./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-array-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6692e4fc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-nondet/nondet-array-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bd7f48506d18b6e9cdd68178e930b6c5cab4d379 ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:09:59,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:09:59,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:09:59,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:09:59,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:09:59,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:09:59,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:09:59,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:09:59,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:09:59,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:09:59,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:09:59,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:09:59,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:09:59,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:09:59,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:09:59,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:09:59,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:09:59,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:09:59,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:09:59,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:09:59,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:09:59,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:09:59,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:09:59,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:09:59,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:09:59,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:09:59,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:09:59,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:09:59,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:09:59,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:09:59,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:09:59,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:09:59,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:09:59,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:09:59,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:09:59,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:09:59,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:09:59,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:09:59,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:09:59,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:09:59,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:09:59,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-25 17:09:59,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:09:59,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:09:59,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:09:59,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:09:59,184 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:09:59,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:09:59,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:09:59,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:09:59,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 17:09:59,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:09:59,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 17:09:59,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 17:09:59,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:09:59,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 17:09:59,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:09:59,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:09:59,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:09:59,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:09:59,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:09:59,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:09:59,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:09:59,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 17:09:59,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:09:59,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:09:59,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 17:09:59,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:09:59,195 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-11-25 17:09:59,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:09:59,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:09:59,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:09:59,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:09:59,503 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:09:59,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-25 17:09:59,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423ebe8ae/9b07bd6db05d48e9914a3c7e6ee01920/FLAGdcf61d070 [2019-11-25 17:10:00,054 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:10:00,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-25 17:10:00,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423ebe8ae/9b07bd6db05d48e9914a3c7e6ee01920/FLAGdcf61d070 [2019-11-25 17:10:00,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423ebe8ae/9b07bd6db05d48e9914a3c7e6ee01920 [2019-11-25 17:10:00,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:10:00,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 17:10:00,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:10:00,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:10:00,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:10:00,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:00" (1/1) ... [2019-11-25 17:10:00,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5438bd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:00, skipping insertion in model container [2019-11-25 17:10:00,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:00" (1/1) ... [2019-11-25 17:10:00,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:10:00,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:10:00,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:10:00,906 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:10:00,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:10:01,054 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:10:01,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01 WrapperNode [2019-11-25 17:10:01,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:10:01,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 17:10:01,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 17:10:01,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 17:10:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 17:10:01,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:10:01,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:10:01,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:10:01,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (1/1) ... [2019-11-25 17:10:01,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:10:01,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:10:01,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:10:01,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:10:01,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (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 [2019-11-25 17:10:01,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-25 17:10:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 17:10:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 17:10:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-11-25 17:10:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-11-25 17:10:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:10:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:10:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:10:01,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:10:01,214 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 17:10:01,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:10:01,569 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 17:10:01,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:01 BoogieIcfgContainer [2019-11-25 17:10:01,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:10:01,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:10:01,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:10:01,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:10:01,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:10:00" (1/3) ... [2019-11-25 17:10:01,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21de53fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:01, skipping insertion in model container [2019-11-25 17:10:01,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:01" (2/3) ... [2019-11-25 17:10:01,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21de53fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:01, skipping insertion in model container [2019-11-25 17:10:01,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:01" (3/3) ... [2019-11-25 17:10:01,579 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2019-11-25 17:10:01,588 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 17:10:01,589 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:10:01,596 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 17:10:01,631 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,631 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,631 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,632 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,632 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,635 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,635 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,636 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,636 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,636 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,637 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,638 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,638 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,638 