/usr/bin/java -Xmx16000000000 -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-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:58:56,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:58:56,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:58:56,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:58:56,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:58:56,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:58:56,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:58:56,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:58:56,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:58:56,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:58:56,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:58:56,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:58:56,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:58:56,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:58:56,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:58:56,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:58:56,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:58:56,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:58:56,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:58:56,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:58:56,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:58:56,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:58:56,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:58:56,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:58:56,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 01:58:56,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 01:58:56,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 01:58:56,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 01:58:56,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 01:58:56,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 01:58:56,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:58:56,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:58:56,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:58:56,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:58:56,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:58:56,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:58:56,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:58:56,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:58:56,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:58:56,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:58:56,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:58:56,977 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-PN-SemanticLbe.epf [2020-10-16 01:58:57,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:58:57,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:58:57,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:58:57,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:58:57,019 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:58:57,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:58:57,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:58:57,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:58:57,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:58:57,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:58:57,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:58:57,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:58:57,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:58:57,021 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:58:57,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:58:57,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:58:57,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:58:57,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:58:57,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:58:57,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:58:57,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:58:57,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:58:57,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:58:57,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:58:57,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:58:57,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:58:57,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:58:57,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:58:57,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:58:57,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:58:57,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:58:57,309 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:58:57,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:58:57,311 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:58:57,311 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 01:58:57,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e894a5aa/ee4fa6252e3e43beae9194f51b2d898e/FLAGd330d186d [2020-10-16 01:58:57,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:58:57,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2020-10-16 01:58:58,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e894a5aa/ee4fa6252e3e43beae9194f51b2d898e/FLAGd330d186d [2020-10-16 01:58:58,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e894a5aa/ee4fa6252e3e43beae9194f51b2d898e [2020-10-16 01:58:58,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:58:58,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:58:58,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:58:58,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:58:58,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:58:58,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:58:58" (1/1) ... [2020-10-16 01:58:58,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a6b2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:58, skipping insertion in model container [2020-10-16 01:58:58,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:58:58" (1/1) ... [2020-10-16 01:58:58,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:58:58,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:58:59,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:58:59,035 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:58:59,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:58:59,572 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:58:59,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59 WrapperNode [2020-10-16 01:58:59,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:58:59,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:58:59,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:58:59,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:58:59,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:58:59,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:58:59,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:58:59,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:58:59,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (1/1) ... [2020-10-16 01:58:59,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:58:59,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:58:59,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:58:59,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:58:59,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (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 [2020-10-16 01:58:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:58:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 01:58:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 01:58:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 01:58:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:58:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:58:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:58:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-16 01:58:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-16 01:58:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:58:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 01:58:59,786 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:59:00,261 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:59:00,261 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-16 01:59:00,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:00 BoogieIcfgContainer [2020-10-16 01:59:00,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:59:00,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:59:00,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:59:00,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:59:00,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:58:58" (1/3) ... [2020-10-16 01:59:00,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764cdaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:00, skipping insertion in model container [2020-10-16 01:59:00,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:58:59" (2/3) ... [2020-10-16 01:59:00,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764cdaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:00, skipping insertion in model container [2020-10-16 01:59:00,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:00" (3/3) ... [2020-10-16 01:59:00,271 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2020-10-16 01:59:00,282 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:59:00,289 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-16 01:59:00,290 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:59:00,315 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,315 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,315 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,315 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,316 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,316 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,316 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,317 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,320 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,320 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,320 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,321 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,321 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:00,346 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 01:59:00,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:59:00,367 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:59:00,368 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:59:00,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:59:00,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:59:00,368 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:59:00,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:59:00,368 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:59:00,382 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 85 transitions, 178 flow [2020-10-16 01:59:00,424 INFO L129 PetriNetUnfolder]: 6/104 cut-off events. [2020-10-16 01:59:00,424 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 01:59:00,428 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. [2020-10-16 01:59:00,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 85 transitions, 178 flow [2020-10-16 01:59:00,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 75 transitions, 156 flow [2020-10-16 01:59:00,436 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:59:00,439 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 156 flow [2020-10-16 01:59:00,441 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 156 flow [2020-10-16 01:59:00,442 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 156 flow [2020-10-16 01:59:00,461 INFO L129 PetriNetUnfolder]: 4/90 cut-off events. [2020-10-16 01:59:00,461 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 01:59:00,462 INFO L80 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 90 events. 4/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 102 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 55. Up to 4 conditions per place. [2020-10-16 01:59:00,464 INFO L117 LiptonReduction]: Number of co-enabled transitions 238 [2020-10-16 01:59:01,808 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-16 01:59:02,270 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-16 01:59:02,393 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-16 01:59:02,407 INFO L132 LiptonReduction]: Checked pairs total: 234 [2020-10-16 01:59:02,408 INFO L134 LiptonReduction]: Total number of compositions: 90 [2020-10-16 01:59:02,411 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1977 [2020-10-16 01:59:02,415 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 01:59:02,415 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:59:02,416 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:59:02,416 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 01:59:02,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:59:02,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:59:02,421 INFO L82 PathProgramCache]: Analyzing trace with hash 333, now seen corresponding path program 1 times [2020-10-16 01:59:02,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:59:02,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937465112] [2020-10-16 01:59:02,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:59:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:59:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:59:02,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937465112] [2020-10-16 01:59:02,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:59:02,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 01:59:02,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45994484] [2020-10-16 01:59:02,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 01:59:02,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:59:02,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 01:59:02,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 01:59:02,708 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 175 [2020-10-16 01:59:02,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 11 transitions, 28 flow. Second operand 2 states. [2020-10-16 01:59:02,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:59:02,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 175 [2020-10-16 01:59:02,712 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:59:02,718 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 01:59:02,718 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-16 01:59:02,719 INFO L80 FinitePrefix]: Finished finitePrefix Result has 13 conditions, 7 events. 