./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-array-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7c71bc25 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-32bit-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 32bit --witnessprinter.graph.data.programhash bd7f48506d18b6e9cdd68178e930b6c5cab4d379 .................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-7c71bc2 [2019-11-25 13:51:02,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:51:02,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:51:02,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:51:02,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:51:02,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:51:02,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:51:02,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:51:02,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:51:02,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:51:02,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:51:02,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:51:02,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:51:02,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:51:02,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:51:02,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:51:02,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:51:02,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:51:02,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:51:02,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:51:02,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:51:02,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:51:02,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:51:02,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:51:02,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:51:02,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:51:02,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:51:02,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:51:02,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:51:02,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:51:02,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:51:02,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:51:02,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:51:02,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:51:02,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:51:02,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:51:02,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:51:02,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:51:02,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:51:02,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:51:02,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:51:02,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 13:51:02,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:51:02,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:51:02,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:51:02,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:51:02,742 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:51:02,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:51:02,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 13:51:02,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:51:02,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 13:51:02,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:51:02,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 13:51:02,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:51:02,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 13:51:02,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:51:02,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 13:51:02,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 13:51:02,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:51:02,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 13:51:02,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:51:02,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:51:02,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:51:02,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:51:02,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:51:02,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:51:02,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:51:02,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 13:51:02,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:51:02,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:51:02,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 13:51:02,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f48506d18b6e9cdd68178e930b6c5cab4d379 [2019-11-25 13:51:03,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:51:03,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:51:03,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:51:03,111 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:51:03,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:51:03,112 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-25 13:51:03,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a55b8f1/a06d5ff82a36467abc5489fc2d2e6dd8/FLAG3d17bd075 [2019-11-25 13:51:03,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:51:03,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-array-1.i [2019-11-25 13:51:03,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a55b8f1/a06d5ff82a36467abc5489fc2d2e6dd8/FLAG3d17bd075 [2019-11-25 13:51:03,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65a55b8f1/a06d5ff82a36467abc5489fc2d2e6dd8 [2019-11-25 13:51:04,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:51:04,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 13:51:04,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:51:04,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:51:04,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:51:04,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:51:03" (1/1) ... [2019-11-25 13:51:04,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a770ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04, skipping insertion in model container [2019-11-25 13:51:04,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:51:03" (1/1) ... [2019-11-25 13:51:04,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:51:04,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:51:04,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:51:04,611 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:51:04,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:51:04,729 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:51:04,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04 WrapperNode [2019-11-25 13:51:04,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:51:04,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 13:51:04,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 13:51:04,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 13:51:04,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 13:51:04,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:51:04,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:51:04,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:51:04,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (1/1) ... [2019-11-25 13:51:04,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:51:04,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:51:04,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:51:04,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:51:04,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (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 13:51:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-25 13:51:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 13:51:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 13:51:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-11-25 13:51:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-11-25 13:51:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:51:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:51:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:51:04,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:51:04,914 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 13:51:05,289 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:51:05,289 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-25 13:51:05,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:05 BoogieIcfgContainer [2019-11-25 13:51:05,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:51:05,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:51:05,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:51:05,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:51:05,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:51:03" (1/3) ... [2019-11-25 13:51:05,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:51:05, skipping insertion in model container [2019-11-25 13:51:05,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:04" (2/3) ... [2019-11-25 13:51:05,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:51:05, skipping insertion in model container [2019-11-25 13:51:05,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:05" (3/3) ... [2019-11-25 13:51:05,298 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-array-1.i [2019-11-25 13:51:05,309 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 13:51:05,310 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:51:05,316 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 13:51:05,346 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,346 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,347 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,347 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,348 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,348 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,348 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,349 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,349 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,349 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,350 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,350 