./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/06_ticket_true-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_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 41a929f6f2c94173f1b355dba19b018da5144107 ............................................................................................................................................................................................................................................................ 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_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 41a929f6f2c94173f1b355dba19b018da5144107 ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:22:09,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:22:09,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:22:09,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:22:09,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:22:09,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:22:09,539 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:22:09,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:22:09,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:22:09,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:22:09,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:22:09,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:22:09,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:22:09,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:22:09,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:22:09,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:22:09,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:22:09,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:22:09,550 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:22:09,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:22:09,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:22:09,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:22:09,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:22:09,554 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:22:09,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:22:09,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:22:09,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:22:09,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:22:09,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:22:09,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:22:09,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:22:09,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:22:09,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:22:09,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:22:09,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:22:09,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:22:09,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:22:09,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:22:09,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:22:09,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:22:09,572 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:22:09,572 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:22:09,573 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:22:09,573 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:22:09,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:22:09,573 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:22:09,573 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:22:09,573 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:22:09,574 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:22:09,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:22:09,575 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:22:09,575 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:22:09,576 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_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 -> 41a929f6f2c94173f1b355dba19b018da5144107 [2018-12-03 06:22:09,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:22:09,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:22:09,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:22:09,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:22:09,611 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:22:09,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-03 06:22:09,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/08698f6c0/e52170b979494e7ea3b5637c122d5231/FLAG28dcefa6f [2018-12-03 06:22:10,071 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:22:10,071 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-03 06:22:10,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/08698f6c0/e52170b979494e7ea3b5637c122d5231/FLAG28dcefa6f [2018-12-03 06:22:10,089 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/08698f6c0/e52170b979494e7ea3b5637c122d5231 [2018-12-03 06:22:10,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:22:10,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:22:10,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:22:10,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:22:10,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:22:10,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72da7353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10, skipping insertion in model container [2018-12-03 06:22:10,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:22:10,126 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:22:10,285 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:22:10,292 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:22:10,354 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:22:10,382 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:22:10,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10 WrapperNode [2018-12-03 06:22:10,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:22:10,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:22:10,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:22:10,383 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:22:10,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:22:10,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:22:10,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:22:10,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:22:10,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... [2018-12-03 06:22:10,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:22:10,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:22:10,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:22:10,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:22:10,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-03 06:22:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-03 06:22:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:22:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:22:10,465 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 06:22:10,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:22:10,617 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-03 06:22:10,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:22:10 BoogieIcfgContainer [2018-12-03 06:22:10,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:22:10,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:22:10,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:22:10,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:22:10,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:22:10" (1/3) ... [2018-12-03 06:22:10,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987631c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:22:10, skipping insertion in model container [2018-12-03 06:22:10,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:10" (2/3) ... [2018-12-03 06:22:10,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987631c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:22:10, skipping insertion in model container [2018-12-03 06:22:10,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:22:10" (3/3) ... [2018-12-03 06:22:10,623 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket_true-unreach-call.i [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,648 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,649 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,649 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,650 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,651 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,651 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,651 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,651 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,651 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,652 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,652 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,652 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,652 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,652 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,653 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:10,659 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 06:22:10,659 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:22:10,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-03 06:22:10,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-03 06:22:10,690 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:22:10,690 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:22:10,690 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:22:10,690 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:22:10,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:22:10,691 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:22:10,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:22:10,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:22:10,697 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47places, 53 transitions [2018-12-03 06:22:10,708 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_thr1 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) [2018-12-03 06:22:10,711 INFO L168 Benchmark]: Toolchain (without parser) took 619.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -49.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:10,712 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:22:10,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:10,713 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:22:10,713 INFO L168 Benchmark]: Boogie Preprocessor took 14.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:22:10,713 INFO L168 Benchmark]: RCFGBuilder took 193.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:10,714 INFO L168 Benchmark]: TraceAbstraction took 91.