0/7 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 5 event pairs, 0 based on Foata normal form. 2/8 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-16 01:59:02,720 INFO L132 encePairwiseOnDemand]: 171/175 looper letters, 0 selfloop transitions, 0 changer transitions 2/7 dead transitions. [2020-10-16 01:59:02,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 7 transitions, 20 flow [2020-10-16 01:59:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 01:59:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 01:59:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 300 transitions. [2020-10-16 01:59:02,735 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8571428571428571 [2020-10-16 01:59:02,736 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 300 transitions. [2020-10-16 01:59:02,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 300 transitions. [2020-10-16 01:59:02,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:59:02,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 300 transitions. [2020-10-16 01:59:02,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 01:59:02,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 01:59:02,752 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 01:59:02,754 INFO L185 Difference]: Start difference. First operand has 14 places, 11 transitions, 28 flow. Second operand 2 states and 300 transitions. [2020-10-16 01:59:02,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 7 transitions, 20 flow [2020-10-16 01:59:02,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 7 transitions, 16 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:59:02,758 INFO L241 Difference]: Finished difference. Result has 10 places, 5 transitions, 11 flow [2020-10-16 01:59:02,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=11, PETRI_PLACES=10, PETRI_TRANSITIONS=5} [2020-10-16 01:59:02,765 INFO L342 CegarLoopForPetriNet]: 14 programPoint places, -4 predicate places. [2020-10-16 01:59:02,765 INFO L481 AbstractCegarLoop]: Abstraction has has 10 places, 5 transitions, 11 flow [2020-10-16 01:59:02,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 01:59:02,765 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:59:02,765 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 01:59:02,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:59:02,767 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:59:02,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:59:02,767 INFO L82 PathProgramCache]: Analyzing trace with hash 10102611, now seen corresponding path program 1 times [2020-10-16 01:59:02,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:59:02,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481309067] [2020-10-16 01:59:02,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:59:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:59:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:59:02,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481309067] [2020-10-16 01:59:02,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:59:02,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:59:02,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699576202] [2020-10-16 01:59:02,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:59:02,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:59:02,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:59:02,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:59:02,953 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 175 [2020-10-16 01:59:02,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 10 places, 5 transitions, 11 flow. Second operand 3 states. [2020-10-16 01:59:02,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:59:02,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 175 [2020-10-16 01:59:02,953 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:59:02,969 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2020-10-16 01:59:02,969 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:59:02,969 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17 conditions, 7 events. 0/7 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/9 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2020-10-16 01:59:02,970 INFO L132 encePairwiseOnDemand]: 172/175 looper letters, 2 selfloop transitions, 2 changer transitions 1/6 dead transitions. [2020-10-16 01:59:02,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 23 flow [2020-10-16 01:59:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:59:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:59:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2020-10-16 01:59:02,974 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6228571428571429 [2020-10-16 01:59:02,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 327 transitions. [2020-10-16 01:59:02,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 327 transitions. [2020-10-16 01:59:02,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:59:02,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 327 transitions. [2020-10-16 01:59:02,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:59:02,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:59:02,978 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:59:02,978 INFO L185 Difference]: Start difference. First operand has 10 places, 5 transitions, 11 flow. Second operand 3 states and 327 transitions. [2020-10-16 01:59:02,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 23 flow [2020-10-16 01:59:02,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 23 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 01:59:02,979 INFO L241 Difference]: Finished difference. Result has 11 places, 5 transitions, 19 flow [2020-10-16 01:59:02,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=11, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=19, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2020-10-16 01:59:02,980 INFO L342 CegarLoopForPetriNet]: 14 programPoint places, -3 predicate places. [2020-10-16 01:59:02,981 INFO L481 AbstractCegarLoop]: Abstraction has has 11 places, 5 transitions, 19 flow [2020-10-16 01:59:02,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:59:02,981 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:59:02,981 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 01:59:02,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:59:02,982 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:59:02,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:59:02,982 INFO L82 PathProgramCache]: Analyzing trace with hash 313181551, now seen corresponding path program 1 times [2020-10-16 01:59:02,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:59:02,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851617175] [2020-10-16 01:59:02,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:59:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:59:03,023 