/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/concurrent/pthreads/pthreadExitUnsafe.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:53:05,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:53:05,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:53:05,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:53:05,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:53:05,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:53:05,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:53:05,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:53:05,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:53:05,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:53:05,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:53:05,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:53:05,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:53:05,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:53:05,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:53:05,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:53:05,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:53:05,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:53:05,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:53:05,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:53:05,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:53:05,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:53:05,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:53:05,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:53:05,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:53:05,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:53:05,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:53:05,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:53:05,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:53:05,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:53:05,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:53:05,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:53:05,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:53:05,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:53:05,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:53:05,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:53:05,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:53:05,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:53:05,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:53:05,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:53:05,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:53:05,391 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-SemanticLbe.epf [2019-12-17 10:53:05,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:53:05,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:53:05,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:53:05,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:53:05,408 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:53:05,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:53:05,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:53:05,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:53:05,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:53:05,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:53:05,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:53:05,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:53:05,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:53:05,410 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:53:05,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:53:05,410 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:53:05,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:53:05,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:53:05,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:53:05,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:53:05,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:53:05,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:53:05,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:53:05,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:53:05,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:53:05,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:53:05,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:53:05,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:53:05,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:53:05,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:53:05,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:53:05,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:53:05,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:53:05,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:53:05,743 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:53:05,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/pthreadExitUnsafe.c [2019-12-17 10:53:05,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a50de86/53facb0a81c34697bc5e5d9b7895bc17/FLAGbf1c6a1c4 [2019-12-17 10:53:06,314 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:53:06,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/pthreadExitUnsafe.c [2019-12-17 10:53:06,315 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:06,315 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:06,315 WARN L117 ultiparseSymbolTable]: System include stdbool.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:53:06,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a50de86/53facb0a81c34697bc5e5d9b7895bc17/FLAGbf1c6a1c4 [2019-12-17 10:53:06,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a50de86/53facb0a81c34697bc5e5d9b7895bc17 [2019-12-17 10:53:06,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:53:06,735 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:53:06,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:06,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:53:06,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:53:06,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:06" (1/1) ... [2019-12-17 10:53:06,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748619ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:06, skipping insertion in model container [2019-12-17 10:53:06,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:53:06" (1/1) ... [2019-12-17 10:53:06,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:53:06,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:53:07,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:07,034 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:53:07,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:53:07,058 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:53:07,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07 WrapperNode [2019-12-17 