/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread/triangular-longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-aed12abd52951161f3584c1e4a16827ff4d06934-aed12ab [2021-10-14 12:07:59,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-14 12:07:59,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-14 12:08:00,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-14 12:08:00,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-14 12:08:00,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-14 12:08:00,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-14 12:08:00,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-14 12:08:00,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-14 12:08:00,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-14 12:08:00,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-14 12:08:00,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-14 12:08:00,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-14 12:08:00,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-14 12:08:00,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-14 12:08:00,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-14 12:08:00,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-14 12:08:00,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-14 12:08:00,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-14 12:08:00,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-14 12:08:00,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-14 12:08:00,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-14 12:08:00,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-14 12:08:00,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-14 12:08:00,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-14 12:08:00,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-14 12:08:00,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-14 12:08:00,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-14 12:08:00,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-14 12:08:00,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-14 12:08:00,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-14 12:08:00,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-14 12:08:00,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-14 12:08:00,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-14 12:08:00,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-14 12:08:00,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-14 12:08:00,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-14 12:08:00,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-14 12:08:00,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-14 12:08:00,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-14 12:08:00,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-14 12:08:00,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-10-14 12:08:00,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-14 12:08:00,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-14 12:08:00,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-14 12:08:00,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-14 12:08:00,066 INFO L138 SettingsManager]: * Use SBE=true [2021-10-14 12:08:00,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-14 12:08:00,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-14 12:08:00,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-14 12:08:00,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-14 12:08:00,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-14 12:08:00,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-14 12:08:00,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-14 12:08:00,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-14 12:08:00,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-14 12:08:00,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-14 12:08:00,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-14 12:08:00,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-14 12:08:00,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:08:00,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-14 12:08:00,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-14 12:08:00,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-14 12:08:00,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-14 12:08:00,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-14 12:08:00,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-14 12:08:00,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-14 12:08:00,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-14 12:08:00,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-14 12:08:00,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-14 12:08:00,269 INFO L275 PluginConnector]: CDTParser initialized [2021-10-14 12:08:00,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-1.i [2021-10-14 12:08:00,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f25a27c/9a9a82eae66b4516b76a87452816e274/FLAGa7974a6b3 [2021-10-14 12:08:00,680 INFO L306 CDTParser]: Found 1 translation units. [2021-10-14 12:08:00,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i [2021-10-14 12:08:00,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f25a27c/9a9a82eae66b4516b76a87452816e274/FLAGa7974a6b3 [2021-10-14 12:08:01,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f25a27c/9a9a82eae66b4516b76a87452816e274 [2021-10-14 12:08:01,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-14 12:08:01,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-14 12:08:01,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-14 12:08:01,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-14 12:08:01,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-14 12:08:01,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e229155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01, skipping insertion in model container [2021-10-14 12:08:01,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-14 12:08:01,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-14 12:08:01,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i[30961,30974] [2021-10-14 12:08:01,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:08:01,404 INFO L203 MainTranslator]: Completed pre-run [2021-10-14 12:08:01,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longer-1.i[30961,30974] [2021-10-14 12:08:01,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-14 12:08:01,474 INFO L208 MainTranslator]: Completed translation [2021-10-14 12:08:01,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01 WrapperNode [2021-10-14 12:08:01,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-14 12:08:01,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-14 12:08:01,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-14 12:08:01,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-14 12:08:01,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-14 12:08:01,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-14 12:08:01,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-14 12:08:01,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-14 12:08:01,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-14 12:08:01,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-14 12:08:01,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-14 12:08:01,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-14 12:08:01,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (1/1) ... [2021-10-14 12:08:01,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-14 12:08:01,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-14 12:08:01,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-14 12:08:01,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-14 12:08:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-14 12:08:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-14 12:08:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-14 12:08:01,577 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-14 12:08:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-14 12:08:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-14 12:08:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-14 12:08:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-14 12:08:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-14 12:08:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-14 12:08:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-14 12:08:01,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-14 12:08:01,579 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-14 12:08:01,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-14 12:08:01,869 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-14 12:08:01,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:01 BoogieIcfgContainer [2021-10-14 12:08:01,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-14 12:08:01,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-14 12:08:01,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-14 12:08:01,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-14 12:08:01,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:08:01" (1/3) ... [2021-10-14 12:08:01,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d56c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:01, skipping insertion in model container [2021-10-14 12:08:01,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:08:01" (2/3) ... [2021-10-14 12:08:01,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d56c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:08:01, skipping insertion in model container [2021-10-14 12:08:01,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:08:01" (3/3) ... [2021-10-14 12:08:01,882 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2021-10-14 12:08:01,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-14 12:08:01,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-14 12:08:01,886 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-14 