./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-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-loop-bound-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 18f8c11d6085f6594f0f2021411e68b8ac706f42 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:51:10,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:51:10,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:51:10,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:51:10,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:51:10,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:51:10,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:51:10,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:51:10,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:51:10,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:51:10,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:51:10,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:51:10,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:51:10,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:51:10,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:51:10,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:51:10,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:51:10,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:51:10,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:51:10,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:51:10,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:51:10,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:51:10,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:51:10,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:51:10,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:51:10,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:51:10,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:51:10,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:51:10,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:51:10,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:51:10,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:51:10,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:51:10,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:51:10,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:51:10,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:51:10,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:51:10,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:51:10,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:51:10,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:51:10,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:51:10,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:51:10,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 13:51:10,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:51:10,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:51:10,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:51:10,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:51:10,747 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:51:10,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:51:10,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 13:51:10,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:51:10,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 13:51:10,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:51:10,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 13:51:10,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:51:10,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 13:51:10,750 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:51:10,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 13:51:10,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 13:51:10,751 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:51:10,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 13:51:10,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:51:10,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:51:10,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:51:10,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:51:10,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:51:10,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:51:10,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:51:10,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 13:51:10,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:51:10,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:51:10,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 13:51:10,757 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 -> 18f8c11d6085f6594f0f2021411e68b8ac706f42 [2019-11-25 13:51:11,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:51:11,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:51:11,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:51:11,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:51:11,090 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:51:11,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 13:51:11,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2adb2a5/e8031340fff34ce1b703829e0fe90e99/FLAG0b6c01260 [2019-11-25 13:51:11,659 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:51:11,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-1.i [2019-11-25 13:51:11,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2adb2a5/e8031340fff34ce1b703829e0fe90e99/FLAG0b6c01260 [2019-11-25 13:51:12,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd2adb2a5/e8031340fff34ce1b703829e0fe90e99 [2019-11-25 13:51:12,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:51:12,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 13:51:12,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:51:12,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:51:12,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:51:12,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af752d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12, skipping insertion in model container [2019-11-25 13:51:12,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:51:12,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:51:12,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:51:12,472 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:51:12,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:51:12,603 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:51:12,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12 WrapperNode [2019-11-25 13:51:12,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:51:12,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 13:51:12,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 13:51:12,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 13:51:12,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 13:51:12,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:51:12,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:51:12,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:51:12,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (1/1) ... [2019-11-25 13:51:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:51:12,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:51:12,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:51:12,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:51:12,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (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 13:51:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-25 13:51:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-25 13:51:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-25 13:51:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-25 13:51:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 13:51:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:51:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:51:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:51:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:51:12,791 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 13:51:13,180 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:51:13,181 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 13:51:13,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:13 BoogieIcfgContainer [2019-11-25 13:51:13,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:51:13,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:51:13,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:51:13,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:51:13,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:51:12" (1/3) ... [2019-11-25 13:51:13,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c7795b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:51:13, skipping insertion in model container [2019-11-25 13:51:13,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:51:12" (2/3) ... [2019-11-25 13:51:13,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c7795b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:51:13, skipping insertion in model container [2019-11-25 13:51:13,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:13" (3/3) ... [2019-11-25 13:51:13,190 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-1.i [2019-11-25 13:51:13,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 13:51:13,201 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:51:13,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 13:51:13,265 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,265 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,266 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,266 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,267 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,267 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,267 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,268 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,268 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,268 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,269 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,272 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,273 