10:53:07,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:53:07,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:07,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:53:07,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:53:07,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:53:07,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:53:07,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:53:07,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:53:07,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (1/1) ... [2019-12-17 10:53:07,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:53:07,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:53:07,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:53:07,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:53:07,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (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 [2019-12-17 10:53:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:53:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-12-17 10:53:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-12-17 10:53:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:53:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:53:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:53:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:53:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:53:07,167 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:53:07,381 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:53:07,381 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-17 10:53:07,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:07 BoogieIcfgContainer [2019-12-17 10:53:07,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:53:07,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:53:07,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:53:07,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:53:07,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:53:06" (1/3) ... [2019-12-17 10:53:07,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5de19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:07, skipping insertion in model container [2019-12-17 10:53:07,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:53:07" (2/3) ... [2019-12-17 10:53:07,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5de19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:53:07, skipping insertion in model container [2019-12-17 10:53:07,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:53:07" (3/3) ... [2019-12-17 10:53:07,407 INFO L109 eAbstractionObserver]: Analyzing ICFG pthreadExitUnsafe.c [2019-12-17 10:53:07,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:53:07,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:53:07,440 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:53:07,442 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:53:07,471 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,471 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,471 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,472 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,472 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,473 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,477 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,477 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,477 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,478 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:53:07,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-17 10:53:07,516 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:53:07,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:53:07,516 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:53:07,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:53:07,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:53:07,517 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:53:07,517 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:53:07,517 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:53:07,529 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 28 transitions [2019-12-17 10:53:07,531 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 28 transitions [2019-12-17 10:53:07,558 INFO L130 PetriNetUnfolder]: 2/27 cut-off events. [2019-12-17 10:53:07,558 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:07,562 INFO L76 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 27 events. 2/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs. 6/30 useless extension candidates. Maximal degree in co-relation 9. Up to 3 conditions per place. [2019-12-17 10:53:07,564 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 28 transitions [2019-12-17 10:53:07,576 INFO L130 PetriNetUnfolder]: 2/27 cut-off events. [2019-12-17 10:53:07,577 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:53:07,577 INFO L76 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 27 events. 2/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs. 6/30 useless extension candidates. Maximal degree in co-relation 9. Up to 3 conditions per place. [2019-12-17 10:53:07,579 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 24 [2019-12-17 10:53:07,580 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:53:08,236 INFO L206 etLargeBlockEncoding]: Checked pairs total: 16 [2019-12-17 10:53:08,236 INFO L214 etLargeBlockEncoding]: Total number of compositions: 23 [2019-12-17 10:53:08,240 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions [2019-12-17 10:53:08,256 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9 states. [2019-12-17 10:53:08,258 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-17 10:53:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:53:08,268 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:53:08,269 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-17 10:53:08,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:53:08,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:53:08,278 INFO L82 PathProgramCache]: Analyzing trace with hash -562510164, now seen corresponding path program 1 times [2019-12-17 10:53:08,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:53:08,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781525640] [2019-12-17 10:53:08,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:53:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:53:08,429 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:53:08,430 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:53:08,434 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [97] [97] ULTIMATE.startENTRY-->L25: Formula: (let ((.cse1 (store |v_#valid_29| 0 0))) (let ((.cse0 (store .cse1 |v_#t~string3.base_4| 1))) (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#th_id~0.base_20| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#th_id~0.base_20|) |v_ULTIMATE.start_main_~#th_id~0.offset_17| 