/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:56:12,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:56:12,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:56:12,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:56:12,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:56:12,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:56:12,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:56:12,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:56:12,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:56:12,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:56:12,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:56:12,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:56:12,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:56:12,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:56:12,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:56:12,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:56:12,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:56:12,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:56:12,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:56:12,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:56:12,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:56:12,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:56:12,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:56:12,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:56:12,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:56:12,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:56:12,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:56:12,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:56:12,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:56:12,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:56:12,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:56:12,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:56:12,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:56:12,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:56:12,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:56:12,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:56:12,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:56:12,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:56:12,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:56:12,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:56:12,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:56:12,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 18:56:12,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:56:12,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:56:12,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:56:12,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:56:12,263 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:56:12,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:56:12,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:56:12,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:56:12,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:56:12,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:56:12,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:56:12,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:56:12,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:56:12,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:56:12,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:56:12,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:56:12,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:56:12,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:56:12,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:56:12,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:56:12,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:56:12,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:56:12,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:56:12,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:56:12,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:56:12,561 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:56:12,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2019-12-27 18:56:12,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8f938/d891136936654222a56e407563b32b36/FLAG6dc35281f [2019-12-27 18:56:13,276 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:56:13,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2019-12-27 18:56:13,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8f938/d891136936654222a56e407563b32b36/FLAG6dc35281f [2019-12-27 18:56:13,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aed8f938/d891136936654222a56e407563b32b36 [2019-12-27 18:56:13,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:56:13,468 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:56:13,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:56:13,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:56:13,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:56:13,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:56:13" (1/1) ... [2019-12-27 18:56:13,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1348257a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:13, skipping insertion in model container [2019-12-27 18:56:13,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:56:13" (1/1) ... [2019-12-27 18:56:13,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:56:13,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:56:14,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:56:14,298 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:56:14,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:56:14,771 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:56:14,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14 WrapperNode [2019-12-27 18:56:14,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:56:14,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:56:14,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:56:14,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:56:14,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:56:14,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:56:14,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:56:14,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:56:14,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (1/1) ... [2019-12-27 18:56:14,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:56:14,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:56:14,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:56:14,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:56:14,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (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 18:56:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:56:14,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 18:56:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 18:56:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 18:56:14,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:56:14,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:56:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:56:14,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 18:56:14,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 18:56:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:56:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 18:56:14,982 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 18:56:15,572 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:56:15,572 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-27 18:56:15,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:56:15 BoogieIcfgContainer [2019-12-27 18:56:15,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:56:15,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:56:15,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:56:15,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:56:15,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:56:13" (1/3) ... [2019-12-27 18:56:15,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d472db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:56:15, skipping insertion in model container [2019-12-27 18:56:15,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:56:14" (2/3) ... [2019-12-27 18:56:15,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d472db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:56:15, skipping insertion in model container [2019-12-27 18:56:15,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:56:15" (3/3) ... [2019-12-27 18:56:15,582 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2019-12-27 18:56:15,593 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:56:15,593 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:56:15,601 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-27 18:56:15,602 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:56:15,629 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,630 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,630 