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,273 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,274 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,274 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,274 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,275 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,276 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,277 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,277 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,277 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,278 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,279 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,279 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,279 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,279 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,280 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,280 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,281 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,282 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,282 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,282 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,283 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,285 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,285 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,287 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 13:51:13,314 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-25 13:51:13,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:51:13,334 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 13:51:13,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:51:13,334 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:51:13,334 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:51:13,334 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:51:13,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:51:13,335 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:51:13,346 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 85 transitions [2019-11-25 13:51:18,094 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36910 states. [2019-11-25 13:51:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 36910 states. [2019-11-25 13:51:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 13:51:18,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:18,107 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] [2019-11-25 13:51:18,107 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:18,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:18,113 INFO L82 PathProgramCache]: Analyzing trace with hash 872154738, now seen corresponding path program 1 times [2019-11-25 13:51:18,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:18,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106743809] [2019-11-25 13:51:18,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:18,474 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 13:51:18,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106743809] [2019-11-25 13:51:18,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:18,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 13:51:18,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119668035] [2019-11-25 13:51:18,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:51:18,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:18,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:51:18,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:51:18,495 INFO L87 Difference]: Start difference. First operand 36910 states. Second operand 6 states. [2019-11-25 13:51:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:19,594 INFO L93 Difference]: Finished difference Result 48046 states and 195962 transitions. [2019-11-25 13:51:19,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:51:19,597 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2019-11-25 13:51:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:19,957 INFO L225 Difference]: With dead ends: 48046 [2019-11-25 13:51:19,958 INFO L226 Difference]: Without dead ends: 34886 [2019-11-25 13:51:19,966 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 13:51:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34886 states. [2019-11-25 13:51:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34886 to 32146. [2019-11-25 13:51:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32146 states. [2019-11-25 13:51:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32146 states to 32146 states and 131030 transitions. [2019-11-25 13:51:21,989 INFO L78 Accepts]: Start accepts. Automaton has 32146 states and 131030 transitions. Word has length 25 [2019-11-25 13:51:21,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:21,990 INFO L462 AbstractCegarLoop]: Abstraction has 32146 states and 131030 transitions. [2019-11-25 13:51:21,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:51:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32146 states and 131030 transitions. [2019-11-25 13:51:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 13:51:21,995 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:21,995 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, 1, 1, 1, 1, 1] [2019-11-25 13:51:21,996 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:21,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:21,997 INFO L82 PathProgramCache]: Analyzing trace with hash -867676219, now seen corresponding path program 1 times [2019-11-25 13:51:21,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:21,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417018462] [2019-11-25 13:51:21,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:22,175 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 13:51:22,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417018462] [2019-11-25 13:51:22,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:22,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 13:51:22,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597877863] [2019-11-25 13:51:22,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 13:51:22,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:22,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 13:51:22,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:51:22,180 INFO L87 Difference]: Start difference. First operand 32146 states and 131030 transitions. Second operand 8 states. [2019-11-25 13:51:23,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:23,165 INFO L93 Difference]: Finished difference Result 55450 states and 215966 transitions. [2019-11-25 13:51:23,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:51:23,166 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-25 13:51:23,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:23,450 INFO L225 Difference]: With dead ends: 55450 [2019-11-25 13:51:23,451 INFO L226 Difference]: Without dead ends: 52042 [2019-11-25 13:51:23,452 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-11-25 13:51:23,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52042 states. [2019-11-25 13:51:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52042 to 30648. [2019-11-25 13:51:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30648 states. [2019-11-25 13:51:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30648 states to 30648 states and 124237 transitions. [2019-11-25 13:51:25,616 INFO L78 Accepts]: Start accepts. Automaton has 30648 states and 124237 transitions. Word has length 34 [2019-11-25 13:51:25,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:25,617 INFO L462 AbstractCegarLoop]: Abstraction has 30648 states and 124237 transitions. [2019-11-25 13:51:25,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 13:51:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30648 states and 124237 transitions. [2019-11-25 13:51:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-25 13:51:25,626 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:25,627 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:51:25,627 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:25,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:25,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1426113114, now seen corresponding path program 1 times [2019-11-25 13:51:25,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:25,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500087059] [2019-11-25 13:51:25,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 13:51:25,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500087059] [2019-11-25 13:51:25,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:25,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-25 13:51:25,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503548990] [2019-11-25 13:51:25,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-25 13:51:25,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:25,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-25 13:51:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:51:25,783 INFO L87 Difference]: Start difference. First operand 30648 states and 124237 transitions. Second operand 8 states. [2019-11-25 13:51:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:26,479 INFO L93 Difference]: Finished difference Result 55918 states and 216366 transitions. [2019-11-25 13:51:26,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:51:26,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2019-11-25 13:51:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:26,803 INFO L225 Difference]: With dead ends: 55918 [2019-11-25 13:51:26,804 INFO L226 Difference]: Without dead ends: 52446 [2019-11-25 13:51:26,804 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2019-11-25 13:51:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52446 states. [2019-11-25 13:51:28,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52446 to 28812. [2019-11-25 13:51:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28812 states. [2019-11-25 