0)) |v_#memory_int_11|) (= (store .cse0 |v_ULTIMATE.start_main_~#th_id~0.base_20| 1) |v_#valid_28|) (= (store (store |v_#length_15| |v_#t~string3.base_4| 24) |v_ULTIMATE.start_main_~#th_id~0.base_20| 4) |v_#length_14|) (< 0 |v_#StackHeapBarrier_9|) (< |v_#StackHeapBarrier_9| |v_ULTIMATE.start_main_~#th_id~0.base_20|) (= 0 |v_#t~string3.offset_4|) (< |v_#StackHeapBarrier_9| |v_#t~string3.base_4|) (= |v_#NULL.offset_2| 0) (= 0 |v_#NULL.base_2|) (= (select .cse0 |v_ULTIMATE.start_main_~#th_id~0.base_20|) 0) (= |v_ULTIMATE.start_main_~#th_id~0.offset_17| 0) (= (select .cse1 |v_#t~string3.base_4|) 0)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_9|, #valid=|v_#valid_29|, #memory_int=|v_#memory_int_12|, #length=|v_#length_15|} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_7|, ULTIMATE.start_main_~#th_id~0.base=|v_ULTIMATE.start_main_~#th_id~0.base_20|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_11|, #NULL.offset=|v_#NULL.offset_2|, #NULL.base=|v_#NULL.base_2|, ULTIMATE.start_main_~#th_id~0.offset=|v_ULTIMATE.start_main_~#th_id~0.offset_17|, #t~string3.offset=|v_#t~string3.offset_4|, #StackHeapBarrier=|v_#StackHeapBarrier_9|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_12|, #length=|v_#length_14|, #t~string3.base=|v_#t~string3.base_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_~#th_id~0.base, ULTIMATE.start_main_#t~nondet2, #NULL.offset, #NULL.base, ULTIMATE.start_main_~#th_id~0.offset, #t~string3.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_#t~mem1, #length, #t~string3.base] because there is no mapped edge [2019-12-17 10:53:08,435 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [76] [76] L25-1-->L26-1: Formula: (= (select (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#th_id~0.base_7|) |v_ULTIMATE.start_main_~#th_id~0.offset_7|) |v_ULTIMATE.start_main_#t~mem1_6|) InVars {ULTIMATE.start_main_~#th_id~0.base=|v_ULTIMATE.start_main_~#th_id~0.base_7|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_~#th_id~0.offset=|v_ULTIMATE.start_main_~#th_id~0.offset_7|} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_3|, ULTIMATE.start_main_~#th_id~0.base=|v_ULTIMATE.start_main_~#th_id~0.base_7|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_6|, ULTIMATE.start_main_~#th_id~0.offset=|v_ULTIMATE.start_main_~#th_id~0.offset_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~mem1] because there is no mapped edge [2019-12-17 10:53:08,435 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [93] [93] fooENTRY-->fooEXIT: Formula: (and (= |fooThread1of1ForFork0_#in~n.base_In-1903320463| fooThread1of1ForFork0_~n.base_Out-1903320463) (= 0 |fooThread1of1ForFork0_#res.base_Out-1903320463|) (= |fooThread1of1ForFork0_#in~n.offset_In-1903320463| fooThread1of1ForFork0_~n.offset_Out-1903320463) (= 0 |fooThread1of1ForFork0_#res.offset_Out-1903320463|)) InVars {fooThread1of1ForFork0_#in~n.offset=|fooThread1of1ForFork0_#in~n.offset_In-1903320463|, fooThread1of1ForFork0_#in~n.base=|fooThread1of1ForFork0_#in~n.base_In-1903320463|} OutVars{fooThread1of1ForFork0_#in~n.offset=|fooThread1of1ForFork0_#in~n.offset_In-1903320463|, fooThread1of1ForFork0_~n.base=fooThread1of1ForFork0_~n.base_Out-1903320463, fooThread1of1ForFork0_~n.offset=fooThread1of1ForFork0_~n.offset_Out-1903320463, fooThread1of1ForFork0_#in~n.base=|fooThread1of1ForFork0_#in~n.base_In-1903320463|, fooThread1of1ForFork0_#res.offset=|fooThread1of1ForFork0_#res.offset_Out-1903320463|, fooThread1of1ForFork0_#res.base=|fooThread1of1ForFork0_#res.base_Out-1903320463|} AuxVars[] AssignedVars[fooThread1of1ForFork0_~n.base, fooThread1of1ForFork0_~n.offset, fooThread1of1ForFork0_#res.offset, fooThread1of1ForFork0_#res.base] because there is no mapped edge [2019-12-17 10:53:08,436 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [92] [92] L26-2-->ULTIMATE.startErr0ASSERT_VIOLATIONASSERT: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_7|, ULTIMATE.start_main_#t~mem1=|v_ULTIMATE.start_main_#t~mem1_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#t~mem1] because there is no mapped edge [2019-12-17 10:53:08,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:53:08 BasicIcfg [2019-12-17 10:53:08,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:53:08,468 INFO L168 Benchmark]: Toolchain (without parser) took 1730.90 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 100.2 MB in the beginning and 206.6 MB in the end (delta: -106.4 MB). Peak memory consumption was 74.6 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,472 INFO L168 Benchmark]: CDTParser took 1.69 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.36 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 179.0 MB in the end (delta: -79.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 177.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,478 INFO L168 Benchmark]: Boogie Preprocessor took 22.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.8 MB in the beginning and 176.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,480 INFO L168 Benchmark]: RCFGBuilder took 266.77 ms. Allocated memory is still 201.9 MB. Free memory was 176.5 MB in the beginning and 163.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,481 INFO L168 Benchmark]: TraceAbstraction took 1079.78 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 206.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:53:08,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 326.36 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 179.0 MB in the end (delta: -79.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 31.09 ms. Allocated memory is still 201.9 MB. Free memory was 179.0 MB in the beginning and 177.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.8 MB in the beginning and 176.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.77 ms. Allocated memory is still 201.9 MB. Free memory was 176.5 MB in the beginning and 163.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1079.78 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 206.6 MB in the end (delta: -44.1 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 30 ProgramPointsBefore, 11 ProgramPointsAfterwards, 28 TransitionsBefore, 8 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 5 FixpointIterations, 16 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 12 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 16 CheckedPairsTotal, 23 TotalNumberOfCompositions - CounterExampleResult [Line: 28]: assertion can be violated assertion can be violated We found a FailurePath: [L25] FCALL, FORK 0 pthread_create(&th_id, NULL, foo, NULL) VAL [n={0:0}] [L26] FCALL, JOIN 1 pthread_join(th_id, NULL) VAL [\result={0:0}, n={0:0}, n={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...