/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:47:51,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:47:51,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:47:51,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:47:51,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:47:51,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:47:51,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:47:51,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:47:51,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:47:51,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:47:51,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:47:51,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:47:51,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:47:51,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:47:51,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:47:51,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:47:51,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:47:51,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:47:51,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:47:51,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:47:51,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:47:51,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:47:51,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:47:51,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:47:51,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:47:51,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:47:51,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:47:51,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:47:51,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:47:51,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:47:51,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:47:51,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:47:51,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:47:51,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:47:51,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:47:51,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:47:51,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:47:51,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:47:51,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:47:51,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:47:51,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:47:51,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:47:51,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:47:51,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:47:51,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:47:51,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:47:51,271 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:47:51,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:47:51,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:47:51,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:47:51,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:47:51,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:47:51,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:47:51,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:47:51,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:47:51,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:47:51,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:47:51,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:47:51,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:47:51,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:47:51,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:47:51,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:47:51,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:47:51,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:47:51,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:47:51,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:47:51,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:47:51,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:47:51,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:47:51,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:47:51,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:47:51,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:47:51,719 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:47:51,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2020-12-23 13:47:51,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c88ba2bc5/c043c94d33d040609b17d9b4c535f4e0/FLAG1d707d8fa [2020-12-23 13:47:52,578 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:47:52,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2020-12-23 13:47:52,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c88ba2bc5/c043c94d33d040609b17d9b4c535f4e0/FLAG1d707d8fa [2020-12-23 13:47:52,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c88ba2bc5/c043c94d33d040609b17d9b4c535f4e0 [2020-12-23 13:47:52,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:47:52,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:47:52,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:47:52,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:47:52,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:47:52,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:47:52" (1/1) ... [2020-12-23 13:47:52,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5007f790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:52, skipping insertion in model container [2020-12-23 13:47:52,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:47:52" (1/1) ... [2020-12-23 13:47:52,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:47:52,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 13:47:53,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] [2020-12-23 13:47:53,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:47:53,647 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 13:47:53,716 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pdev~0,GLOBAL] [2020-12-23 13:47:53,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:47:54,142 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:47:54,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54 WrapperNode [2020-12-23 13:47:54,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:47:54,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:47:54,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:47:54,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:47:54,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:47:54,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:47:54,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:47:54,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:47:54,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... [2020-12-23 13:47:54,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:47:54,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:47:54,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:47:54,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:47:54,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 13:47:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:47:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:47:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 13:47:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-23 13:47:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:47:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:47:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:47:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-23 13:47:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-23 13:47:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:47:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:47:54,445 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:47:55,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:47:55,012 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-23 13:47:55,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:47:55 BoogieIcfgContainer [2020-12-23 13:47:55,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:47:55,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:47:55,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:47:55,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:47:55,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:47:52" (1/3) ... [2020-12-23 13:47:55,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41de2336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:47:55, skipping insertion in model container [2020-12-23 13:47:55,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:47:54" (2/3) ... [2020-12-23 13:47:55,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41de2336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:47:55, skipping insertion in model container [2020-12-23 13:47:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:47:55" (3/3) ... [2020-12-23 13:47:55,024 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2020-12-23 13:47:55,036 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:47:55,037 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:47:55,042 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-23 13:47:55,043 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:47:55,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:47:55,104 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-12-23 13:47:55,126 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 13:47:55,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:47:55,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:47:55,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:47:55,149 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:47:55,149 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:47:55,150 