/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 18:27:12,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 18:27:12,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 18:27:12,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 18:27:12,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 18:27:12,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 18:27:12,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 18:27:12,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 18:27:12,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 18:27:12,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 18:27:12,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 18:27:12,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 18:27:12,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 18:27:12,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 18:27:12,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 18:27:12,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 18:27:12,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 18:27:12,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 18:27:12,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 18:27:12,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 18:27:12,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 18:27:12,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 18:27:12,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 18:27:12,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 18:27:12,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 18:27:12,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 18:27:12,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 18:27:12,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 18:27:12,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 18:27:12,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 18:27:12,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 18:27:12,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 18:27:12,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 18:27:12,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 18:27:12,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 18:27:12,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 18:27:12,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 18:27:12,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 18:27:12,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 18:27:12,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 18:27:12,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 18:27:12,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-04-17 18:27:12,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 18:27:12,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 18:27:12,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 18:27:12,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 18:27:12,569 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 18:27:12,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 18:27:12,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 18:27:12,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 18:27:12,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 18:27:12,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 18:27:12,571 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 18:27:12,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 18:27:12,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 18:27:12,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 18:27:12,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 18:27:12,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 18:27:12,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 18:27:12,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 18:27:12,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 18:27:12,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 18:27:12,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 18:27:12,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 18:27:12,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 18:27:12,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-04-17 18:27:12,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 18:27:12,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 18:27:12,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 18:27:12,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 18:27:12,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 18:27:12,899 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 18:27:12,900 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-04-17 18:27:12,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a250697d0/0d7027eb009f4105b24620f8791bbb2c/FLAGedcc29492 [2020-04-17 18:27:13,596 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 18:27:13,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-04-17 18:27:13,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a250697d0/0d7027eb009f4105b24620f8791bbb2c/FLAGedcc29492 [2020-04-17 18:27:13,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a250697d0/0d7027eb009f4105b24620f8791bbb2c [2020-04-17 18:27:13,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 18:27:13,857 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 18:27:13,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 18:27:13,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 18:27:13,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 18:27:13,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:27:13" (1/1) ... [2020-04-17 18:27:13,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c9e642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:13, skipping insertion in model container [2020-04-17 18:27:13,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:27:13" (1/1) ... [2020-04-17 18:27:13,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 18:27:13,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 18:27:14,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:27:14,699 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 18:27:14,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 18:27:15,243 INFO L208 MainTranslator]: Completed translation [2020-04-17 18:27:15,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15 WrapperNode [2020-04-17 18:27:15,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 18:27:15,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 18:27:15,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 18:27:15,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 18:27:15,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 18:27:15,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 18:27:15,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 18:27:15,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 18:27:15,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (1/1) ... [2020-04-17 18:27:15,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 18:27:15,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 