/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:16:33,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:16:33,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:16:33,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:16:33,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:16:33,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:16:33,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:16:33,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:16:33,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:16:33,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:16:33,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:16:33,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:16:33,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:16:33,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:16:33,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:16:33,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:16:33,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:16:33,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:16:33,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:16:33,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:16:33,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:16:33,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:16:33,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:16:33,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:16:33,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 08:16:33,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 08:16:33,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 08:16:33,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 08:16:33,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 08:16:33,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 08:16:33,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:16:33,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:16:33,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:16:33,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:16:33,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:16:33,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:16:33,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:16:33,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:16:33,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:16:33,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:16:33,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:16:33,642 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-VariableLbe.epf [2019-12-27 08:16:33,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:16:33,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:16:33,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:16:33,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:16:33,673 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:16:33,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:16:33,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:16:33,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:16:33,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:16:33,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:16:33,675 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:16:33,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:16:33,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:16:33,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:16:33,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:16:33,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:16:33,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:16:33,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:16:33,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:16:33,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:16:33,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:16:33,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:16:33,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:16:33,960 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:16:33,960 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:16:33,961 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-27 08:16:34,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2d8a8c4/46fd1ade015647b0b82959657d012223/FLAG278c91a21 [2019-12-27 08:16:34,689 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:16:34,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2-join.i [2019-12-27 08:16:34,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2d8a8c4/46fd1ade015647b0b82959657d012223/FLAG278c91a21 [2019-12-27 08:16:34,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce2d8a8c4/46fd1ade015647b0b82959657d012223 [2019-12-27 08:16:34,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:16:34,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:16:34,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:16:34,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:16:34,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:16:34,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:16:34" (1/1) ... [2019-12-27 08:16:34,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716244ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:34, skipping insertion in model container [2019-12-27 08:16:34,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:16:34" (1/1) ... [2019-12-27 08:16:34,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:16:35,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:16:35,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:16:35,841 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:16:35,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:16:36,328 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:16:36,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36 WrapperNode [2019-12-27 08:16:36,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:16:36,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:16:36,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:16:36,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:16:36,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:16:36,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:16:36,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:16:36,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:16:36,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (1/1) ... [2019-12-27 08:16:36,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:16:36,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:16:36,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:16:36,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:16:36,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (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 [2019-12-27 08:16:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:16:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 