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:47:55,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:47:55,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:47:55,163 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:47:55,166 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 92 transitions, 192 flow [2020-12-23 13:47:55,169 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 92 transitions, 192 flow [2020-12-23 13:47:55,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 92 transitions, 192 flow [2020-12-23 13:47:55,250 INFO L129 PetriNetUnfolder]: 5/103 cut-off events. [2020-12-23 13:47:55,250 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-12-23 13:47:55,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 5/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 178 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 58. Up to 3 conditions per place. [2020-12-23 13:47:55,260 INFO L116 LiptonReduction]: Number of co-enabled transitions 420 [2020-12-23 13:47:58,361 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-12-23 13:47:58,648 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2020-12-23 13:47:58,866 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 13:47:58,974 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 13:47:59,083 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 13:47:59,204 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-23 13:47:59,592 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 13:47:59,767 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 13:48:00,100 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-12-23 13:48:00,267 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-23 13:48:00,495 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 13:48:00,710 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-12-23 13:48:00,949 WARN L197 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-12-23 13:48:01,196 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-12-23 13:48:01,552 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2020-12-23 13:48:01,703 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-12-23 13:48:02,098 WARN L197 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 117 [2020-12-23 13:48:02,289 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-12-23 13:48:02,292 INFO L131 LiptonReduction]: Checked pairs total: 378 [2020-12-23 13:48:02,292 INFO L133 LiptonReduction]: Total number of compositions: 113 [2020-12-23 13:48:02,300 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 14 transitions, 36 flow [2020-12-23 13:48:02,308 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-12-23 13:48:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-23 13:48:02,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-12-23 13:48:02,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:48:02,315 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-12-23 13:48:02,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:48:02,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:48:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash 374, now seen corresponding path program 1 times [2020-12-23 13:48:02,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:48:02,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628955478] [2020-12-23 13:48:02,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:48:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:48:02,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:48:02,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628955478] [2020-12-23 13:48:02,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:48:02,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-12-23 13:48:02,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931442540] [2020-12-23 13:48:02,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 13:48:02,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:48:02,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 13:48:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 13:48:02,652 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-12-23 13:48:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:48:02,665 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-12-23 13:48:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 13:48:02,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-12-23 13:48:02,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:48:02,673 INFO L225 Difference]: With dead ends: 14 [2020-12-23 13:48:02,673 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 13:48:02,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 13:48:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 13:48:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 13:48:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 13:48:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 13:48:02,706 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2020-12-23 13:48:02,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:48:02,714 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 13:48:02,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 13:48:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 13:48:02,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 13:48:02,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:48:02,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:48:02 BasicIcfg [2020-12-23 13:48:02,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 13:48:02,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 13:48:02,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 13:48:02,724 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 13:48:02,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:47:55" (3/4) ... [2020-12-23 13:48:02,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 13:48:02,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2020-12-23 13:48:02,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-23 13:48:02,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 13:48:02,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:48:02,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:48:02,798 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-races/race-1_1-join.i-witness.graphml [2020-12-23 13:48:02,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 13:48:02,801 INFO L168 Benchmark]: Toolchain (without parser) took 10009.73 ms. Allocated memory was 169.9 MB in the beginning and 300.9 MB in the end (delta: 131.1 MB). Free memory was 142.0 MB in the beginning and 242.2 MB in the end (delta: -100.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,803 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:48:02,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1351.84 ms. Allocated memory was 169.9 MB in the beginning and 204.5 MB in the end (delta: 34.6 MB). Free memory was 141.8 MB in the beginning and 117.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.81 ms. Allocated memory is still 204.5 MB. Free memory was 117.5 MB in the beginning and 114.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,808 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 ms. Allocated memory is still 204.5 MB. Free memory was 114.4 MB in the beginning and 112.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,809 INFO L168 Benchmark]: RCFGBuilder took 702.29 ms. Allocated memory is still 204.5 MB. Free memory was 112.3 MB in the beginning and 148.1 MB in the end (delta: -35.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,810 INFO L168 Benchmark]: TraceAbstraction took 7702.89 ms. Allocated memory was 204.5 MB in the beginning and 300.9 MB in the end (delta: 96.5 MB). Free memory was 147.6 MB in the beginning and 245.4 MB in the end (delta: -97.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:48:02,811 INFO L168 Benchmark]: Witness Printer took 75.16 ms. Allocated memory is still 300.9 MB. Free memory was 245.4 MB in the beginning and 242.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:48:02,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 169.9 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1351.84 ms. Allocated memory was 169.9 MB in the beginning and 204.5 MB in the end (delta: 34.6 MB). Free memory was 141.8 MB in the beginning and 117.5 MB in the end (delta: 24.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 121.81 ms. Allocated memory is still 204.5 MB. Free memory was 117.5 MB in the beginning and 114.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory is still 204.5 MB. Free memory was 114.4 MB in the beginning and 112.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 702.29 ms. Allocated memory is still 204.5 MB. Free memory was 112.3 MB in the beginning and 148.1 MB in the end (delta: -35.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7702.89 ms. Allocated memory was 204.5 MB in the beginning and 300.9 MB in the end (delta: 96.5 MB). Free memory was 147.6 MB in the beginning and 245.4 MB in the end (delta: -97.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 75.16 ms. Allocated memory is still 300.9 MB. Free memory was 245.4 MB in the beginning and 242.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 284 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.1s, 90 PlacesBefore, 16 PlacesAfterwards, 92 TransitionsBefore, 14 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 7 FixpointIterations, 68 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 113 TotalNumberOfCompositions, 378 MoverChecksTotal - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.1s, HoareTripleCheckerStatistics: 9 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=21occurred 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, 0.0s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...