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,630 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,630 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,631 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,631 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,631 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,631 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,632 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,632 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,632 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,632 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,633 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,636 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,637 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,637 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,637 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,637 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,637 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,638 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:15,666 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 18:56:15,682 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:56:15,682 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:56:15,682 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:56:15,682 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:56:15,682 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:56:15,683 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:56:15,683 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:56:15,683 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:56:15,697 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 84 transitions [2019-12-27 18:56:15,699 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-27 18:56:15,744 INFO L132 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-27 18:56:15,745 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 18:56:15,750 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 18:56:15,753 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-27 18:56:15,777 INFO L132 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-27 18:56:15,777 INFO L133 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2019-12-27 18:56:15,778 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-27 18:56:15,780 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 392 [2019-12-27 18:56:15,781 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:56:18,410 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2019-12-27 18:56:18,691 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-27 18:56:19,463 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 18:56:19,593 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-27 18:56:19,755 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-27 18:56:19,934 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-27 18:56:19,965 INFO L206 etLargeBlockEncoding]: Checked pairs total: 291 [2019-12-27 18:56:19,965 INFO L214 etLargeBlockEncoding]: Total number of compositions: 100 [2019-12-27 18:56:19,969 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 15 transitions [2019-12-27 18:56:19,975 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 25 states. [2019-12-27 18:56:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-12-27 18:56:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-27 18:56:19,983 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:19,983 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-27 18:56:19,984 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:19,988 INFO L82 PathProgramCache]: Analyzing trace with hash 345, now seen corresponding path program 1 times [2019-12-27 18:56:20,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:20,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828269342] [2019-12-27 18:56:20,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:20,282 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 18:56:20,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828269342] [2019-12-27 18:56:20,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:20,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-27 18:56:20,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2145935462] [2019-12-27 18:56:20,286 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:20,291 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:20,304 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 2 states and 1 transitions. [2019-12-27 18:56:20,305 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:20,314 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:20,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 18:56:20,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:20,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 18:56:20,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 18:56:20,337 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-12-27 18:56:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:20,346 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-12-27 18:56:20,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 18:56:20,348 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-27 18:56:20,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:20,359 INFO L225 Difference]: With dead ends: 17 [2019-12-27 18:56:20,360 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:56:20,361 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 18:56:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:56:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:56:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:56:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:56:20,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2019-12-27 18:56:20,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:20,409 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:56:20,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 18:56:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:56:20,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:56:20,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:56:20 BasicIcfg [2019-12-27 18:56:20,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:56:20,420 INFO L168 Benchmark]: Toolchain (without parser) took 6952.30 ms. Allocated memory was 136.8 MB in the beginning and 287.8 MB in the end (delta: 151.0 MB). Free memory was 98.9 MB in the beginning and 247.6 MB in the end (delta: -148.7 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,421 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1303.37 ms. Allocated memory was 136.8 MB in the beginning and 232.3 MB in the end (delta: 95.4 MB). Free memory was 98.5 MB in the beginning and 169.8 MB in the end (delta: -71.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.63 ms. Allocated memory is still 232.3 MB. Free memory was 169.8 MB in the beginning and 166.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,424 INFO L168 Benchmark]: Boogie Preprocessor took 44.78 ms. Allocated memory is still 232.3 MB. Free memory was 166.9 MB in the beginning and 164.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,425 INFO L168 Benchmark]: RCFGBuilder took 664.26 ms. Allocated memory is still 232.3 MB. Free memory was 164.0 MB in the beginning and 125.2 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-12-27 18:56:20,425 INFO L168 Benchmark]: TraceAbstraction took 4843.38 ms. Allocated memory was 232.3 MB in the beginning and 287.8 MB in the end (delta: 55.6 MB). Free memory was 125.2 MB in the beginning and 247.6 MB in the end (delta: -122.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:56:20,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1303.37 ms. Allocated memory was 136.8 MB in the beginning and 232.3 MB in the end (delta: 95.4 MB). Free memory was 98.5 MB in the beginning and 169.8 MB in the end (delta: -71.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 91.63 ms. Allocated memory is still 232.3 MB. Free memory was 169.8 MB in the beginning and 166.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.78 ms. Allocated memory is still 232.3 MB. Free memory was 166.9 MB in the beginning and 164.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 664.26 ms. Allocated memory is still 232.3 MB. Free memory was 164.0 MB in the beginning and 125.2 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4843.38 ms. Allocated memory was 232.3 MB in the beginning and 287.8 MB in the end (delta: 55.6 MB). Free memory was 125.2 MB in the beginning and 247.6 MB in the end (delta: -122.3 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: 4.2s, 82 ProgramPointsBefore, 16 ProgramPointsAfterwards, 84 TransitionsBefore, 15 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 203 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 291 CheckedPairsTotal, 100 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 4 error locations. Result: SAFE, OverallTime: 4.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 correct! Received shutdown request...