./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.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 924c2c8b252a881a87d805302d80fec6ce140fd5 ........................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 924c2c8b252a881a87d805302d80fec6ce140fd5 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 01:04:43,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 01:04:43,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 01:04:43,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 01:04:43,180 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 01:04:43,181 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 01:04:43,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 01:04:43,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 01:04:43,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 01:04:43,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 01:04:43,188 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 01:04:43,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 01:04:43,189 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 01:04:43,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 01:04:43,192 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 01:04:43,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 01:04:43,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 01:04:43,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 01:04:43,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 01:04:43,199 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 01:04:43,200 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 01:04:43,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 01:04:43,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 01:04:43,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 01:04:43,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 01:04:43,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 01:04:43,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 01:04:43,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 01:04:43,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 01:04:43,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 01:04:43,211 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 01:04:43,211 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 01:04:43,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 01:04:43,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 01:04:43,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 01:04:43,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 01:04:43,214 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-01 01:04:43,234 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 01:04:43,234 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 01:04:43,235 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 01:04:43,236 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 01:04:43,236 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 01:04:43,236 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 01:04:43,236 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 01:04:43,236 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 01:04:43,236 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 01:04:43,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 01:04:43,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 01:04:43,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 01:04:43,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 01:04:43,238 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 01:04:43,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 01:04:43,238 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 01:04:43,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 01:04:43,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 01:04:43,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 01:04:43,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 01:04:43,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 01:04:43,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 01:04:43,239 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 01:04:43,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 01:04:43,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 01:04:43,241 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 01:04:43,241 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 01:04:43,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 01:04:43,242 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2019-01-01 01:04:43,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 01:04:43,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 01:04:43,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 01:04:43,308 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 01:04:43,308 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 01:04:43,309 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:43,379 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2276ea7a5/267d7d0470174a96bc2dbb57afe5eed9/FLAG61c36d3d5 [2019-01-01 01:04:43,847 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 01:04:43,850 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:43,869 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2276ea7a5/267d7d0470174a96bc2dbb57afe5eed9/FLAG61c36d3d5 [2019-01-01 01:04:44,146 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2276ea7a5/267d7d0470174a96bc2dbb57afe5eed9 [2019-01-01 01:04:44,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 01:04:44,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 01:04:44,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 01:04:44,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 01:04:44,159 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 01:04:44,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:44,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68686ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44, skipping insertion in model container [2019-01-01 01:04:44,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:44,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 01:04:44,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 01:04:44,697 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 01:04:44,724 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 01:04:44,858 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 01:04:44,940 INFO L195 MainTranslator]: Completed translation [2019-01-01 01:04:44,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44 WrapperNode [2019-01-01 01:04:44,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 01:04:44,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 01:04:44,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 01:04:44,942 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 01:04:44,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:44,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:44,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 01:04:45,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 01:04:45,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 01:04:45,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 01:04:45,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (1/1) ... [2019-01-01 01:04:45,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 01:04:45,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 01:04:45,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 01:04:45,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 01:04:45,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (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 [2019-01-01 01:04:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-01-01 01:04:45,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-01-01 01:04:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-01 01:04:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-01 01:04:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 01:04:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-01-01 01:04:45,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 01:04:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 01:04:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 01:04:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 01:04:45,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 01:04:45,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 01:04:45,107 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-01 01:04:45,692 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 01:04:45,692 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 01:04:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 01:04:45 BoogieIcfgContainer [2019-01-01 01:04:45,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 01:04:45,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 01:04:45,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 01:04:45,697 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 01:04:45,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 01:04:44" (1/3) ... [2019-01-01 01:04:45,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ea461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 01:04:45, skipping insertion in model container [2019-01-01 01:04:45,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:44" (2/3) ... [2019-01-01 01:04:45,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ea461a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 01:04:45, skipping insertion in model container [2019-01-01 01:04:45,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 01:04:45" (3/3) ... [2019-01-01 01:04:45,701 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:45,735 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,736 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,736 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,736 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,736 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,737 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,737 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,738 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,738 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,738 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,738 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,739 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,739 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,739 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,739 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,740 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,740 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,740 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,740 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,741 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,741 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,741 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,741 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,741 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,742 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:45,774 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 01:04:45,774 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 01:04:45,782 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-01 01:04:45,800 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-01 01:04:45,826 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 01:04:45,827 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 01:04:45,827 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 01:04:45,827 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 01:04:45,828 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 01:04:45,828 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 01:04:45,828 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 01:04:45,828 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 01:04:45,828 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 01:04:45,837 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2019-01-01 01:04:45,865 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-01 01:04:45,871 INFO L168 Benchmark]: Toolchain (without parser) took 1719.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -98.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:45,876 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 01:04:45,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:45,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 01:04:45,880 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:45,882 INFO L168 Benchmark]: RCFGBuilder took 645.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:45,883 INFO L168 Benchmark]: TraceAbstraction took 176.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:45,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 787.