./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa6429411c5090a10b40d28bbfd7a17e72c05c8b ............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa6429411c5090a10b40d28bbfd7a17e72c05c8b .................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-08 16:00:09,262 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:00:09,263 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:00:09,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:00:09,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:00:09,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:00:09,271 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:00:09,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:00:09,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:00:09,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:00:09,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:00:09,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:00:09,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:00:09,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:00:09,275 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:00:09,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:00:09,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:00:09,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:00:09,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:00:09,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:00:09,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:00:09,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:00:09,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:00:09,281 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:00:09,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:00:09,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:00:09,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:00:09,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:00:09,283 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:00:09,283 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:00:09,283 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:00:09,284 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:00:09,284 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:00:09,284 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:00:09,284 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:00:09,285 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:00:09,285 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:00:09,292 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:00:09,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:00:09,293 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:00:09,293 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:00:09,293 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:00:09,293 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:00:09,293 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:00:09,293 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:00:09,294 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:00:09,294 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:00:09,295 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:00:09,295 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:00:09,296 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:00:09,296 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan 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 -> Taipan 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 -> fa6429411c5090a10b40d28bbfd7a17e72c05c8b [2018-12-08 16:00:09,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:00:09,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:00:09,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:00:09,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:00:09,323 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:00:09,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:09,361 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/cec003b6c/74edbfef15fc419e8096638aad637b2e/FLAG5ac54952f [2018-12-08 16:00:09,689 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:00:09,690 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:09,697 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/cec003b6c/74edbfef15fc419e8096638aad637b2e/FLAG5ac54952f [2018-12-08 16:00:09,705 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/cec003b6c/74edbfef15fc419e8096638aad637b2e [2018-12-08 16:00:09,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:00:09,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:00:09,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:00:09,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:00:09,711 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:00:09,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:09,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4675d692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09, skipping insertion in model container [2018-12-08 16:00:09,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:09,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:00:09,735 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:00:09,891 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:00:09,897 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:00:09,953 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:00:09,980 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:00:09,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09 WrapperNode [2018-12-08 16:00:09,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:00:09,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:00:09,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:00:09,981 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:00:09,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:09,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:00:10,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:00:10,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:00:10,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:00:10,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... [2018-12-08 16:00:10,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:00:10,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:00:10,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:00:10,020 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:00:10,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/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 [2018-12-08 16:00:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:00:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-08 16:00:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-08 16:00:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 16:00:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 16:00:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 16:00:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:00:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:00:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:00:10,054 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:00:10,196 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:00:10,196 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 16:00:10,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:00:10 BoogieIcfgContainer [2018-12-08 16:00:10,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:00:10,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:00:10,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:00:10,199 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:00:10,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:00:09" (1/3) ... [2018-12-08 16:00:10,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49487c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:00:10, skipping insertion in model container [2018-12-08 16:00:10,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:09" (2/3) ... [2018-12-08 16:00:10,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49487c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:00:10, skipping insertion in model container [2018-12-08 16:00:10,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:00:10" (3/3) ... [2018-12-08 16:00:10,201 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:10,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,222 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,223 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,223 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,223 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,223 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:10,228 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:00:10,228 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:00:10,233 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 16:00:10,242 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 16:00:10,257 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:00:10,257 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:00:10,257 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:00:10,257 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:00:10,257 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:00:10,257 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:00:10,257 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:00:10,257 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:00:10,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-12-08 16:00:10,275 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) [2018-12-08 16:00:10,277 INFO L168 Benchmark]: Toolchain (without parser) took 570.