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:10,716 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.0 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 91.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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 [2018-12-03 06:22:12,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:22:12,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:22:12,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:22:12,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:22:12,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:22:12,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:22:12,077 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:22:12,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:22:12,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:22:12,079 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:22:12,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:22:12,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:22:12,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:22:12,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:22:12,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:22:12,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:22:12,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:22:12,085 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:22:12,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:22:12,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:22:12,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:22:12,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:22:12,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:22:12,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:22:12,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:22:12,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:22:12,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:22:12,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:22:12,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:22:12,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:22:12,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:22:12,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:22:12,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:22:12,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:22:12,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:22:12,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 06:22:12,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:22:12,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:22:12,106 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:22:12,106 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:22:12,107 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:22:12,107 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:22:12,107 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:22:12,107 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:22:12,107 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:22:12,107 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:22:12,108 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:22:12,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:22:12,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:22:12,109 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:22:12,110 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 06:22:12,110 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 06:22:12,110 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_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 -> 41a929f6f2c94173f1b355dba19b018da5144107 [2018-12-03 06:22:12,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:22:12,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:22:12,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:22:12,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:22:12,148 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:22:12,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-03 06:22:12,190 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/187db09b5/7b41381f0304493db936b0dad0258b61/FLAG62bdf0e61 [2018-12-03 06:22:12,593 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:22:12,594 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-03 06:22:12,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/187db09b5/7b41381f0304493db936b0dad0258b61/FLAG62bdf0e61 [2018-12-03 06:22:12,608 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/bin-2019/utaipan/data/187db09b5/7b41381f0304493db936b0dad0258b61 [2018-12-03 06:22:12,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:22:12,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:22:12,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:22:12,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:22:12,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:22:12,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb0e1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12, skipping insertion in model container [2018-12-03 06:22:12,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:22:12,638 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:22:12,800 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:22:12,810 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:22:12,872 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:22:12,904 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:22:12,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12 WrapperNode [2018-12-03 06:22:12,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:22:12,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:22:12,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:22:12,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:22:12,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:22:12,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:22:12,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:22:12,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:22:12,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... [2018-12-03 06:22:12,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:22:12,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:22:12,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:22:12,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:22:12,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfe8d8f-e0c2-4110-9ee7-b60de24d9119/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 [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-03 06:22:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-03 06:22:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:22:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:22:12,981 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-03 06:22:13,142 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:22:13,143 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-03 06:22:13,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:22:13 BoogieIcfgContainer [2018-12-03 06:22:13,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:22:13,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:22:13,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:22:13,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:22:13,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:22:12" (1/3) ... [2018-12-03 06:22:13,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a834f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:22:13, skipping insertion in model container [2018-12-03 06:22:13,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:22:12" (2/3) ... [2018-12-03 06:22:13,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a834f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:22:13, skipping insertion in model container [2018-12-03 06:22:13,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:22:13" (3/3) ... [2018-12-03 06:22:13,148 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket_true-unreach-call.i [2018-12-03 06:22:13,165 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,165 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,166 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,167 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,168 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 06:22:13,173 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-03 06:22:13,173 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:22:13,178 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-03 06:22:13,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-03 06:22:13,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 06:22:13,200 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:22:13,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:22:13,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:22:13,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:22:13,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:22:13,201 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:22:13,201 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:22:13,201 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:22:13,205 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47places, 53 transitions [2018-12-03 06:22:13,213 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_thr1 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) [2018-12-03 06:22:13,215 INFO L168 Benchmark]: Toolchain (without parser) took 604.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -141.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:22:13,216 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-03 06:22:13,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:13,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.62 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. [2018-12-03 06:22:13,218 INFO L168 Benchmark]: Boogie Preprocessor took 17.11 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. [2018-12-03 06:22:13,218 INFO L168 Benchmark]: RCFGBuilder took 194.26 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:13,219 INFO L168 Benchmark]: TraceAbstraction took 71.20 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-12-03 06:22:13,221 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 293.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.62 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 17.11 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 194.26 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71.20 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: 8.5 MB). Peak memory consumption was 8.5 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_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: 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...