08:16:36,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 08:16:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 08:16:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:16:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:16:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:16:36,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 08:16:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 08:16:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:16:36,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 08:16:36,589 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:16:37,204 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:16:37,205 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-27 08:16:37,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:16:37 BoogieIcfgContainer [2019-12-27 08:16:37,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:16:37,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:16:37,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:16:37,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:16:37,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:16:34" (1/3) ... [2019-12-27 08:16:37,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdb9694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:16:37, skipping insertion in model container [2019-12-27 08:16:37,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:16:36" (2/3) ... [2019-12-27 08:16:37,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdb9694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:16:37, skipping insertion in model container [2019-12-27 08:16:37,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:16:37" (3/3) ... [2019-12-27 08:16:37,214 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2019-12-27 08:16:37,224 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:16:37,224 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:16:37,231 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-27 08:16:37,232 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:16:37,254 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,255 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,255 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,255 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,255 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,255 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,256 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,256 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,260 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,260 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,260 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,260 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,261 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:16:37,283 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 08:16:37,301 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:16:37,302 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:16:37,302 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:16:37,302 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:16:37,302 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:16:37,302 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:16:37,302 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:16:37,303 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:16:37,318 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 85 transitions [2019-12-27 08:16:37,320 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-27 08:16:37,367 INFO L132 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-27 08:16:37,367 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 08:16:37,372 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 08:16:37,375 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions [2019-12-27 08:16:37,399 INFO L132 PetriNetUnfolder]: 5/96 cut-off events. [2019-12-27 08:16:37,399 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 08:16:37,400 INFO L76 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 5/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 136 event pairs. 0/85 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 08:16:37,402 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 308 [2019-12-27 08:16:37,403 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 08:16:39,404 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-12-27 08:16:39,961 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-12-27 08:16:40,370 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-12-27 08:16:41,075 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-12-27 08:16:41,228 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-27 08:16:41,514 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-12-27 08:16:41,620 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 08:16:41,624 INFO L206 etLargeBlockEncoding]: Checked pairs total: 258 [2019-12-27 08:16:41,624 INFO L214 etLargeBlockEncoding]: Total number of compositions: 92 [2019-12-27 08:16:41,627 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-27 08:16:41,635 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-12-27 08:16:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-27 08:16:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-27 08:16:41,642 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:16:41,643 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-27 08:16:41,644 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:16:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:16:41,649 INFO L82 PathProgramCache]: Analyzing trace with hash 335, now seen corresponding path program 1 times [2019-12-27 08:16:41,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:16:41,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271217374] [2019-12-27 08:16:41,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:16:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:16:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:16:41,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271217374] [2019-12-27 08:16:41,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:16:41,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-27 08:16:41,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463533909] [2019-12-27 08:16:41,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 08:16:41,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:16:41,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 08:16:41,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 08:16:41,918 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-12-27 08:16:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:16:41,932 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2019-12-27 