./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b83cf1dba2cea7231240cacd36f738a3a55f34cd ............................................................................................................................................................................................................................................................................. 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_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b83cf1dba2cea7231240cacd36f738a3a55f34cd ....................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 11:50:39,413 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:50:39,415 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:50:39,423 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:50:39,423 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:50:39,424 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:50:39,425 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:50:39,426 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:50:39,428 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:50:39,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:50:39,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:50:39,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:50:39,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:50:39,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:50:39,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:50:39,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:50:39,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:50:39,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:50:39,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:50:39,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:50:39,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:50:39,439 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:50:39,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:50:39,441 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:50:39,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:50:39,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:50:39,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:50:39,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:50:39,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:50:39,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:50:39,444 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:50:39,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:50:39,445 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:50:39,445 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:50:39,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:50:39,446 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:50:39,446 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:50:39,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:50:39,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:50:39,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:50:39,458 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:50:39,458 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:50:39,458 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:50:39,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:50:39,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:50:39,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:50:39,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:50:39,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:50:39,460 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:50:39,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:50:39,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:50:39,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:50:39,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:50:39,461 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_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83cf1dba2cea7231240cacd36f738a3a55f34cd [2018-11-28 11:50:39,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:50:39,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:50:39,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:50:39,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:50:39,496 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:50:39,496 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:39,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/114b73052/a689c8e35d1349d29a3372fe7bde1ffc/FLAG96b590152 [2018-11-28 11:50:39,921 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:50:39,922 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:39,932 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/114b73052/a689c8e35d1349d29a3372fe7bde1ffc/FLAG96b590152 [2018-11-28 11:50:40,301 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/114b73052/a689c8e35d1349d29a3372fe7bde1ffc [2018-11-28 11:50:40,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:50:40,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:50:40,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:40,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:50:40,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:50:40,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d96e6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40, skipping insertion in model container [2018-11-28 11:50:40,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:50:40,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:50:40,553 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:40,563 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:50:40,644 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:40,677 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:50:40,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40 WrapperNode [2018-11-28 11:50:40,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:40,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:40,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:50:40,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:50:40,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:40,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:50:40,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:50:40,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:50:40,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... [2018-11-28 11:50:40,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:50:40,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:50:40,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:50:40,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:50:40,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/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 [2018-11-28 11:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 11:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:50:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 11:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:50:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:50:40,771 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:50:40,872 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-28 11:50:40,872 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-28 11:50:40,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:50:40,994 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:50:40,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:40 BoogieIcfgContainer [2018-11-28 11:50:40,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:50:40,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:50:40,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:50:40,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:50:40,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:50:40" (1/3) ... [2018-11-28 11:50:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac84095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:50:40, skipping insertion in model container [2018-11-28 11:50:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:40" (2/3) ... [2018-11-28 11:50:40,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac84095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:50:40, skipping insertion in model container [2018-11-28 11:50:40,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:40" (3/3) ... [2018-11-28 11:50:41,000 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:41,019 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,019 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,020 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,024 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:41,028 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:50:41,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:50:41,033 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:50:41,043 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:50:41,059 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:50:41,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:50:41,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:50:41,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:50:41,060 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:50:41,060 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:50:41,060 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:50:41,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:50:41,060 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:50:41,068 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 54 transitions [2018-11-28 11:50:41,079 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) [2018-11-28 11:50:41,082 INFO L168 Benchmark]: Toolchain (without parser) took 778.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,084 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:50:41,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.89 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,085 INFO L168 Benchmark]: Boogie Preprocessor took 21.11 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,086 INFO L168 Benchmark]: RCFGBuilder took 264.41 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,086 INFO L168 Benchmark]: TraceAbstraction took 86.37 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:41,089 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.89 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.11 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264.41 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 86.37 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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 0.1.23-0cd3be1 [2018-11-28 11:50:42,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:50:42,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:50:42,595 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:50:42,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:50:42,596 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:50:42,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:50:42,598 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:50:42,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:50:42,600 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:50:42,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:50:42,601 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:50:42,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:50:42,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:50:42,603 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:50:42,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:50:42,605 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:50:42,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:50:42,608 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:50:42,609 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:50:42,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:50:42,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:50:42,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:50:42,613 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:50:42,613 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:50:42,614 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:50:42,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:50:42,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:50:42,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:50:42,616 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:50:42,617 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:50:42,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:50:42,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:50:42,617 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:50:42,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:50:42,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:50:42,619 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:50:42,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:50:42,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:50:42,630 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:50:42,630 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:50:42,631 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:50:42,631 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:50:42,631 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:50:42,631 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:50:42,632 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:50:42,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:50:42,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:50:42,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:50:42,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:50:42,635 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:50:42,635 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:50:42,638 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_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b83cf1dba2cea7231240cacd36f738a3a55f34cd [2018-11-28 11:50:42,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:50:42,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:50:42,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:50:42,677 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:50:42,678 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:50:42,678 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:42,724 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/4c9b881d9/1f0eb1956e714767aea93a796363a139/FLAG5c249f299 [2018-11-28 11:50:43,094 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:50:43,094 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:43,102 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/4c9b881d9/1f0eb1956e714767aea93a796363a139/FLAG5c249f299 [2018-11-28 11:50:43,492 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/data/4c9b881d9/1f0eb1956e714767aea93a796363a139 [2018-11-28 11:50:43,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:50:43,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:50:43,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:43,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:50:43,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:50:43,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6805fe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43, skipping insertion in model container [2018-11-28 11:50:43,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:50:43,538 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:50:43,752 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:43,765 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:50:43,861 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:50:43,907 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:50:43,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43 WrapperNode [2018-11-28 11:50:43,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:50:43,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:43,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:50:43,909 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:50:43,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:50:43,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:50:43,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:50:43,946 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:50:43,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... [2018-11-28 11:50:43,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:50:43,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:50:43,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:50:43,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:50:43,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_17b2abba-23d1-4f7f-85dc-8f45f2067fcc/bin-2019/uautomizer/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 [2018-11-28 11:50:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:50:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 11:50:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-28 11:50:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-28 11:50:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 11:50:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 11:50:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-28 11:50:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:50:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:50:44,013 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 11:50:44,106 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-28 11:50:44,106 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-28 11:50:44,222 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:50:44,222 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-28 11:50:44,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:44 BoogieIcfgContainer [2018-11-28 11:50:44,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:50:44,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:50:44,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:50:44,226 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:50:44,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:50:43" (1/3) ... [2018-11-28 11:50:44,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf2b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:50:44, skipping insertion in model container [2018-11-28 11:50:44,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:50:43" (2/3) ... [2018-11-28 11:50:44,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddf2b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:50:44, skipping insertion in model container [2018-11-28 11:50:44,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:50:44" (3/3) ... [2018-11-28 11:50:44,229 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-11-28 11:50:44,248 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,248 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,248 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,248 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,249 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,250 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,251 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,252 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,253 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 11:50:44,258 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 11:50:44,259 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:50:44,266 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-28 11:50:44,278 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-28 11:50:44,293 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:50:44,294 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:50:44,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:50:44,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:50:44,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:50:44,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:50:44,294 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:50:44,294 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:50:44,294 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:50:44,301 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49places, 53 transitions [2018-11-28 11:50:44,309 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) [2018-11-28 11:50:44,311 INFO L168 Benchmark]: Toolchain (without parser) took 816.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:44,312 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 11:50:44,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:44,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.87 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. [2018-11-28 11:50:44,313 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:44,314 INFO L168 Benchmark]: RCFGBuilder took 251.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:44,314 INFO L168 Benchmark]: TraceAbstraction took 87.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:50:44,317 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -201.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.87 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 25.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 251.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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...