18:27:15,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 18:27:15,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 18:27:15,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (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 [2020-04-17 18:27:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 18:27:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 18:27:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 18:27:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-17 18:27:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 18:27:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 18:27:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 18:27:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-04-17 18:27:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-04-17 18:27:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 18:27:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 18:27:15,525 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 18:27:16,168 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 18:27:16,169 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-04-17 18:27:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:27:16 BoogieIcfgContainer [2020-04-17 18:27:16,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 18:27:16,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 18:27:16,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 18:27:16,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 18:27:16,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:27:13" (1/3) ... [2020-04-17 18:27:16,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59017b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:27:16, skipping insertion in model container [2020-04-17 18:27:16,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:27:15" (2/3) ... [2020-04-17 18:27:16,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59017b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:27:16, skipping insertion in model container [2020-04-17 18:27:16,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:27:16" (3/3) ... [2020-04-17 18:27:16,182 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-04-17 18:27:16,193 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 18:27:16,193 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 18:27:16,201 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-04-17 18:27:16,202 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 18:27:16,231 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,231 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,231 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,231 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,232 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,233 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,234 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,234 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,238 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,238 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,239 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,239 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,239 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 18:27:16,265 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-17 18:27:16,287 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 18:27:16,287 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 18:27:16,287 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 18:27:16,287 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 18:27:16,287 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 18:27:16,288 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 18:27:16,288 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 18:27:16,288 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 18:27:16,302 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions, 178 flow [2020-04-17 18:27:16,304 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-04-17 18:27:16,351 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-04-17 18:27:16,351 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-17 18:27:16,356 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-04-17 18:27:16,358 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-04-17 18:27:16,383 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-04-17 18:27:16,383 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-04-17 18:27:16,384 INFO L80 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 160 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-04-17 18:27:16,385 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2020-04-17 18:27:16,386 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 18:27:18,554 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-04-17 18:27:19,484 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-04-17 18:27:19,873 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-04-17 18:27:20,290 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2020-04-17 18:27:20,396 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-04-17 18:27:20,561 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-04-17 18:27:20,717 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-04-17 18:27:20,719 INFO L206 etLargeBlockEncoding]: Checked pairs total: 244 [2020-04-17 18:27:20,720 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2020-04-17 18:27:20,723 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-04-17 18:27:20,730 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 23 states. [2020-04-17 18:27:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-04-17 18:27:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-17 18:27:20,737 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:27:20,737 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-17 18:27:20,738 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:27:20,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:27:20,743 INFO L82 PathProgramCache]: Analyzing trace with hash 338, now seen corresponding path program 1 times [2020-04-17 18:27:20,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:27:20,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308679060] [2020-04-17 18:27:20,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:27:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:27:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:27:21,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308679060] [2020-04-17 18:27:21,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:27:21,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-17 18:27:21,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016098385] [2020-04-17 18:27:21,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 18:27:21,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:27:21,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 18:27:21,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:27:21,106 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-04-17 