13:51:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28812 states to 28812 states and 115895 transitions. [2019-11-25 13:51:28,594 INFO L78 Accepts]: Start accepts. Automaton has 28812 states and 115895 transitions. Word has length 41 [2019-11-25 13:51:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:28,595 INFO L462 AbstractCegarLoop]: Abstraction has 28812 states and 115895 transitions. [2019-11-25 13:51:28,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-25 13:51:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28812 states and 115895 transitions. [2019-11-25 13:51:28,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:51:28,606 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:28,606 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:51:28,607 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:28,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:28,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1393609954, now seen corresponding path program 1 times [2019-11-25 13:51:28,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:28,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511689104] [2019-11-25 13:51:28,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:51:28,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511689104] [2019-11-25 13:51:28,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439913720] [2019-11-25 13:51:28,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 13:51:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:28,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 13:51:28,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:51:29,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:51:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:51:29,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:51:29,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2019-11-25 13:51:29,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056514357] [2019-11-25 13:51:29,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:51:29,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:29,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:51:29,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2019-11-25 13:51:29,197 INFO L87 Difference]: Start difference. First operand 28812 states and 115895 transitions. Second operand 18 states. [2019-11-25 13:51:31,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:31,174 INFO L93 Difference]: Finished difference Result 60118 states and 228798 transitions. [2019-11-25 13:51:31,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 13:51:31,174 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-11-25 13:51:31,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:31,464 INFO L225 Difference]: With dead ends: 60118 [2019-11-25 13:51:31,465 INFO L226 Difference]: Without dead ends: 58630 [2019-11-25 13:51:31,466 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=720, Invalid=2586, Unknown=0, NotChecked=0, Total=3306 [2019-11-25 13:51:31,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58630 states. [2019-11-25 13:51:33,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58630 to 28160. [2019-11-25 13:51:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28160 states. [2019-11-25 13:51:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28160 states to 28160 states and 113373 transitions. [2019-11-25 13:51:33,453 INFO L78 Accepts]: Start accepts. Automaton has 28160 states and 113373 transitions. Word has length 45 [2019-11-25 13:51:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:33,453 INFO L462 AbstractCegarLoop]: Abstraction has 28160 states and 113373 transitions. [2019-11-25 13:51:33,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:51:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 28160 states and 113373 transitions. [2019-11-25 13:51:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:51:33,464 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:33,465 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:51:33,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 13:51:33,669 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:33,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:33,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1814608442, now seen corresponding path program 2 times [2019-11-25 13:51:33,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:33,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665614992] [2019-11-25 13:51:33,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:51:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-25 13:51:33,824 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665614992] [2019-11-25 13:51:33,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:51:33,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-25 13:51:33,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368067948] [2019-11-25 13:51:33,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 13:51:33,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 13:51:33,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 13:51:33,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-25 13:51:33,826 INFO L87 Difference]: Start difference. First operand 28160 states and 113373 transitions. Second operand 10 states. [2019-11-25 13:51:35,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:51:35,071 INFO L93 Difference]: Finished difference Result 59086 states and 224854 transitions. [2019-11-25 13:51:35,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-11-25 13:51:35,072 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2019-11-25 13:51:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:51:35,237 INFO L225 Difference]: With dead ends: 59086 [2019-11-25 13:51:35,238 INFO L226 Difference]: Without dead ends: 57454 [2019-11-25 13:51:35,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2019-11-25 13:51:35,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57454 states. [2019-11-25 13:51:39,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57454 to 25152. [2019-11-25 13:51:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25152 states. [2019-11-25 13:51:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25152 states to 25152 states and 102287 transitions. [2019-11-25 13:51:39,084 INFO L78 Accepts]: Start accepts. Automaton has 25152 states and 102287 transitions. Word has length 45 [2019-11-25 13:51:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:51:39,084 INFO L462 AbstractCegarLoop]: Abstraction has 25152 states and 102287 transitions. [2019-11-25 13:51:39,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 13:51:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 25152 states and 102287 transitions. [2019-11-25 13:51:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-25 13:51:39,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:51:39,092 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, 1, 1, 1] [2019-11-25 13:51:39,092 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 13:51:39,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:51:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1489331375, now seen corresponding path program 1 times [2019-11-25 13:51:39,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 13:51:39,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467584028] [2019-11-25 13:51:39,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 13:51:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:51:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 13:51:39,191 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 13:51:39,191 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 13:51:39,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c7795b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 01:51:39, skipping insertion in model container [2019-11-25 13:51:39,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 13:51:39,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 13:51:39,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 13:51:39,197 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 13:51:39,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:51:13" (3/3) ... [2019-11-25 13:51:39,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 13:51:39,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2019-11-25 13:51:39,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2019-11-25 13:51:39,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 13:51:39,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 13:51:39,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 13:51:39,258 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-25 13:51:39,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 13:51:39,261 INFO L168 Benchmark]: Toolchain (without parser) took 27253.38 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 955.0 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 465.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,262 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:51:39,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,263 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,264 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,265 INFO L168 Benchmark]: RCFGBuilder took 487.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,265 INFO L168 Benchmark]: TraceAbstraction took 26012.44 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 460.4 MB. Max. memory is 11.5 GB. [2019-11-25 13:51:39,266 INFO L168 Benchmark]: Witness Printer took 62.12 ms. Allocated memory is still 3.7 GB. Free memory is still 3.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:51:39,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26012.44 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 460.4 MB. Max. memory is 11.5 GB. * Witness Printer took 62.12 ms. Allocated memory is still 3.7 GB. Free memory is still 3.2 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 3 procedures, 51 locations, 1 error locations. No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...