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 645.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 176.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2019-01-01 01:04:48,140 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 01:04:48,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 01:04:48,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 01:04:48,156 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 01:04:48,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 01:04:48,158 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 01:04:48,159 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 01:04:48,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 01:04:48,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 01:04:48,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 01:04:48,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 01:04:48,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 01:04:48,165 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 01:04:48,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 01:04:48,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 01:04:48,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 01:04:48,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 01:04:48,171 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 01:04:48,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 01:04:48,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 01:04:48,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 01:04:48,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 01:04:48,177 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 01:04:48,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 01:04:48,179 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 01:04:48,180 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 01:04:48,180 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 01:04:48,181 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 01:04:48,182 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 01:04:48,183 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 01:04:48,183 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 01:04:48,184 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 01:04:48,184 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 01:04:48,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 01:04:48,186 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 01:04:48,186 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-01 01:04:48,203 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 01:04:48,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 01:04:48,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 01:04:48,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 01:04:48,205 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 01:04:48,206 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 01:04:48,206 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 01:04:48,206 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 01:04:48,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 01:04:48,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 01:04:48,207 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 01:04:48,207 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 01:04:48,207 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-01 01:04:48,207 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-01 01:04:48,207 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 01:04:48,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 01:04:48,209 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 01:04:48,210 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 01:04:48,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 01:04:48,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 01:04:48,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 01:04:48,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 01:04:48,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 01:04:48,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 01:04:48,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 01:04:48,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 01:04:48,214 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-01 01:04:48,214 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 01:04:48,214 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-01 01:04:48,214 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-01 01:04:48,214 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 924c2c8b252a881a87d805302d80fec6ce140fd5 [2019-01-01 01:04:48,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 01:04:48,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 01:04:48,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 01:04:48,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 01:04:48,287 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 01:04:48,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:48,355 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ed0e6bd/b33e4b9795c94499bc4000d7baf0a92e/FLAG5c6adcc50 [2019-01-01 01:04:48,923 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 01:04:48,923 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-nondet/nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:48,939 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ed0e6bd/b33e4b9795c94499bc4000d7baf0a92e/FLAG5c6adcc50 [2019-01-01 01:04:49,197 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73ed0e6bd/b33e4b9795c94499bc4000d7baf0a92e [2019-01-01 01:04:49,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 01:04:49,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 01:04:49,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 01:04:49,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 01:04:49,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 01:04:49,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 01:04:49" (1/1) ... [2019-01-01 01:04:49,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694ea96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:49, skipping insertion in model container [2019-01-01 01:04:49,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 01:04:49" (1/1) ... [2019-01-01 01:04:49,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 01:04:49,299 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 01:04:49,842 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 01:04:49,871 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 01:04:49,999 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 01:04:50,094 INFO L195 MainTranslator]: Completed translation [2019-01-01 01:04:50,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50 WrapperNode [2019-01-01 01:04:50,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 01:04:50,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 01:04:50,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 01:04:50,096 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 01:04:50,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 01:04:50,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 01:04:50,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 01:04:50,160 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 01:04:50,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (1/1) ... [2019-01-01 01:04:50,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 01:04:50,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 01:04:50,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 01:04:50,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 01:04:50,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (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 [2019-01-01 01:04:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-01-01 01:04:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-01-01 01:04:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-01 01:04:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-01 01:04:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-01-01 01:04:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 01:04:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 01:04:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-01 01:04:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 01:04:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2019-01-01 01:04:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-01-01 01:04:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 01:04:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 01:04:50,308 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-01 01:04:50,968 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 01:04:50,968 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 01:04:50,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 01:04:50 BoogieIcfgContainer [2019-01-01 01:04:50,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 01:04:50,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 01:04:50,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 01:04:50,974 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 01:04:50,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 01:04:49" (1/3) ... [2019-01-01 01:04:50,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6ee373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 01:04:50, skipping insertion in model container [2019-01-01 01:04:50,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 01:04:50" (2/3) ... [2019-01-01 01:04:50,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6ee373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 01:04:50, skipping insertion in model container [2019-01-01 01:04:50,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 01:04:50" (3/3) ... [2019-01-01 01:04:50,979 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant_false-unreach-call.i [2019-01-01 01:04:51,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,017 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,018 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,023 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,023 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,023 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,023 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,025 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,025 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,025 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,025 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,026 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,027 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-01 01:04:51,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-01 01:04:51,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 01:04:51,071 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-01 01:04:51,092 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-01 01:04:51,122 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 01:04:51,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 01:04:51,123 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 01:04:51,123 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 01:04:51,123 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 01:04:51,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 01:04:51,124 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 01:04:51,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 01:04:51,125 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 01:04:51,137 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65places, 66 transitions [2019-01-01 01:04:51,171 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-01 01:04:51,180 INFO L168 Benchmark]: Toolchain (without parser) took 1978.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:51,184 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 01:04:51,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:51,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.42 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. [2019-01-01 01:04:51,188 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 01:04:51,188 INFO L168 Benchmark]: RCFGBuilder took 754.85 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:51,189 INFO L168 Benchmark]: TraceAbstraction took 206.38 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-01 01:04:51,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 890.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.42 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. * Boogie Preprocessor took 53.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 754.85 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 206.38 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: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...