/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 17:52:02,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 17:52:02,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 17:52:02,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 17:52:02,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 17:52:02,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 17:52:02,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 17:52:02,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 17:52:02,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 17:52:02,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 17:52:02,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 17:52:02,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 17:52:02,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 17:52:02,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 17:52:02,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 17:52:02,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 17:52:02,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 17:52:02,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 17:52:02,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 17:52:02,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 17:52:02,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 17:52:02,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 17:52:02,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 17:52:02,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 17:52:02,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 17:52:02,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 17:52:02,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 17:52:02,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 17:52:02,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 17:52:02,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 17:52:02,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 17:52:02,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 17:52:02,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 17:52:02,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 17:52:02,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 17:52:02,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 17:52:02,264 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-FA-NoLbe.epf [2021-01-26 17:52:02,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 17:52:02,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 17:52:02,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 17:52:02,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 17:52:02,329 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 17:52:02,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 17:52:02,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 17:52:02,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 17:52:02,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 17:52:02,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 17:52:02,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 17:52:02,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 17:52:02,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 17:52:02,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 17:52:02,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 17:52:02,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 17:52:02,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 17:52:02,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 17:52:02,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 17:52:02,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 17:52:02,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 17:52:02,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:52:02,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 17:52:02,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 17:52:02,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 17:52:02,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 17:52:02,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 17:52:02,338 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 17:52:02,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 17:52:02,338 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 17:52:02,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 17:52:02,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 17:52:02,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 17:52:02,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 17:52:02,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 17:52:02,836 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 17:52:02,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-01-26 17:52:02,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c694a92ac/5f6ed65f679f428fa577e5571d4adef3/FLAGfb6288bee [2021-01-26 17:52:03,779 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 17:52:03,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2021-01-26 17:52:03,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c694a92ac/5f6ed65f679f428fa577e5571d4adef3/FLAGfb6288bee [2021-01-26 17:52:03,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c694a92ac/5f6ed65f679f428fa577e5571d4adef3 [2021-01-26 17:52:03,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 17:52:03,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 17:52:03,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 17:52:03,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 17:52:04,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 17:52:04,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:52:03" (1/1) ... [2021-01-26 17:52:04,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3e5ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:04, skipping insertion in model container [2021-01-26 17:52:04,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:52:03" (1/1) ... [2021-01-26 17:52:04,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 17:52:04,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 17:52:04,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:52:04,817 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 17:52:04,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 17:52:05,340 INFO L208 MainTranslator]: Completed translation [2021-01-26 17:52:05,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05 WrapperNode [2021-01-26 17:52:05,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 17:52:05,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 17:52:05,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 17:52:05,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 17:52:05,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 17:52:05,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 17:52:05,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 17:52:05,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 17:52:05,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... [2021-01-26 17:52:05,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 17:52:05,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 17:52:05,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 17:52:05,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 17:52:05,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 17:52:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 17:52:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 17:52:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 17:52:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-26 17:52:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-26 17:52:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-01-26 17:52:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 17:52:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 17:52:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 17:52:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-01-26 17:52:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-01-26 17:52:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 17:52:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 17:52:05,629 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 17:52:06,540 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 17:52:06,543 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-26 17:52:06,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:52:06 BoogieIcfgContainer [2021-01-26 17:52:06,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 17:52:06,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 17:52:06,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 17:52:06,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 17:52:06,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:52:03" (1/3) ... [2021-01-26 17:52:06,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0ed652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:52:06, skipping insertion in model container [2021-01-26 17:52:06,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:52:05" (2/3) ... [2021-01-26 17:52:06,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0ed652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:52:06, skipping insertion in model container [2021-01-26 17:52:06,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:52:06" (3/3) ... [2021-01-26 17:52:06,558 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2021-01-26 17:52:06,576 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 17:52:06,577 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 17:52:06,582 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-01-26 17:52:06,583 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 17:52:06,632 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,633 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,633 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,634 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,635 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,639 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,639 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,640 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 17:52:06,646 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-01-26 17:52:06,660 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-26 17:52:06,685 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 17:52:06,685 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 17:52:06,686 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 17:52:06,686 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 17:52:06,686 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 17:52:06,686 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 17:52:06,686 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 17:52:06,687 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-26 17:52:06,701 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 99 transitions, 206 flow [2021-01-26 17:52:06,726 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 223 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 222 states have internal predecessors, (348), 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) [2021-01-26 17:52:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 222 states have internal predecessors, (348), 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) [2021-01-26 17:52:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-01-26 17:52:06,738 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:06,739 INFO L504 