18:27:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:27:21,121 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2020-04-17 18:27:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 18:27:21,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-17 18:27:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:27:21,150 INFO L225 Difference]: With dead ends: 20 [2020-04-17 18:27:21,151 INFO L226 Difference]: Without dead ends: 13 [2020-04-17 18:27:21,155 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 18:27:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-04-17 18:27:21,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-04-17 18:27:21,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-04-17 18:27:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-04-17 18:27:21,196 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 1 [2020-04-17 18:27:21,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:27:21,197 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-04-17 18:27:21,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 18:27:21,197 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-04-17 18:27:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-04-17 18:27:21,198 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:27:21,198 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-04-17 18:27:21,199 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:27:21,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:27:21,200 INFO L82 PathProgramCache]: Analyzing trace with hash 341839, now seen corresponding path program 1 times [2020-04-17 18:27:21,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:27:21,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542030329] [2020-04-17 18:27:21,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:27:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:27:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:27:21,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542030329] [2020-04-17 18:27:21,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:27:21,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:27:21,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704725993] [2020-04-17 18:27:21,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:27:21,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:27:21,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:27:21,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:27:21,360 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-04-17 18:27:21,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:27:21,384 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-04-17 18:27:21,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:27:21,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-04-17 18:27:21,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:27:21,387 INFO L225 Difference]: With dead ends: 11 [2020-04-17 18:27:21,387 INFO L226 Difference]: Without dead ends: 10 [2020-04-17 18:27:21,388 INFO L678 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 [2020-04-17 18:27:21,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-04-17 18:27:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-04-17 18:27:21,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-04-17 18:27:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2020-04-17 18:27:21,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 3 [2020-04-17 18:27:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:27:21,391 INFO L479 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2020-04-17 18:27:21,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:27:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-04-17 18:27:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-04-17 18:27:21,392 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:27:21,392 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-04-17 18:27:21,392 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:27:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:27:21,393 INFO L82 PathProgramCache]: Analyzing trace with hash 327959232, now seen corresponding path program 1 times [2020-04-17 18:27:21,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:27:21,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822906178] [2020-04-17 18:27:21,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:27:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 18:27:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 18:27:21,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822906178] [2020-04-17 18:27:21,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 18:27:21,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 18:27:21,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221450749] [2020-04-17 18:27:21,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 18:27:21,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 18:27:21,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 18:27:21,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 18:27:21,457 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 3 states. [2020-04-17 18:27:21,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 18:27:21,473 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-04-17 18:27:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 18:27:21,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-04-17 18:27:21,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 18:27:21,474 INFO L225 Difference]: With dead ends: 10 [2020-04-17 18:27:21,474 INFO L226 Difference]: Without dead ends: 7 [2020-04-17 18:27:21,474 INFO L678 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 [2020-04-17 18:27:21,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-04-17 18:27:21,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-04-17 18:27:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-04-17 18:27:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-04-17 18:27:21,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 5 [2020-04-17 18:27:21,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 18:27:21,477 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-04-17 18:27:21,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 18:27:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-17 18:27:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 18:27:21,478 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 18:27:21,478 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 18:27:21,478 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 18:27:21,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 18:27:21,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1576801757, now seen corresponding path program 1 times [2020-04-17 18:27:21,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 18:27:21,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721545218] [2020-04-17 18:27:21,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 