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,639 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,639 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,639 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,641 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,641 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,641 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,642 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 17:10:01,691 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-25 17:10:01,710 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:10:01,710 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 17:10:01,711 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:10:01,711 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:10:01,711 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:10:01,711 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:10:01,711 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:10:01,712 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:10:01,721 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 80 transitions [2019-11-25 17:10:02,607 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11042 states. [2019-11-25 17:10:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states. [2019-11-25 17:10:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 17:10:02,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:10:02,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:10:02,630 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:10:02,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:10:02,639 INFO L82 PathProgramCache]: Analyzing trace with hash 197122563, now seen corresponding path program 1 times [2019-11-25 17:10:02,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:10:02,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169362829] [2019-11-25 17:10:02,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:10:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:10:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:10:02,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169362829] [2019-11-25 17:10:02,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:10:02,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 17:10:02,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441731117] [2019-11-25 17:10:02,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 17:10:02,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:10:02,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 17:10:02,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 17:10:02,977 INFO L87 Difference]: Start difference. First operand 11042 states. Second operand 2 states. [2019-11-25 17:10:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:10:03,147 INFO L93 Difference]: Finished difference Result 11042 states and 35032 transitions. [2019-11-25 17:10:03,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 17:10:03,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-11-25 17:10:03,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:10:03,241 INFO L225 Difference]: With dead ends: 11042 [2019-11-25 17:10:03,241 INFO L226 Difference]: Without dead ends: 8982 [2019-11-25 17:10:03,243 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 17:10:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2019-11-25 17:10:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8982. [2019-11-25 17:10:03,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8982 states. [2019-11-25 17:10:03,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8982 states to 8982 states and 28562 transitions. [2019-11-25 17:10:03,773 INFO L78 Accepts]: Start accepts. Automaton has 8982 states and 28562 transitions. Word has length 29 [2019-11-25 17:10:03,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:10:03,774 INFO L462 AbstractCegarLoop]: Abstraction has 8982 states and 28562 transitions. [2019-11-25 17:10:03,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 17:10:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 8982 states and 28562 transitions. [2019-11-25 17:10:03,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 17:10:03,776 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:10:03,776 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:10:03,776 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:10:03,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:10:03,777 INFO L82 PathProgramCache]: Analyzing trace with hash 916313188, now seen corresponding path program 1 times [2019-11-25 17:10:03,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:10:03,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854375727] [2019-11-25 17:10:03,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:10:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:10:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:10:03,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854375727] [2019-11-25 17:10:03,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:10:03,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 17:10:03,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358539992] [2019-11-25 17:10:03,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 17:10:03,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 17:10:03,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 17:10:03,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 17:10:03,877 INFO L87 Difference]: Start difference. First operand 8982 states and 28562 transitions. Second operand 4 states. [2019-11-25 17:10:04,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:10:04,055 INFO L93 Difference]: Finished difference Result 6668 states and 19297 transitions. [2019-11-25 17:10:04,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 17:10:04,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-25 17:10:04,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:10:04,098 INFO L225 Difference]: With dead ends: 6668 [2019-11-25 17:10:04,098 INFO L226 Difference]: Without dead ends: 6668 [2019-11-25 17:10:04,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 17:10:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2019-11-25 17:10:04,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 5910. [2019-11-25 17:10:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5910 states. [2019-11-25 17:10:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 17433 transitions. [2019-11-25 17:10:04,308 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 17433 transitions. Word has length 29 [2019-11-25 17:10:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:10:04,308 INFO L462 AbstractCegarLoop]: Abstraction has 5910 states and 17433 transitions. [2019-11-25 17:10:04,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 17:10:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 17433 transitions. [2019-11-25 17:10:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-25 17:10:04,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:10:04,321 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:10:04,321 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 17:10:04,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:10:04,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1606046331, now seen corresponding path program 1 times [2019-11-25 17:10:04,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 17:10:04,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587884202] [2019-11-25 17:10:04,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 17:10:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:10:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:10:04,483 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 17:10:04,484 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 17:10:04,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21de53fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:10:04, skipping insertion in model container [2019-11-25 17:10:04,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 17:10:04,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 17:10:04,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 17:10:04,488 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 17:10:04,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:01" (3/3) ... [2019-11-25 17:10:04,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 17:10:04,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr [2019-11-25 17:10:04,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 17:10:04,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 17:10:04,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 17:10:04,582 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 17:10:04,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 17:10:04,585 INFO L168 Benchmark]: Toolchain (without parser) took 4184.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 272.1 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 187.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:10:04,586 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:10:04,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 17:10:04,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-25 17:10:04,588 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:10:04,590 INFO L168 Benchmark]: RCFGBuilder took 417.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-25 17:10:04,591 INFO L168 Benchmark]: TraceAbstraction took 2915.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 164.9 MB. Max. memory is 11.5 GB. [2019-11-25 17:10:04,591 INFO L168 Benchmark]: Witness Printer took 94.91 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:10:04,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 417.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2915.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.5 MB). Peak memory consumption was 164.9 MB. Max. memory is 11.5 GB. * Witness Printer took 94.91 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - GenericResult: unable to analyze concurrent program unable to analyze - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...