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] [2021-01-26 17:52:06,740 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:52:06,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:06,746 INFO L82 PathProgramCache]: Analyzing trace with hash -769652569, now seen corresponding path program 1 times [2021-01-26 17:52:06,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:06,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674486598] [2021-01-26 17:52:06,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:07,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674486598] [2021-01-26 17:52:07,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:07,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-26 17:52:07,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113898713] [2021-01-26 17:52:07,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-26 17:52:07,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:07,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-26 17:52:07,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-26 17:52:07,351 INFO L87 Difference]: Start difference. First operand has 223 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 222 states have internal predecessors, (348), 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 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-01-26 17:52:07,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:07,512 INFO L93 Difference]: Finished difference Result 213 states and 332 transitions. [2021-01-26 17:52:07,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:52:07,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-01-26 17:52:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:07,527 INFO L225 Difference]: With dead ends: 213 [2021-01-26 17:52:07,527 INFO L226 Difference]: Without dead ends: 157 [2021-01-26 17:52:07,529 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-26 17:52:07,529 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 29 [2021-01-26 17:52:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:07,530 INFO L481 AbstractCegarLoop]: Abstraction has 157 states. [2021-01-26 17:52:07,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-01-26 17:52:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-01-26 17:52:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-26 17:52:07,533 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:07,533 INFO L504 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] [2021-01-26 17:52:07,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 17:52:07,534 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:52:07,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:07,535 INFO L82 PathProgramCache]: Analyzing trace with hash 986875817, now seen corresponding path program 1 times [2021-01-26 17:52:07,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:07,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338608367] [2021-01-26 17:52:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:07,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338608367] [2021-01-26 17:52:07,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:07,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 17:52:07,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386832277] [2021-01-26 17:52:07,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-26 17:52:07,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:07,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-26 17:52:07,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 17:52:07,737 INFO L87 Difference]: Start difference. First operand 157 states. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-01-26 17:52:07,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:07,770 INFO L93 Difference]: Finished difference Result 197 states and 303 transitions. [2021-01-26 17:52:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-26 17:52:07,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-01-26 17:52:07,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:07,775 INFO L225 Difference]: With dead ends: 197 [2021-01-26 17:52:07,775 INFO L226 Difference]: Without dead ends: 197 [2021-01-26 17:52:07,776 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-26 17:52:07,776 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 34 [2021-01-26 17:52:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:07,777 INFO L481 AbstractCegarLoop]: Abstraction has 197 states. [2021-01-26 17:52:07,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-01-26 17:52:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2021-01-26 17:52:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-01-26 17:52:07,780 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:07,780 INFO L504 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, 1] [2021-01-26 17:52:07,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 17:52:07,780 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:52:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:07,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1951198822, now seen corresponding path program 1 times [2021-01-26 17:52:07,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:07,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632180883] [2021-01-26 17:52:07,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 17:52:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 17:52:07,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632180883] [2021-01-26 17:52:07,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 17:52:07,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-26 17:52:07,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660579915] [2021-01-26 17:52:07,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-26 17:52:07,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 17:52:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-26 17:52:07,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-26 17:52:07,953 INFO L87 Difference]: Start difference. First operand 197 states. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-01-26 17:52:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-26 17:52:08,083 INFO L93 Difference]: Finished difference Result 193 states and 299 transitions. [2021-01-26 17:52:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-26 17:52:08,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-01-26 17:52:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-26 17:52:08,091 INFO L225 Difference]: With dead ends: 193 [2021-01-26 17:52:08,092 INFO L226 Difference]: Without dead ends: 187 [2021-01-26 17:52:08,092 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-26 17:52:08,093 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 37 [2021-01-26 17:52:08,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-26 17:52:08,093 INFO L481 AbstractCegarLoop]: Abstraction has 187 states. [2021-01-26 17:52:08,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-01-26 17:52:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2021-01-26 17:52:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-01-26 17:52:08,098 INFO L496 BasicCegarLoop]: Found error trace [2021-01-26 17:52:08,099 INFO L504 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, 1, 1] [2021-01-26 17:52:08,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 17:52:08,101 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 17:52:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 17:52:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash -22834969, now seen corresponding path program 1 times [2021-01-26 17:52:08,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 17:52:08,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50747810] [2021-01-26 17:52:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 17:52:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 17:52:08,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 17:52:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 17:52:08,181 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 17:52:08,230 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 17:52:08,230 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 17:52:08,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 17:52:08,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:52:08 BasicIcfg [2021-01-26 17:52:08,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 17:52:08,314 INFO L168 Benchmark]: Toolchain (without parser) took 4328.13 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 275.1 MB in the beginning and 217.8 MB in the end (delta: 57.3 MB). Peak memory consumption was 122.5 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,314 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 17:52:08,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1345.77 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 170.5 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.60 ms. Allocated memory is still 302.0 MB. Free memory was 170.5 MB in the beginning and 167.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,322 INFO L168 Benchmark]: Boogie Preprocessor took 63.83 ms. Allocated memory is still 302.0 MB. Free memory was 167.3 MB in the beginning and 164.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,324 INFO L168 Benchmark]: RCFGBuilder took 1015.12 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 164.2 MB in the beginning and 321.6 MB in the end (delta: -157.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,325 INFO L168 Benchmark]: TraceAbstraction took 1760.73 ms. Allocated memory is still 362.8 MB. Free memory was 320.6 MB in the beginning and 217.8 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. [2021-01-26 17:52:08,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 272.1 MB in the end (delta: 65.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1345.77 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 170.5 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 119.60 ms. Allocated memory is still 302.0 MB. Free memory was 170.5 MB in the beginning and 167.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 63.83 ms. Allocated memory is still 302.0 MB. Free memory was 167.3 MB in the beginning and 164.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1015.12 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 164.2 MB in the beginning and 321.6 MB in the end (delta: -157.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1760.73 ms. Allocated memory is still 362.8 MB. Free memory was 320.6 MB in the beginning and 217.8 MB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] 0 pthread_t t1; VAL [t1={7:0}] [L1697] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={7:0}] [L1698] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={7:0}] [L1709] 0 pdev = 1 VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1695] COND FALSE 0 !(!expression) VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1711] COND TRUE 0 __VERIFIER_nondet_int() VAL [mutex={3:0}, pdev=1, t1={7:0}] [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={7:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, mutex={3:0}, pdev=2, t1={7:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] [L1695] COND TRUE 0 !expression [L1693] COND FALSE 0 !(0) [L1693] 0 __assert_fail ("0", "race-1_2-join.c", 10, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 235 SDtfs, 192 SDslu, 349 SDs, 0 SdLazy, 62 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...