18:27:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:27:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 18:27:21,557 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 18:27:21,557 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 18:27:21,558 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 18:27:21,562 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [314] [314] ULTIMATE.startENTRY-->L1696: Formula: (let ((.cse1 (store |#valid_In707172669| 0 0))) (let ((.cse0 (select |#memory_int_In707172669| |~#mutex~0.base_Out707172669|)) (.cse2 (store .cse1 |~#t1~0.base_Out707172669| 1))) (and (< 0 |#StackHeapBarrier_In707172669|) (< |#StackHeapBarrier_In707172669| |~#t1~0.base_Out707172669|) (= 0 (select .cse0 (+ |~#mutex~0.offset_Out707172669| 4))) (= |#NULL.base_Out707172669| 0) (= (select .cse0 (+ |~#mutex~0.offset_Out707172669| 8)) 0) (= 0 (select .cse0 (+ |~#mutex~0.offset_Out707172669| 12))) (= ~pdev~0_Out707172669 1) (= |~#t1~0.offset_Out707172669| 0) (= 0 |#NULL.offset_Out707172669|) (= 0 (select .cse1 |~#t1~0.base_Out707172669|)) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_Out707172669| 2147483648)) (< |#StackHeapBarrier_In707172669| |~#mutex~0.base_Out707172669|) (= (select .cse0 |~#mutex~0.offset_Out707172669|) 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out707172669| ULTIMATE.start_ldv_assert_~expression_Out707172669) (<= |ULTIMATE.start_module_init_#t~nondet31_Out707172669| 2147483647) (= (select .cse0 (+ |~#mutex~0.offset_Out707172669| 16)) 0) (= (select .cse2 |~#mutex~0.base_Out707172669|) 0) (= (store (store |#length_In707172669| |~#t1~0.base_Out707172669| 4) |~#mutex~0.base_Out707172669| 24) |#length_Out707172669|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out707172669| 1) (= (store |#pthreadsMutex_In707172669| |~#mutex~0.base_Out707172669| (store (select |#pthreadsMutex_In707172669| |~#mutex~0.base_Out707172669|) |~#mutex~0.offset_Out707172669| 0)) |#pthreadsMutex_Out707172669|) (= |#valid_Out707172669| (store .cse2 |~#mutex~0.base_Out707172669| 1)) (= 0 |~#mutex~0.offset_Out707172669|) (= 0 (select (select |#memory_int_In707172669| |~#t1~0.base_Out707172669|) |~#t1~0.offset_Out707172669|))))) InVars {#pthreadsMutex=|#pthreadsMutex_In707172669|, #StackHeapBarrier=|#StackHeapBarrier_In707172669|, #valid=|#valid_In707172669|, #memory_int=|#memory_int_In707172669|, #length=|#length_In707172669|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out707172669|, #pthreadsMutex=|#pthreadsMutex_Out707172669|, ~#mutex~0.base=|~#mutex~0.base_Out707172669|, ~#mutex~0.offset=|~#mutex~0.offset_Out707172669|, #NULL.offset=|#NULL.offset_Out707172669|, ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_Out707172669|, ~#t1~0.offset=|~#t1~0.offset_Out707172669|, ULTIMATE.start_module_init_#t~nondet32=|ULTIMATE.start_module_init_#t~nondet32_Out707172669|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out707172669|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out707172669, #NULL.base=|#NULL.base_Out707172669|, #StackHeapBarrier=|#StackHeapBarrier_In707172669|, ~#t1~0.base=|~#t1~0.base_Out707172669|, ULTIMATE.start_main_#t~ret35=|ULTIMATE.start_main_#t~ret35_Out707172669|, ~pdev~0=~pdev~0_Out707172669, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out707172669|, #valid=|#valid_Out707172669|, #memory_int=|#memory_int_In707172669|, #length=|#length_Out707172669|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ULTIMATE.start_module_init_#t~nondet31, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #length] because there is no mapped edge [2020-04-17 18:27:21,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:27:21 BasicIcfg [2020-04-17 18:27:21,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 18:27:21,585 INFO L168 Benchmark]: Toolchain (without parser) took 7750.14 ms. Allocated memory was 141.6 MB in the beginning and 272.6 MB in the end (delta: 131.1 MB). Free memory was 101.7 MB in the beginning and 99.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 133.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,586 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.5 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1386.99 ms. Allocated memory was 141.6 MB in the beginning and 233.8 MB in the end (delta: 92.3 MB). Free memory was 99.7 MB in the beginning and 163.4 MB in the end (delta: -63.7 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.98 ms. Allocated memory is still 233.8 MB. Free memory was 163.4 MB in the beginning and 159.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,589 INFO L168 Benchmark]: Boogie Preprocessor took 90.17 ms. Allocated memory is still 233.8 MB. Free memory was 159.4 MB in the beginning and 156.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,589 INFO L168 Benchmark]: RCFGBuilder took 730.59 ms. Allocated memory is still 233.8 MB. Free memory was 156.7 MB in the beginning and 119.4 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,590 INFO L168 Benchmark]: TraceAbstraction took 5408.47 ms. Allocated memory was 233.8 MB in the beginning and 272.6 MB in the end (delta: 38.8 MB). Free memory was 118.0 MB in the beginning and 99.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2020-04-17 18:27:21,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.5 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1386.99 ms. Allocated memory was 141.6 MB in the beginning and 233.8 MB in the end (delta: 92.3 MB). Free memory was 99.7 MB in the beginning and 163.4 MB in the end (delta: -63.7 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 106.98 ms. Allocated memory is still 233.8 MB. Free memory was 163.4 MB in the beginning and 159.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.17 ms. Allocated memory is still 233.8 MB. Free memory was 159.4 MB in the beginning and 156.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 730.59 ms. Allocated memory is still 233.8 MB. Free memory was 156.7 MB in the beginning and 119.4 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5408.47 ms. Allocated memory was 233.8 MB in the beginning and 272.6 MB in the end (delta: 38.8 MB). Free memory was 118.0 MB in the beginning and 99.7 MB in the end (delta: 18.3 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.4s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 15 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 156 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 244 CheckedPairsTotal, 101 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] COND TRUE 0 __VERIFIER_nondet_int() [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={5:0}, pdev=1, t1={3:0}] [L1698] 0 return 0; [L1715] COND FALSE 0 !(module_init()!=0) [L1706] 0 void *status; [L1707] 0 pdev = 4 VAL [arg={0:0}, mutex={5:0}, pdev=4, t1={3:0}] [L1688] 1 pdev = 6 [L1690] 1 return 0; [L1682] COND TRUE 0 !expression [L1682] 0 __VERIFIER_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={5:0}, pdev=6, t1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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...