times [2021-11-19 13:19:15,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:15,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929320721] [2021-11-19 13:19:15,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:15,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:15,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:15,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929320721] [2021-11-19 13:19:15,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929320721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:15,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:15,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:15,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651261134] [2021-11-19 13:19:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:15,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:15,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:15,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:15,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,653 INFO L87 Difference]: Start difference. First operand 980 states and 2692 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-11-19 13:19:15,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:15,811 INFO L93 Difference]: Finished difference Result 961 states and 2653 transitions. [2021-11-19 13:19:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:15,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 [2021-11-19 13:19:15,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:15,828 INFO L225 Difference]: With dead ends: 961 [2021-11-19 13:19:15,828 INFO L226 Difference]: Without dead ends: 897 [2021-11-19 13:19:15,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,829 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 18 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:15,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 31 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:15,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2021-11-19 13:19:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 897. [2021-11-19 13:19:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 879 states have (on average 2.806598407281001) internal successors, (2467), 896 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 2467 transitions. [2021-11-19 13:19:15,870 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 2467 transitions. Word has length 12 [2021-11-19 13:19:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:15,870 INFO L470 AbstractCegarLoop]: Abstraction has 897 states and 2467 transitions. [2021-11-19 13:19:15,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-11-19 13:19:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 2467 transitions. [2021-11-19 13:19:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-19 13:19:15,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:15,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:15,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 13:19:15,873 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:15,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:15,874 INFO L85 PathProgramCache]: Analyzing trace with hash 901934690, now seen corresponding path program 1 times [2021-11-19 13:19:15,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:15,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250492018] [2021-11-19 13:19:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:15,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:15,938 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:15,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250492018] [2021-11-19 13:19:15,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250492018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:15,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:15,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 13:19:15,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071875381] [2021-11-19 13:19:15,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:15,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:15,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:15,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:15,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:15,940 INFO L87 Difference]: Start difference. First operand 897 states and 2467 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:16,086 INFO L93 Difference]: Finished difference Result 908 states and 2499 transitions. [2021-11-19 13:19:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:16,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-19 13:19:16,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:16,095 INFO L225 Difference]: With dead ends: 908 [2021-11-19 13:19:16,096 INFO L226 Difference]: Without dead ends: 822 [2021-11-19 13:19:16,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:16,098 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:16,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 16 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:16,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2021-11-19 13:19:16,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 822. [2021-11-19 13:19:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 808 states have (on average 2.8007425742574257) internal successors, (2263), 821 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 2263 transitions. [2021-11-19 13:19:16,145 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 2263 transitions. Word has length 13 [2021-11-19 13:19:16,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:16,146 INFO L470 AbstractCegarLoop]: Abstraction has 822 states and 2263 transitions. [2021-11-19 13:19:16,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 2263 transitions. [2021-11-19 13:19:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:19:16,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:16,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:16,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 13:19:16,150 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting monitor_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:16,151 INFO L85 PathProgramCache]: Analyzing trace with hash -871270980, now seen corresponding path program 1 times [2021-11-19 13:19:16,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:16,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758212513] [2021-11-19 13:19:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:16,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:16,240 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:16,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758212513] [2021-11-19 13:19:16,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758212513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:16,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:16,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 13:19:16,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884528094] [2021-11-19 13:19:16,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:16,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:19:16,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:16,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:19:16,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:16,242 INFO L87 Difference]: Start difference. First operand 822 states and 2263 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:16,359 INFO L93 Difference]: Finished difference Result 652 states and 1759 transitions. [2021-11-19 13:19:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:16,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-19 13:19:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:16,366 INFO L225 Difference]: With dead ends: 652 [2021-11-19 13:19:16,366 INFO L226 Difference]: Without dead ends: 652 [2021-11-19 13:19:16,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:19:16,368 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:16,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 19 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:16,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2021-11-19 13:19:16,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2021-11-19 13:19:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 640 states have (on average 2.7484375) internal successors, (1759), 651 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1759 