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:10,278 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:00:10,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:10,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.51 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. [2018-12-08 16:00:10,279 INFO L168 Benchmark]: Boogie Preprocessor took 13.97 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. [2018-12-08 16:00:10,280 INFO L168 Benchmark]: RCFGBuilder took 176.98 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:10,280 INFO L168 Benchmark]: TraceAbstraction took 79.74 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:10,282 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.51 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. * Boogie Preprocessor took 13.97 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 176.98 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 79.74 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: 7.0 MB). Peak memory consumption was 7.0 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 0.1.23-635dfa2 [2018-12-08 16:00:11,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:00:11,600 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:00:11,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:00:11,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:00:11,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:00:11,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:00:11,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:00:11,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:00:11,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:00:11,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:00:11,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:00:11,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:00:11,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:00:11,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:00:11,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:00:11,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:00:11,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:00:11,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:00:11,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:00:11,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:00:11,618 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:00:11,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:00:11,620 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:00:11,620 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:00:11,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:00:11,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:00:11,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:00:11,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:00:11,622 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:00:11,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:00:11,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:00:11,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:00:11,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:00:11,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:00:11,624 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:00:11,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 16:00:11,635 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:00:11,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:00:11,635 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:00:11,636 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:00:11,636 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:00:11,636 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:00:11,636 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:00:11,636 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:00:11,636 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:00:11,637 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:00:11,637 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:00:11,637 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:00:11,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 16:00:11,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:00:11,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:00:11,639 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:00:11,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:00:11,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:00:11,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:00:11,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:00:11,640 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:00:11,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:00:11,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:00:11,640 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:00:11,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:00:11,640 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 16:00:11,641 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:00:11,641 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 16:00:11,641 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 16:00:11,641 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan 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 -> Taipan 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 -> fa6429411c5090a10b40d28bbfd7a17e72c05c8b [2018-12-08 16:00:11,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:00:11,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:00:11,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:00:11,675 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:00:11,675 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:00:11,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:11,711 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/3ac1f02cb/df0585c55f7b4934809b5e8cc3e6e7d7/FLAGd621c1eb2 [2018-12-08 16:00:12,081 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:00:12,081 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:12,088 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/3ac1f02cb/df0585c55f7b4934809b5e8cc3e6e7d7/FLAGd621c1eb2 [2018-12-08 16:00:12,449 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/data/3ac1f02cb/df0585c55f7b4934809b5e8cc3e6e7d7 [2018-12-08 16:00:12,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:00:12,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:00:12,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:00:12,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:00:12,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:00:12,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9983a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12, skipping insertion in model container [2018-12-08 16:00:12,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:00:12,486 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:00:12,682 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:00:12,690 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:00:12,715 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:00:12,791 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:00:12,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12 WrapperNode [2018-12-08 16:00:12,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:00:12,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:00:12,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:00:12,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:00:12,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:00:12,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:00:12,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:00:12,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:00:12,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... [2018-12-08 16:00:12,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:00:12,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:00:12,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:00:12,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:00:12,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_569aacd3-ba04-466c-a3e7-dc98b75c8c5c/bin-2019/utaipan/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 [2018-12-08 16:00:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:00:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-08 16:00:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-08 16:00:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 16:00:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 16:00:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 16:00:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 16:00:12,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:00:12,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:00:12,864 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 16:00:13,016 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:00:13,016 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 16:00:13,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:00:13 BoogieIcfgContainer [2018-12-08 16:00:13,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:00:13,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:00:13,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:00:13,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:00:13,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:00:12" (1/3) ... [2018-12-08 16:00:13,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4660b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:00:13, skipping insertion in model container [2018-12-08 16:00:13,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:00:12" (2/3) ... [2018-12-08 16:00:13,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4660b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:00:13, skipping insertion in model container [2018-12-08 16:00:13,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:00:13" (3/3) ... [2018-12-08 16:00:13,022 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_false-unreach-call.i [2018-12-08 16:00:13,043 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,044 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,045 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,046 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,046 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,046 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 16:00:13,052 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 16:00:13,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:00:13,059 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-08 16:00:13,068 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-08 16:00:13,082 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:00:13,082 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:00:13,083 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:00:13,083 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:00:13,083 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:00:13,083 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:00:13,083 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:00:13,083 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:00:13,083 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:00:13,088 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-12-08 16:00:13,103 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) [2018-12-08 16:00:13,106 INFO L168 Benchmark]: Toolchain (without parser) took 654.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:00:13,107 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:00:13,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:13,108 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:13,108 INFO L168 Benchmark]: Boogie Preprocessor took 15.32 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. [2018-12-08 16:00:13,109 INFO L168 Benchmark]: RCFGBuilder took 184.22 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:13,109 INFO L168 Benchmark]: TraceAbstraction took 87.91 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:00:13,112 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.32 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.32 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 184.22 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.91 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: 13.7 MB). Peak memory consumption was 13.7 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...