12:08:01,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,916 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,921 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,922 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,923 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,924 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,925 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,925 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,935 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,935 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,935 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,935 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,936 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,936 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,936 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,936 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-14 12:08:01,939 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-14 12:08:01,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-14 12:08:01,981 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=false, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-14 12:08:01,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-14 12:08:01,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 67 transitions, 144 flow [2021-10-14 12:08:02,014 INFO L129 PetriNetUnfolder]: 5/65 cut-off events. [2021-10-14 12:08:02,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:08:02,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 65 events. 5/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-10-14 12:08:02,017 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 67 transitions, 144 flow [2021-10-14 12:08:02,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 65 transitions, 136 flow [2021-10-14 12:08:02,025 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-10-14 12:08:02,025 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:08:02,026 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-14 12:08:02,026 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-14 12:08:02,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONDATA_RACE, t2Err0ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2021-10-14 12:08:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-14 12:08:02,030 INFO L82 PathProgramCache]: Analyzing trace with hash 341799224, now seen corresponding path program 1 times [2021-10-14 12:08:02,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-14 12:08:02,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617707353] [2021-10-14 12:08:02,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-14 12:08:02,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-14 12:08:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-14 12:08:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-14 12:08:02,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-14 12:08:02,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617707353] [2021-10-14 12:08:02,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617707353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-14 12:08:02,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-14 12:08:02,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-14 12:08:02,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047374157] [2021-10-14 12:08:02,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-14 12:08:02,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-14 12:08:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-14 12:08:02,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-14 12:08:02,243 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 67 [2021-10-14 12:08:02,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 136 flow. Second operand has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 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) [2021-10-14 12:08:02,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-14 12:08:02,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 67 [2021-10-14 12:08:02,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-14 12:08:02,262 INFO L129 PetriNetUnfolder]: 2/59 cut-off events. [2021-10-14 12:08:02,262 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-14 12:08:02,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 59 events. 2/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 5/61 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-10-14 12:08:02,264 INFO L132 encePairwiseOnDemand]: 62/67 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions. [2021-10-14 12:08:02,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 124 flow [2021-10-14 12:08:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-14 12:08:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-10-14 12:08:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 127 transitions. [2021-10-14 12:08:02,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9477611940298507 [2021-10-14 12:08:02,272 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 127 transitions. [2021-10-14 12:08:02,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 127 transitions. [2021-10-14 12:08:02,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-14 12:08:02,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 127 transitions. [2021-10-14 12:08:02,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 63.5) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-10-14 12:08:02,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2021-10-14 12:08:02,280 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 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) [2021-10-14 12:08:02,281 INFO L186 Difference]: Start difference. First operand has 67 places, 65 transitions, 136 flow. Second operand 2 states and 127 transitions. [2021-10-14 12:08:02,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 124 flow [2021-10-14 12:08:02,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 59 transitions, 122 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-14 12:08:02,284 INFO L242 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2021-10-14 12:08:02,285 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2021-10-14 12:08:02,285 INFO L334 CegarLoopForPetriNet]: 67 programPoint places, -4 predicate places. [2021-10-14 12:08:02,286 INFO L470 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2021-10-14 12:08:02,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.5) internal successors, (123), 2 states have internal predecessors, (123), 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) [2021-10-14 12:08:02,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-14 12:08:02,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-14 12:08:02,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:02,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:02,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:02,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE [2021-10-14 12:08:02,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-14 12:08:02,293 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-14 12:08:02,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-14 12:08:02,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 12:08:02 BasicIcfg [2021-10-14 12:08:02,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-14 12:08:02,296 INFO L168 Benchmark]: Toolchain (without parser) took 1204.80 ms. Allocated memory was 205.5 MB in the beginning and 302.0 MB in the end (delta: 96.5 MB). Free memory was 149.3 MB in the beginning and 213.7 MB in the end (delta: -64.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,296 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 205.5 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-14 12:08:02,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.67 ms. Allocated memory was 205.5 MB in the beginning and 302.0 MB in the end (delta: 96.5 MB). Free memory was 149.2 MB in the beginning and 265.1 MB in the end (delta: -115.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 302.0 MB. Free memory was 265.1 MB in the beginning and 263.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,297 INFO L168 Benchmark]: Boogie Preprocessor took 15.26 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 261.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,298 INFO L168 Benchmark]: RCFGBuilder took 353.00 ms. Allocated memory is still 302.0 MB. Free memory was 261.4 MB in the beginning and 246.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,298 INFO L168 Benchmark]: TraceAbstraction took 422.51 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 213.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2021-10-14 12:08:02,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 205.5 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 381.67 ms. Allocated memory was 205.5 MB in the beginning and 302.0 MB in the end (delta: 96.5 MB). Free memory was 149.2 MB in the beginning and 265.1 MB in the end (delta: -115.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 302.0 MB. Free memory was 265.1 MB in the beginning and 263.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.26 ms. Allocated memory is still 302.0 MB. Free memory was 263.0 MB in the beginning and 261.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 353.00 ms. Allocated memory is still 302.0 MB. Free memory was 261.4 MB in the beginning and 246.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 422.51 ms. Allocated memory is still 302.0 MB. Free memory was 246.2 MB in the beginning and 213.7 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 87 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 316.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 47.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.3ms SsaConstructionTime, 42.2ms SatisfiabilityAnalysisTime, 70.2ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-14 12:08:02,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...