08:16:41,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 08:16:41,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-27 08:16:41,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:16:41,943 INFO L225 Difference]: With dead ends: 21 [2019-12-27 08:16:41,943 INFO L226 Difference]: Without dead ends: 8 [2019-12-27 08:16:41,944 INFO L631 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 [2019-12-27 08:16:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-12-27 08:16:41,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-12-27 08:16:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-27 08:16:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-12-27 08:16:41,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1 [2019-12-27 08:16:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:16:41,977 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-12-27 08:16:41,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 08:16:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-27 08:16:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 08:16:41,978 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:16:41,978 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 08:16:41,979 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:16:41,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:16:41,979 INFO L82 PathProgramCache]: Analyzing trace with hash 10250310, now seen corresponding path program 1 times [2019-12-27 08:16:41,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:16:41,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671276659] [2019-12-27 08:16:41,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:16:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:16:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:16:42,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671276659] [2019-12-27 08:16:42,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:16:42,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:16:42,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512800028] [2019-12-27 08:16:42,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:16:42,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:16:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:16:42,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:16:42,166 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-12-27 08:16:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:16:42,185 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2019-12-27 08:16:42,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:16:42,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 08:16:42,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:16:42,187 INFO L225 Difference]: With dead ends: 8 [2019-12-27 08:16:42,188 INFO L226 Difference]: Without dead ends: 6 [2019-12-27 08:16:42,191 INFO L631 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 [2019-12-27 08:16:42,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-12-27 08:16:42,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-12-27 08:16:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-27 08:16:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2019-12-27 08:16:42,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2019-12-27 08:16:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:16:42,194 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2019-12-27 08:16:42,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:16:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2019-12-27 08:16:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 08:16:42,195 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:16:42,195 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 08:16:42,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:16:42,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:16:42,196 INFO L82 PathProgramCache]: Analyzing trace with hash 317760080, now seen corresponding path program 1 times [2019-12-27 08:16:42,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:16:42,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390651928] [2019-12-27 08:16:42,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:16:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:16:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:16:42,309 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:16:42,309 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:16:42,313 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [306] [306] ULTIMATE.startENTRY-->L1697-1: Formula: (let ((.cse3 (store |v_#valid_48| 0 0))) (let ((.cse0 (store .cse3 |v_~#t1~0.base_16| 1)) (.cse1 (select |v_#memory_int_41| |v_~#t1~0.base_16|)) (.cse2 (select |v_#memory_int_41| |v_~#mutex~0.base_29|))) (and (= v_ULTIMATE.start_ldv_assert_~expression_66 |v_ULTIMATE.start_ldv_assert_#in~expression_44|) (= |v_#valid_47| (store .cse0 |v_~#mutex~0.base_29| 1)) (= (store (store |v_#length_29| |v_~#t1~0.base_16| 4) |v_~#mutex~0.base_29| 24) |v_#length_28|) (= 0 |v_~#mutex~0.offset_29|) (= 1 v_~pdev~0_48) (= (select .cse0 |v_~#mutex~0.base_29|) 0) (= |v_#memory_$Pointer$.offset_19| (store |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.offset_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.offset_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= |v_~#t1~0.offset_16| 0) (= |v_#NULL.offset_7| 0) (= 0 (select .cse1 |v_~#t1~0.offset_16|)) (= (select .cse2 |v_~#mutex~0.offset_29|) 0) (= 0 |v_#NULL.base_7|) (= (store |v_#pthreadsMutex_30| |v_~#mutex~0.base_29| (store (select |v_#pthreadsMutex_30| |v_~#mutex~0.base_29|) |v_~#mutex~0.offset_29| 0)) |v_#pthreadsMutex_29|) (= 0 (select .cse2 (+ |v_~#mutex~0.offset_29| 16))) (= |v_#memory_$Pointer$.base_19| (store |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16| (store (select |v_#memory_$Pointer$.base_20| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16| (select (select |v_#memory_$Pointer$.base_19| |v_~#t1~0.base_16|) |v_~#t1~0.offset_16|)))) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_44|) (= (store |v_#memory_int_41| |v_~#t1~0.base_16| (store .cse1 |v_~#t1~0.offset_16| 0)) |v_#memory_int_40|) (< |v_#StackHeapBarrier_17| |v_~#t1~0.base_16|) (= 0 (select .cse2 (+ |v_~#mutex~0.offset_29| 8))) (= 0 (select .cse3 |v_~#t1~0.base_16|)) (< 0 |v_#StackHeapBarrier_17|) (< |v_#StackHeapBarrier_17| |v_~#mutex~0.base_29|) (= (select .cse2 (+ |v_~#mutex~0.offset_29| 12)) 0) (= (select .cse2 (+ |v_~#mutex~0.offset_29| 4)) 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_30|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_20|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_41|, #length=|v_#length_29|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_20|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_24|, #pthreadsMutex=|v_#pthreadsMutex_29|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_19|, ~#mutex~0.base=|v_~#mutex~0.base_29|, ~#mutex~0.offset=|v_~#mutex~0.offset_29|, #NULL.offset=|v_#NULL.offset_7|, ~#t1~0.offset=|v_~#t1~0.offset_16|, ULTIMATE.start_module_init_#t~nondet31=|v_ULTIMATE.start_module_init_#t~nondet31_32|, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_11|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_44|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_66, #NULL.base=|v_#NULL.