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:59:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:59:03,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:59:03,068 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:59:03,068 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:59:03,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:59:03,069 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 01:59:03,074 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [299] [299] ULTIMATE.startENTRY-->L1696: Formula: (let ((.cse2 (store |#valid_In855868201| 0 0))) (let ((.cse0 (select |#memory_int_In855868201| |~#mutex~0.base_Out855868201|)) (.cse1 (store .cse2 |~#t1~0.base_Out855868201| 1))) (and (<= |ULTIMATE.start_module_init_#t~nondet31_Out855868201| 2147483647) (< |#StackHeapBarrier_In855868201| |~#mutex~0.base_Out855868201|) (= (select .cse0 |~#mutex~0.offset_Out855868201|) 0) (= |#NULL.base_Out855868201| 0) (= 0 |#NULL.offset_Out855868201|) (= 0 |~#mutex~0.offset_Out855868201|) (< 0 |#StackHeapBarrier_In855868201|) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet31_Out855868201| 2147483648)) (= (select .cse0 (+ |~#mutex~0.offset_Out855868201| 12)) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out855868201| 16)) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out855868201| 4)) 0) (= |#length_Out855868201| (store (store |#length_In855868201| |~#t1~0.base_Out855868201| 4) |~#mutex~0.base_Out855868201| 24)) (= 0 (select (select |#memory_int_In855868201| |~#t1~0.base_Out855868201|) |~#t1~0.offset_Out855868201|)) (= ~pdev~0_Out855868201 1) (= (select .cse0 (+ |~#mutex~0.offset_Out855868201| 8)) 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out855868201| ULTIMATE.start_ldv_assert_~expression_Out855868201) (= (select .cse1 |~#mutex~0.base_Out855868201|) 0) (= (select .cse2 |~#t1~0.base_Out855868201|) 0) (< |#StackHeapBarrier_In855868201| |~#t1~0.base_Out855868201|) (= (store |#pthreadsMutex_In855868201| |~#mutex~0.base_Out855868201| (store (select |#pthreadsMutex_In855868201| |~#mutex~0.base_Out855868201|) |~#mutex~0.offset_Out855868201| 0)) |#pthreadsMutex_Out855868201|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out855868201| 1) (= |~#t1~0.offset_Out855868201| 0) (= (store .cse1 |~#mutex~0.base_Out855868201| 1) |#valid_Out855868201|)))) InVars {#pthreadsMutex=|#pthreadsMutex_In855868201|, #StackHeapBarrier=|#StackHeapBarrier_In855868201|, #valid=|#valid_In855868201|, #memory_int=|#memory_int_In855868201|, #length=|#length_In855868201|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out855868201|, #pthreadsMutex=|#pthreadsMutex_Out855868201|, ~#mutex~0.base=|~#mutex~0.base_Out855868201|, ~#mutex~0.offset=|~#mutex~0.offset_Out855868201|, #NULL.offset=|#NULL.offset_Out855868201|, ULTIMATE.start_module_init_#t~nondet31=|ULTIMATE.start_module_init_#t~nondet31_Out855868201|, ~#t1~0.offset=|~#t1~0.offset_Out855868201|, ULTIMATE.start_module_init_#t~nondet32=|ULTIMATE.start_module_init_#t~nondet32_Out855868201|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out855868201|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out855868201, #NULL.base=|#NULL.base_Out855868201|, #StackHeapBarrier=|#StackHeapBarrier_In855868201|, ~#t1~0.base=|~#t1~0.base_Out855868201|, ULTIMATE.start_main_#t~ret35=|ULTIMATE.start_main_#t~ret35_Out855868201|, ~pdev~0=~pdev~0_Out855868201, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out855868201|, #valid=|#valid_Out855868201|, #memory_int=|#memory_int_In855868201|, #length=|#length_Out855868201|} 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 [2020-10-16 01:59:03,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:59:03 BasicIcfg [2020-10-16 01:59:03,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:59:03,098 INFO L168 Benchmark]: Toolchain (without parser) took 4915.22 ms. Allocated memory was 251.1 MB in the beginning and 421.5 MB in the end (delta: 170.4 MB). Free memory was 204.6 MB in the beginning and 348.3 MB in the end (delta: -143.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.2 GB. [2020-10-16 01:59:03,099 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:59:03,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1389.66 ms. Allocated memory was 251.1 MB in the beginning and 354.4 MB in the end (delta: 103.3 MB). Free memory was 204.6 MB in the beginning and 320.9 MB in the end (delta: -116.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 14.2 GB. [2020-10-16 01:59:03,101 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.16 ms. Allocated memory is still 354.4 MB. Free memory was 320.9 MB in the beginning and 317.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 01:59:03,102 INFO L168 Benchmark]: Boogie Preprocessor took 41.87 ms. Allocated memory is still 354.4 MB. Free memory was 317.5 MB in the beginning and 314.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 01:59:03,102 INFO L168 Benchmark]: RCFGBuilder took 557.84 ms. Allocated memory is still 354.4 MB. Free memory was 314.2 MB in the beginning and 274.5 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 14.2 GB. [2020-10-16 01:59:03,103 INFO L168 Benchmark]: TraceAbstraction took 2832.19 ms. Allocated memory was 354.4 MB in the beginning and 421.5 MB in the end (delta: 67.1 MB). Free memory was 274.5 MB in the beginning and 348.3 MB in the end (delta: -73.8 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:59:03,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1389.66 ms. Allocated memory was 251.1 MB in the beginning and 354.4 MB in the end (delta: 103.3 MB). Free memory was 204.6 MB in the beginning and 320.9 MB in the end (delta: -116.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 89.16 ms. Allocated memory is still 354.4 MB. Free memory was 320.9 MB in the beginning and 317.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.87 ms. Allocated memory is still 354.4 MB. Free memory was 317.5 MB in the beginning and 314.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 557.84 ms. Allocated memory is still 354.4 MB. Free memory was 314.2 MB in the beginning and 274.5 MB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2832.19 ms. Allocated memory was 354.4 MB in the beginning and 421.5 MB in the end (delta: 67.1 MB). Free memory was 274.5 MB in the beginning and 348.3 MB in the end (delta: -73.8 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 158 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 7 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.9s, 75 PlacesBefore, 14 PlacesAfterwards, 75 TransitionsBefore, 11 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 90 TotalNumberOfCompositions, 234 MoverChecksTotal - 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={3:0}, pdev=1, t1={5:0}] [L1698] 0 return 0; [L1715] COND FALSE 0 !(module_init()!=0) [L1706] 0 void *status; [L1707] 0 pdev = 4 VAL [arg={0:0}, mutex={3:0}, pdev=4, t1={5:0}] [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={3:0}, pdev=6, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 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=28occurred 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, 0.1s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...