transitions. [2021-11-19 13:19:16,402 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1759 transitions. Word has length 17 [2021-11-19 13:19:16,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:16,403 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 1759 transitions. [2021-11-19 13:19:16,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1759 transitions. [2021-11-19 13:19:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:19:16,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:16,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:16,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 13:19:16,406 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting monitor_threadErr5ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:16,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:16,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2082132933, now seen corresponding path program 1 times [2021-11-19 13:19:16,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:16,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787898942] [2021-11-19 13:19:16,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:16,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:19:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:19:16,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:19:16,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787898942] [2021-11-19 13:19:16,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787898942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:19:16,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:19:16,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 13:19:16,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568486376] [2021-11-19 13:19:16,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:19:16,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:19:16,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:19:16,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:19:16,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:19:16,565 INFO L87 Difference]: Start difference. First operand 652 states and 1759 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:19:16,702 INFO L93 Difference]: Finished difference Result 724 states and 1925 transitions. [2021-11-19 13:19:16,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:19:16,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-19 13:19:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:19:16,710 INFO L225 Difference]: With dead ends: 724 [2021-11-19 13:19:16,710 INFO L226 Difference]: Without dead ends: 628 [2021-11-19 13:19:16,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:19:16,711 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 51 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:19:16,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 16 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:19:16,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-11-19 13:19:16,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2021-11-19 13:19:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 616 states have (on average 2.728896103896104) internal successors, (1681), 627 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1681 transitions. [2021-11-19 13:19:16,743 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1681 transitions. Word has length 17 [2021-11-19 13:19:16,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:19:16,744 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 1681 transitions. [2021-11-19 13:19:16,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:19:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1681 transitions. [2021-11-19 13:19:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 13:19:16,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:19:16,746 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:16,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 13:19:16,747 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting counter_threadErr2ASSERT_VIOLATIONDATA_RACE === [monitor_threadErr0ASSERT_VIOLATIONDATA_RACE, monitor_threadErr4ASSERT_VIOLATIONDATA_RACE, monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2021-11-19 13:19:16,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:19:16,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1524480526, now seen corresponding path program 1 times [2021-11-19 13:19:16,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:19:16,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825612006] [2021-11-19 13:19:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:19:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:19:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:19:16,785 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 13:19:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 13:19:16,851 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-19 13:19:16,852 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 13:19:16,853 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2021-11-19 13:19:16,857 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2021-11-19 13:19:16,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2021-11-19 13:19:16,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2021-11-19 13:19:16,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2021-11-19 13:19:16,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2021-11-19 13:19:16,858 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2021-11-19 13:19:16,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2021-11-19 13:19:16,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2021-11-19 13:19:16,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr2ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2021-11-19 13:19:16,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2021-11-19 13:19:16,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2021-11-19 13:19:16,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2021-11-19 13:19:16,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2021-11-19 13:19:16,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2021-11-19 13:19:16,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2021-11-19 13:19:16,860 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2021-11-19 13:19:16,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2021-11-19 13:19:16,862 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2021-11-19 13:19:16,864 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (11 of 31 remaining) [2021-11-19 13:19:16,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (10 of 31 remaining) [2021-11-19 13:19:16,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2021-11-19 13:19:16,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr4ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2021-11-19 13:19:16,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr1ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2021-11-19 13:19:16,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr2ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2021-11-19 13:19:16,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr5ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2021-11-19 13:19:16,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location monitor_threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2021-11-19 13:19:16,866 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2021-11-19 13:19:16,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2021-11-19 13:19:16,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2021-11-19 13:19:16,867 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location counter_threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2021-11-19 13:19:16,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 13:19:16,874 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:19:16,884 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 13:19:16,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:19:17,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:19:16 BasicIcfg [2021-11-19 13:19:17,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:19:17,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:19:17,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:19:17,001 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:19:17,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:18:53" (3/4) ... [2021-11-19 13:19:17,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 13:19:17,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:19:17,004 INFO L158 Benchmark]: Toolchain (without parser) took 26037.07ms. Allocated memory was 98.6MB in the beginning and 195.0MB in the end (delta: 96.5MB). Free memory was 61.1MB in the beginning and 104.4MB in the end (delta: -43.