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ~#t1~0.base=|v_~#t1~0.base_16|, ULTIMATE.start_main_#t~ret35=|v_ULTIMATE.start_main_#t~ret35_34|, ~pdev~0=v_~pdev~0_48, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_40|, #length=|v_#length_28|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_19|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet31, ULTIMATE.start_module_init_#t~nondet32, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, #NULL.base, ~#t1~0.base, ULTIMATE.start_main_#t~ret35, ~pdev~0, ULTIMATE.start_main_#res, #valid, #memory_int, #length, #memory_$Pointer$.offset] because there is no mapped edge [2019-12-27 08:16:42,314 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [248] [248] L1697-2-->L1699: Formula: (= 2 v_~pdev~0_16) InVars {} OutVars{~pdev~0=v_~pdev~0_16, ULTIMATE.start_module_init_#t~nondet32=|v_ULTIMATE.start_module_init_#t~nondet32_4|} AuxVars[] AssignedVars[~pdev~0, ULTIMATE.start_module_init_#t~nondet32] because there is no mapped edge [2019-12-27 08:16:42,314 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [290] [290] thread1ENTRY-->thread1EXIT: Formula: (let ((.cse0 (select |v_#pthreadsMutex_21| |v_~#mutex~0.base_23|))) (and (= |v_thread1Thread1of1ForFork0_#in~arg.base_6| v_thread1Thread1of1ForFork0_~arg.base_6) (= (store |v_#pthreadsMutex_21| |v_~#mutex~0.base_23| (store .cse0 |v_~#mutex~0.offset_23| 0)) |v_#pthreadsMutex_19|) (= |v_thread1Thread1of1ForFork0_#res.offset_8| 0) (= |v_thread1Thread1of1ForFork0_#res.base_8| 0) (= 6 v_~pdev~0_33) (= 0 (select .cse0 |v_~#mutex~0.offset_23|)) (= |v_thread1Thread1of1ForFork0_#in~arg.offset_6| v_thread1Thread1of1ForFork0_~arg.offset_6))) InVars {#pthreadsMutex=|v_#pthreadsMutex_21|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_6|, ~#mutex~0.base=|v_~#mutex~0.base_23|, ~#mutex~0.offset=|v_~#mutex~0.offset_23|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_6|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_19|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_8|, ~#mutex~0.base=|v_~#mutex~0.base_23|, ~pdev~0=v_~pdev~0_33, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_6, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_6, ~#mutex~0.offset=|v_~#mutex~0.offset_23|, thread1Thread1of1ForFork0_#t~nondet30=|v_thread1Thread1of1ForFork0_#t~nondet30_9|, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_8|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_6|} AuxVars[] AssignedVars[#pthreadsMutex, thread1Thread1of1ForFork0_#res.base, ~pdev~0, thread1Thread1of1ForFork0_~arg.offset, thread1Thread1of1ForFork0_~arg.base, thread1Thread1of1ForFork0_#t~nondet30, thread1Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 08:16:42,314 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [284] [284] L1699-->ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (not (= 2 v_~pdev~0_29)) (= v_ULTIMATE.start_ldv_assert_~expression_49 0) (= v_ULTIMATE.start_ldv_assert_~expression_49 |v_ULTIMATE.start_ldv_assert_#in~expression_28|)) InVars {~pdev~0=v_~pdev~0_29} OutVars{~pdev~0=v_~pdev~0_29, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_28|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_49} AuxVars[] AssignedVars[ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2019-12-27 08:16:42,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:16:42 BasicIcfg [2019-12-27 08:16:42,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:16:42,333 INFO L168 Benchmark]: Toolchain (without parser) took 7379.27 ms. Allocated memory was 138.9 MB in the beginning and 284.2 MB in the end (delta: 145.2 MB). Free memory was 99.2 MB in the beginning and 182.2 MB in the end (delta: -82.9 MB). Peak memory consumption was 62.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,335 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1374.19 ms. Allocated memory was 138.9 MB in the beginning and 237.0 MB in the end (delta: 98.0 MB). Free memory was 98.8 MB in the beginning and 172.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.25 ms. Allocated memory is still 237.0 MB. Free memory was 172.9 MB in the beginning and 170.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,338 INFO L168 Benchmark]: Boogie Preprocessor took 39.24 ms. Allocated memory is still 237.0 MB. Free memory was 170.0 MB in the beginning and 167.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,340 INFO L168 Benchmark]: RCFGBuilder took 696.23 ms. Allocated memory is still 237.0 MB. Free memory was 167.1 MB in the beginning and 129.7 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-12-27 08:16:42,347 INFO L168 Benchmark]: TraceAbstraction took 5122.23 ms. Allocated memory was 237.0 MB in the beginning and 284.2 MB in the end (delta: 47.2 MB). Free memory was 128.3 MB in the beginning and 182.2 MB in the end (delta: -53.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 08:16:42,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1374.19 ms. Allocated memory was 138.9 MB in the beginning and 237.0 MB in the end (delta: 98.0 MB). Free memory was 98.8 MB in the beginning and 172.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 78.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 140.25 ms. Allocated memory is still 237.0 MB. Free memory was 172.9 MB in the beginning and 170.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.24 ms. Allocated memory is still 237.0 MB. Free memory was 170.0 MB in the beginning and 167.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 696.23 ms. Allocated memory is still 237.0 MB. Free memory was 167.1 MB in the beginning and 129.7 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5122.23 ms. Allocated memory was 237.0 MB in the beginning and 284.2 MB in the end (delta: 47.2 MB). Free memory was 128.3 MB in the beginning and 182.2 MB in the end (delta: -53.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.3s, 83 ProgramPointsBefore, 17 ProgramPointsAfterwards, 85 TransitionsBefore, 16 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 7 FixpointIterations, 57 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 163 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 258 CheckedPairsTotal, 92 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1697] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Result: UNSAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...