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,350 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,351 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,351 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,352 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,352 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,352 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,353 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,353 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,353 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:05,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-25 13:51:05,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:51:05,412 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 13:51:05,412 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:51:05,412 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:51:05,412 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:51:05,413 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:51:05,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:51:05,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:51:05,424 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 80 transitions [2019-11-25 13:51:06,396 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11042 states. [2019-11-25 13:51:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states. [2019-11-25 13:51:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 13:51:06,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:06,413 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 13:51:06,414 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:06,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:06,421 INFO L82 PathProgramCache]: Analyzing trace with hash 197122563, now seen corresponding path program 1 times [2019-11-25 13:51:06,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:06,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108624088] [2019-11-25 13:51:06,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:06,713 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 13:51:06,715 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108624088] [2019-11-25 13:51:06,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:06,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 13:51:06,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972716151] [2019-11-25 13:51:06,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 13:51:06,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:06,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 13:51:06,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 13:51:06,743 INFO L87 Difference]: Start difference. First operand 11042 states. Second operand 2 states. [2019-11-25 13:51:06,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:06,955 INFO L93 Difference]: Finished difference Result 11042 states and 35032 transitions. [2019-11-25 13:51:06,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 13:51:06,957 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-11-25 13:51:06,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:07,073 INFO L225 Difference]: With dead ends: 11042 [2019-11-25 13:51:07,073 INFO L226 Difference]: Without dead ends: 8982 [2019-11-25 13:51:07,075 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 13:51:07,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8982 states. [2019-11-25 13:51:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8982 to 8982. [2019-11-25 13:51:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8982 states. [2019-11-25 13:51:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8982 states to 8982 states and 28562 transitions. [2019-11-25 13:51:07,597 INFO L78 Accepts]: Start accepts. Automaton has 8982 states and 28562 transitions. Word has length 29 [2019-11-25 13:51:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:07,599 INFO L462 AbstractCegarLoop]: Abstraction has 8982 states and 28562 transitions. [2019-11-25 13:51:07,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 13:51:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8982 states and 28562 transitions. [2019-11-25 13:51:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 13:51:07,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:07,602 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 13:51:07,603 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:07,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:07,603 INFO L82 PathProgramCache]: Analyzing trace with hash 916313188, now seen corresponding path program 1 times [2019-11-25 13:51:07,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:07,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535995007] [2019-11-25 13:51:07,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:07,796 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 13:51:07,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535995007] [2019-11-25 13:51:07,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:07,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 13:51:07,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909498535] [2019-11-25 13:51:07,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 13:51:07,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:07,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 13:51:07,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 13:51:07,804 INFO L87 Difference]: Start difference. First operand 8982 states and 28562 transitions. Second operand 4 states. [2019-11-25 13:51:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:08,008 INFO L93 Difference]: Finished difference Result 6668 states and 19297 transitions. [2019-11-25 13:51:08,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 13:51:08,009 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-25 13:51:08,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:08,074 INFO L225 Difference]: With dead ends: 6668 [2019-11-25 13:51:08,075 INFO L226 Difference]: Without dead ends: 6668 [2019-11-25 13:51:08,076 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 13:51:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2019-11-25 13:51:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 5910. [2019-11-25 13:51:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5910 states. [2019-11-25 13:51:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5910 states to 5910 states and 17433 transitions. [2019-11-25 13:51:08,299 INFO L78 Accepts]: Start accepts. Automaton has 5910 states and 17433 transitions. Word has length 29 [2019-11-25 13:51:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:08,300 INFO L462 AbstractCegarLoop]: Abstraction has 5910 states and 17433 transitions. [2019-11-25 13:51:08,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 13:51:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5910 states and 17433 transitions. [2019-11-25 13:51:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-25 13:51:08,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:08,312 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 13:51:08,313 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:08,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:08,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1606046331, now seen corresponding path program 1 times [2019-11-25 13:51:08,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:08,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955991647] [2019-11-25 13:51:08,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:51:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:51:08,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 13:51:08,447 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 13:51:08,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ca67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 01:51:08, skipping insertion in model container [2019-11-25 13:51:08,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 13:51:08,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 13:51:08,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 13:51:08,452 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 13:51:08,452 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:05" (3/3) ... [2019-11-25 13:51:08,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 13:51:08,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr [2019-11-25 13:51:08,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 13:51:08,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 13:51:08,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 13:51:08,531 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 13:51:08,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 13:51:08,534 INFO L168 Benchmark]: Toolchain (without parser) took 4531.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -70.2 MB). Peak memory consumption was 172.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:08,535 INFO L168 Benchmark]: CDTParser took 0.92 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 13:51:08,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:08,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:51:08,537 INFO L168 Benchmark]: Boogie Preprocessor took 57.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:08,538 INFO L168 Benchmark]: RCFGBuilder took 443.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:08,538 INFO L168 Benchmark]: TraceAbstraction took 3159.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 996.4 MB in the beginning and 1.0 GB in the end (delta: -31.5 MB). Peak memory consumption was 145.7 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:08,539 INFO L168 Benchmark]: Witness Printer took 80.72 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 13:51:08,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 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 727.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 443.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3159.55 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 996.4 MB in the beginning and 1.0 GB in the end (delta: -31.5 MB). Peak memory consumption was 145.7 MB. Max. memory is 11.5 GB. * Witness Printer took 80.72 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...