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,005 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:19:17,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.43ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.44ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,006 INFO L158 Benchmark]: Boogie Preprocessor took 76.03ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 52.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,006 INFO L158 Benchmark]: RCFGBuilder took 903.83ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 83.2MB in the end (delta: -30.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,007 INFO L158 Benchmark]: TraceAbstraction took 23756.43ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 82.6MB in the beginning and 105.5MB in the end (delta: -22.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-19 13:19:17,007 INFO L158 Benchmark]: Witness Printer took 3.41ms. Allocated memory is still 195.0MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:19:17,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.43ms. Allocated memory is still 98.6MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.44ms. Allocated memory is still 98.6MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.03ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 52.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 903.83ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 52.5MB in the beginning and 83.2MB in the end (delta: -30.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23756.43ms. Allocated memory was 123.7MB in the beginning and 195.0MB in the end (delta: 71.3MB). Free memory was 82.6MB in the beginning and 105.5MB in the end (delta: -22.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 3.41ms. Allocated memory is still 195.0MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.9s, 253 PlacesBefore, 67 PlacesAfterwards, 277 TransitionsBefore, 82 TransitionsAfterwards, 19072 CoEnabledTransitionPairs, 7 FixpointIterations, 80 TrivialSequentialCompositions, 167 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 37 ConcurrentYvCompositions, 9 ChoiceCompositions, 304 TotalNumberOfCompositions, 38078 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23039, positive: 22667, positive conditional: 0, positive unconditional: 22667, negative: 372, negative conditional: 0, negative unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14012, positive: 13925, positive conditional: 0, positive unconditional: 13925, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14012, positive: 13737, positive conditional: 0, positive unconditional: 13737, negative: 275, negative conditional: 0, negative unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 334, positive: 152, positive conditional: 0, positive unconditional: 152, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 20, unknown conditional: 0, unknown unconditional: 20] ], Cache Queries: [ total: 23039, positive: 8742, positive conditional: 0, positive unconditional: 8742, negative: 285, negative conditional: 0, negative unconditional: 285, unknown: 14012, unknown conditional: 0, unknown unconditional: 14012] , Statistics on independence cache: Total cache size (in pairs): 829, Positive cache size: 797, Positive conditional cache size: 0, Positive unconditional cache size: 797, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1808]: Data race detected Data race detected The following path leads to a data race: [L1797] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1798] 0 long counter; [L1799] 0 time_t end_time; [L1836] 0 int status; [L1837] 0 pthread_t counter_thread_id; [L1838] 0 pthread_t monitor_thread_id; [L1839] 0 end_time = time (((void *)0)) + 60 [L1840] EXPR, FCALL, FORK 0 pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) VAL [\old(argc)=1150, arg={0:0}, argc=1150, argv={1151:1152}, argv={1151:1152}, counter=0, counter_thread_id={28:0}, end_time=1, monitor_thread_id={27:0}, mutex={29:0}, pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0))=-1] [L1840] 0 status = pthread_create (&counter_thread_id, ((void *)0), counter_thread, ((void *)0)) [L1841] COND FALSE 0 !(status != 0) [L1843] FCALL, FORK 0 pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0)) VAL [\old(argc)=1150, arg={0:0}, arg={0:0}, argc=1150, argv={1151:1152}, argv={1151:1152}, counter=0, counter_thread_id={28:0}, end_time=1, monitor_thread_id={27:0}, mutex={29:0}, pthread_create (&monitor_thread_id, ((void *)0), monitor_thread, ((void *)0))=0, status=0] [L1801] 1 int status; [L1802] 1 int spin; VAL [arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, mutex={29:0}] [L1803] 1 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, mutex={29:0}, time (((void *)0))=0] [L1817] 2 int status; [L1818] 2 int misses = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={29:0}, time (((void *)0))=0] [L1819] 2 time (((void *)0)) < end_time VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={29:0}, time (((void *)0))=0, time (((void *)0))=0] [L1803] 1 time (((void *)0)) < end_time [L1803] COND TRUE 1 time (((void *)0)) < end_time [L1804] 1 status = pthread_mutex_lock (&mutex) [L1805] COND FALSE 1 !(status != 0) [L1807] 1 spin = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, end_time=1, misses=0, mutex={29:0}, spin=0, status=0, time (((void *)0))=0] [L1819] 2 time (((void *)0)) < end_time [L1819] COND TRUE 2 time (((void *)0)) < end_time [L1821] 2 status = pthread_mutex_trylock (&mutex) [L1822] COND FALSE 2 !(status != 16) [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, counter++=0, end_time=1, misses=0, mutex={29:0}, spin=0, status=0, status=16] [L1807] COND TRUE 1 spin < 10000000 [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=0, counter++=0, end_time=1, misses=0, mutex={29:0}, spin=0, status=0, status=16] [L1830] 2 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=0, counter++=1153, end_time=1, misses=0, mutex={29:0}, spin=0, status=0, status=16] [L1808] 1 counter++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, counter=1, counter++=0, counter++=1153, end_time=1, misses=0, mutex={29:0}, spin=0, status=16, status=0] Now there is a data race on ~counter~0 between C: counter++ [1830] and C: counter++ [1808] - UnprovableResult [Line: 1819]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1824]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1825]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1830]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1828]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1803]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1806]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1811]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1808]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1839]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1842]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1845]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1846]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1848]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1849]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1851]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1843]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1840]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 360 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 23.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 20.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 157 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 573 IncrementalHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 114 mSDtfsCounter, 573 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2342occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 420 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 13:19:17,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed91c9ed-50ca-457f-988f-5d59a98f5f79/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE