/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-MCRwithDepranks-BasicCegarLoop.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-ext/18_read_write_lock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 02:37:31,686 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-02-10 02:37:31,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 02:37:31,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 02:37:31,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 02:37:31,766 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 02:37:31,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 02:37:31,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 02:37:31,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 02:37:31,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 02:37:31,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 02:37:31,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 02:37:31,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 02:37:31,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 02:37:31,798 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 02:37:31,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 02:37:31,799 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 02:37:31,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 02:37:31,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:37:31,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 02:37:31,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 02:37:31,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 02:37:31,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 02:37:31,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 02:37:31,802 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 02:37:31,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 02:37:32,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 02:37:32,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 02:37:32,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 02:37:32,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 02:37:32,036 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 02:37:32,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2022-02-10 02:37:32,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb32dbb7/463c8b26b19a4ff6b2b91adeef9ba53a/FLAG07438f222 [2022-02-10 02:37:32,503 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 02:37:32,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2022-02-10 02:37:32,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb32dbb7/463c8b26b19a4ff6b2b91adeef9ba53a/FLAG07438f222 [2022-02-10 02:37:32,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4eb32dbb7/463c8b26b19a4ff6b2b91adeef9ba53a [2022-02-10 02:37:32,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 02:37:32,902 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 02:37:32,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 02:37:32,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 02:37:32,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 02:37:32,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:37:32" (1/1) ... [2022-02-10 02:37:32,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3cdc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:32, skipping insertion in model container [2022-02-10 02:37:32,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:37:32" (1/1) ... [2022-02-10 02:37:32,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 02:37:32,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 02:37:33,104 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-02-10 02:37:33,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] [2022-02-10 02:37:33,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:37:33,223 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 02:37:33,248 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-02-10 02:37:33,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] [2022-02-10 02:37:33,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:37:33,305 INFO L208 MainTranslator]: Completed translation [2022-02-10 02:37:33,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33 WrapperNode [2022-02-10 02:37:33,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 02:37:33,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 02:37:33,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 02:37:33,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 02:37:33,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,360 INFO L137 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2022-02-10 02:37:33,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 02:37:33,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 02:37:33,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 02:37:33,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 02:37:33,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 02:37:33,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 02:37:33,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 02:37:33,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 02:37:33,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (1/1) ... [2022-02-10 02:37:33,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:37:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 02:37:33,449 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) [2022-02-10 02:37:33,455 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 [2022-02-10 02:37:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-02-10 02:37:33,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-02-10 02:37:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 02:37:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 02:37:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 02:37:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 02:37:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 02:37:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 02:37:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 02:37:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 02:37:33,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 02:37:33,480 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 02:37:33,582 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 02:37:33,583 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 02:37:33,756 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 02:37:33,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 02:37:33,815 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 02:37:33,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:37:33 BoogieIcfgContainer [2022-02-10 02:37:33,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 02:37:33,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 02:37:33,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 02:37:33,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 02:37:33,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:37:32" (1/3) ... [2022-02-10 02:37:33,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f77e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:37:33, skipping insertion in model container [2022-02-10 02:37:33,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:37:33" (2/3) ... [2022-02-10 02:37:33,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f77e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:37:33, skipping insertion in model container [2022-02-10 02:37:33,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:37:33" (3/3) ... [2022-02-10 02:37:33,824 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2022-02-10 02:37:33,828 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 02:37:33,828 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 02:37:33,828 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-02-10 02:37:33,829 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 02:37:33,849 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,849 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,849 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,849 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,849 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,850 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,851 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,852 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,853 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,854 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,857 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,858 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:37:33,858 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 02:37:33,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 02:37:33,901 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, mLazyFiniteAutomaton=false, 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 [2022-02-10 02:37:33,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-02-10 02:37:33,908 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 74 transitions, 153 flow [2022-02-10 02:37:33,947 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 580 states, 521 states have (on average 2.1151631477927064) internal successors, (1102), 579 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:34,533 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9021 transitions and produced 5343 states. [2022-02-10 02:37:34,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 5343 states, 3645 states have (on average 1.4661179698216735) internal successors, (5344), 5342 states have internal predecessors, (5344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-10 02:37:34,600 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:37:34,601 INFO L514 BasicCegarLoop]: 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] [2022-02-10 02:37:34,602 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2022-02-10 02:37:34,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:37:34,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1769976179, now seen corresponding path program 1 times [2022-02-10 02:37:34,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:37:34,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749251884] [2022-02-10 02:37:34,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:37:34,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:37:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:37:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:37:34,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:37:34,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749251884] [2022-02-10 02:37:34,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749251884] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:37:34,762 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:37:34,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-02-10 02:37:34,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944792210] [2022-02-10 02:37:34,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:37:34,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 02:37:34,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:37:34,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 02:37:34,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 02:37:34,841 INFO L87 Difference]: Start difference. First operand has 5343 states, 3645 states have (on average 1.4661179698216735) internal successors, (5344), 5342 states have internal predecessors, (5344), 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 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:34,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:37:34,938 INFO L93 Difference]: Finished difference Result 1864 states and 1864 transitions. [2022-02-10 02:37:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 02:37:34,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 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 23 [2022-02-10 02:37:34,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:37:34,961 INFO L225 Difference]: With dead ends: 1864 [2022-02-10 02:37:34,962 INFO L226 Difference]: Without dead ends: 887 [2022-02-10 02:37:34,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 02:37:34,966 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:37:34,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:37:34,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2022-02-10 02:37:35,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 271. [2022-02-10 02:37:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 246 states have (on average 1.3333333333333333) internal successors, (328), 270 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 328 transitions. [2022-02-10 02:37:35,009 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 328 transitions. Word has length 23 [2022-02-10 02:37:35,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:37:35,009 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 328 transitions. [2022-02-10 02:37:35,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 23.0) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 328 transitions. [2022-02-10 02:37:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-10 02:37:35,010 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:37:35,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:37:35,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 02:37:35,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2022-02-10 02:37:35,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:37:35,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1465084408, now seen corresponding path program 1 times [2022-02-10 02:37:35,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:37:35,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423015943] [2022-02-10 02:37:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:37:35,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:37:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:37:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:37:35,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:37:35,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423015943] [2022-02-10 02:37:35,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423015943] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:37:35,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:37:35,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 02:37:35,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143974488] [2022-02-10 02:37:35,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:37:35,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 02:37:35,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:37:35,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 02:37:35,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:37:35,083 INFO L87 Difference]: Start difference. First operand 271 states and 328 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:37:35,108 INFO L93 Difference]: Finished difference Result 262 states and 300 transitions. [2022-02-10 02:37:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 02:37:35,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2022-02-10 02:37:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:37:35,109 INFO L225 Difference]: With dead ends: 262 [2022-02-10 02:37:35,109 INFO L226 Difference]: Without dead ends: 100 [2022-02-10 02:37:35,110 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 [2022-02-10 02:37:35,111 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:37:35,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:37:35,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-02-10 02:37:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-02-10 02:37:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 82 states have (on average 1.2560975609756098) internal successors, (103), 98 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 103 transitions. [2022-02-10 02:37:35,123 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 103 transitions. Word has length 27 [2022-02-10 02:37:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:37:35,123 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 103 transitions. [2022-02-10 02:37:35,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2022-02-10 02:37:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-10 02:37:35,124 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:37:35,124 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:37:35,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 02:37:35,125 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2022-02-10 02:37:35,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:37:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1995905414, now seen corresponding path program 1 times [2022-02-10 02:37:35,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:37:35,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297075400] [2022-02-10 02:37:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:37:35,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:37:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:37:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:37:35,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:37:35,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297075400] [2022-02-10 02:37:35,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297075400] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:37:35,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:37:35,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 02:37:35,212 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572086467] [2022-02-10 02:37:35,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:37:35,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 02:37:35,213 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:37:35,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 02:37:35,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:37:35,213 INFO L87 Difference]: Start difference. First operand 99 states and 103 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:37:35,232 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2022-02-10 02:37:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 02:37:35,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2022-02-10 02:37:35,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:37:35,234 INFO L225 Difference]: With dead ends: 96 [2022-02-10 02:37:35,234 INFO L226 Difference]: Without dead ends: 94 [2022-02-10 02:37:35,234 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 [2022-02-10 02:37:35,235 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 22 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:37:35,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 71 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:37:35,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-02-10 02:37:35,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-02-10 02:37:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 93 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2022-02-10 02:37:35,238 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 36 [2022-02-10 02:37:35,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:37:35,238 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2022-02-10 02:37:35,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2022-02-10 02:37:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-10 02:37:35,239 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:37:35,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:37:35,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 02:37:35,239 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2022-02-10 02:37:35,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:37:35,240 INFO L85 PathProgramCache]: Analyzing trace with hash -344643714, now seen corresponding path program 2 times [2022-02-10 02:37:35,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:37:35,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303551634] [2022-02-10 02:37:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:37:35,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:37:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:37:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:37:35,326 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:37:35,326 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303551634] [2022-02-10 02:37:35,326 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303551634] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:37:35,326 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:37:35,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 02:37:35,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373974239] [2022-02-10 02:37:35,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:37:35,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 02:37:35,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:37:35,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 02:37:35,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-10 02:37:35,328 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:37:35,346 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2022-02-10 02:37:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 02:37:35,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2022-02-10 02:37:35,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:37:35,347 INFO L225 Difference]: With dead ends: 35 [2022-02-10 02:37:35,347 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 02:37:35,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-10 02:37:35,349 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:37:35,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:37:35,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 02:37:35,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 02:37:35,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 02:37:35,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-02-10 02:37:35,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:37:35,351 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 02:37:35,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 02:37:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 02:37:35,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 02:37:35,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2022-02-10 02:37:35,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2022-02-10 02:37:35,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (8 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2022-02-10 02:37:35,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2022-02-10 02:37:35,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2022-02-10 02:37:35,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2022-02-10 02:37:35,356 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2022-02-10 02:37:35,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 02:37:35,358 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-02-10 02:37:35,377 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 02:37:35,377 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 02:37:35,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 02:37:35 BasicIcfg [2022-02-10 02:37:35,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 02:37:35,380 INFO L158 Benchmark]: Toolchain (without parser) took 2478.42ms. Allocated memory was 180.4MB in the beginning and 287.3MB in the end (delta: 107.0MB). Free memory was 128.3MB in the beginning and 219.5MB in the end (delta: -91.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,380 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 180.4MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 02:37:35,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.90ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 128.1MB in the beginning and 182.4MB in the end (delta: -54.3MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.47ms. Allocated memory is still 217.1MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,381 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 217.1MB. Free memory was 180.3MB in the beginning and 178.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,381 INFO L158 Benchmark]: RCFGBuilder took 422.07ms. Allocated memory is still 217.1MB. Free memory was 178.8MB in the beginning and 161.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,381 INFO L158 Benchmark]: TraceAbstraction took 1560.88ms. Allocated memory was 217.1MB in the beginning and 287.3MB in the end (delta: 70.3MB). Free memory was 160.9MB in the beginning and 219.5MB in the end (delta: -58.5MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-02-10 02:37:35,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 180.4MB. Free memory is still 146.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.90ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 128.1MB in the beginning and 182.4MB in the end (delta: -54.3MB). Peak memory consumption was 17.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.47ms. Allocated memory is still 217.1MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 217.1MB. Free memory was 180.3MB in the beginning and 178.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 422.07ms. Allocated memory is still 217.1MB. Free memory was 178.8MB in the beginning and 161.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1560.88ms. Allocated memory was 217.1MB in the beginning and 287.3MB in the end (delta: 70.3MB). Free memory was 160.9MB in the beginning and 219.5MB in the end (delta: -58.5MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: 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 3 procedures, 91 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 268 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 164 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5343occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 617 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 02:37:35,411 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...