./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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-aa41828 [2018-11-22 21:35:03,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:35:03,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:35:03,795 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:35:03,795 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:35:03,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:35:03,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:35:03,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:35:03,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:35:03,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:35:03,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:35:03,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:35:03,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:35:03,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:35:03,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:35:03,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:35:03,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:35:03,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:35:03,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:35:03,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:35:03,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:35:03,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:35:03,813 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:35:03,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:35:03,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:35:03,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:35:03,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:35:03,817 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:35:03,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:35:03,818 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:35:03,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:35:03,819 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:35:03,819 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:35:03,819 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:35:03,820 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:35:03,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:35:03,821 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 21:35:03,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:35:03,832 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:35:03,832 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:35:03,833 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:35:03,833 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:35:03,833 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:35:03,833 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:35:03,834 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:35:03,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:35:03,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:35:03,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:35:03,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:35:03,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:35:03,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:35:03,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:35:03,838 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_5e558718-9eb8-4d0d-8490-cd0173d7f185/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 [2018-11-22 21:35:03,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:35:03,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:35:03,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:35:03,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:35:03,882 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:35:03,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:03,922 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/657db7253/8e96d1b97643419da0fb828a5b079add/FLAGa5ab54199 [2018-11-22 21:35:04,368 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:35:04,368 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:04,374 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/657db7253/8e96d1b97643419da0fb828a5b079add/FLAGa5ab54199 [2018-11-22 21:35:04,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/657db7253/8e96d1b97643419da0fb828a5b079add [2018-11-22 21:35:04,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:35:04,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:35:04,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:35:04,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:35:04,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:35:04,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbb7e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04, skipping insertion in model container [2018-11-22 21:35:04,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:35:04,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:35:04,650 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:35:04,658 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:35:04,733 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:35:04,783 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:35:04,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04 WrapperNode [2018-11-22 21:35:04,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:35:04,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:35:04,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:35:04,785 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:35:04,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:35:04,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:35:04,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:35:04,826 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:35:04,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... [2018-11-22 21:35:04,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:35:04,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:35:04,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:35:04,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:35:04,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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 [2018-11-22 21:35:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:35:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:35:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-22 21:35:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-22 21:35:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:35:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:35:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:35:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:35:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:35:04,909 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-22 21:35:04,996 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-22 21:35:04,996 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-22 21:35:05,106 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:35:05,107 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-22 21:35:05,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:05 BoogieIcfgContainer [2018-11-22 21:35:05,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:35:05,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:35:05,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:35:05,110 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:35:05,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:35:04" (1/3) ... [2018-11-22 21:35:05,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9308e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:05, skipping insertion in model container [2018-11-22 21:35:05,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:04" (2/3) ... [2018-11-22 21:35:05,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb9308e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:05, skipping insertion in model container [2018-11-22 21:35:05,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:05" (3/3) ... [2018-11-22 21:35:05,113 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:05,140 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,140 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,140 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,140 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,140 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,141 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,141 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,141 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,141 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,141 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,142 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,143 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,144 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,145 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,145 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,145 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,145 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,146 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,147 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,147 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:05,157 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-22 21:35:05,157 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:35:05,164 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-22 21:35:05,179 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-22 21:35:05,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:35:05,200 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:35:05,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:35:05,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:35:05,201 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:35:05,201 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:35:05,201 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:35:05,201 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:35:05,201 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:35:05,209 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 54 transitions [2018-11-22 21:35:05,219 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) [2018-11-22 21:35:05,222 INFO L168 Benchmark]: Toolchain (without parser) took 834.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:05,223 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:35:05,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:05,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:05,224 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 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. [2018-11-22 21:35:05,225 INFO L168 Benchmark]: RCFGBuilder took 259.84 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:05,225 INFO L168 Benchmark]: TraceAbstraction took 113.63 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:05,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 395.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.26 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 259.84 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: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 113.63 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: 10.1 MB). Peak memory consumption was 10.1 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-aa41828 [2018-11-22 21:35:06,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:35:06,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:35:06,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:35:06,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:35:06,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:35:06,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:35:06,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:35:06,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:35:06,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:35:06,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:35:06,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:35:06,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:35:06,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:35:06,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:35:06,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:35:06,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:35:06,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:35:06,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:35:06,729 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:35:06,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:35:06,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:35:06,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:35:06,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:35:06,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:35:06,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:35:06,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:35:06,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:35:06,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:35:06,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:35:06,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:35:06,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:35:06,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:35:06,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:35:06,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:35:06,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:35:06,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-22 21:35:06,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:35:06,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:35:06,750 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:35:06,750 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:35:06,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:35:06,751 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:35:06,751 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:35:06,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:35:06,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 21:35:06,752 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:35:06,753 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:35:06,753 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:35:06,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:35:06,754 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 21:35:06,755 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 21:35:06,755 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_5e558718-9eb8-4d0d-8490-cd0173d7f185/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 [2018-11-22 21:35:06,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:35:06,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:35:06,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:35:06,795 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:35:06,795 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:35:06,796 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:06,833 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/207b21334/46397c9fde6a4ea1acd6de7696aec742/FLAGeca52b3e3 [2018-11-22 21:35:07,202 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:35:07,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:07,211 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/207b21334/46397c9fde6a4ea1acd6de7696aec742/FLAGeca52b3e3 [2018-11-22 21:35:07,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/bin-2019/uautomizer/data/207b21334/46397c9fde6a4ea1acd6de7696aec742 [2018-11-22 21:35:07,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:35:07,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:35:07,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:35:07,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:35:07,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:35:07,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:07,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ffe1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07, skipping insertion in model container [2018-11-22 21:35:07,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:07,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:35:07,644 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:35:07,894 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:35:07,906 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:35:07,942 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:35:07,993 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:35:07,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07 WrapperNode [2018-11-22 21:35:07,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:35:07,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:35:07,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:35:07,995 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:35:08,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:35:08,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:35:08,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:35:08,068 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:35:08,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... [2018-11-22 21:35:08,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:35:08,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:35:08,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:35:08,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:35:08,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e558718-9eb8-4d0d-8490-cd0173d7f185/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 [2018-11-22 21:35:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:35:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 21:35:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-22 21:35:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-22 21:35:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:35:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 21:35:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-11-22 21:35:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:35:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:35:08,126 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-22 21:35:08,210 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-22 21:35:08,210 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-22 21:35:08,341 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:35:08,341 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-22 21:35:08,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:08 BoogieIcfgContainer [2018-11-22 21:35:08,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:35:08,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:35:08,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:35:08,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:35:08,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:35:07" (1/3) ... [2018-11-22 21:35:08,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52122ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:08, skipping insertion in model container [2018-11-22 21:35:08,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:35:07" (2/3) ... [2018-11-22 21:35:08,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52122ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:35:08, skipping insertion in model container [2018-11-22 21:35:08,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:35:08" (3/3) ... [2018-11-22 21:35:08,347 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-11-22 21:35:08,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,368 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,368 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,369 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,370 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,371 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,372 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,373 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,374 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,374 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,374 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,374 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,374 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 21:35:08,379 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-22 21:35:08,379 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:35:08,384 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-22 21:35:08,397 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-22 21:35:08,414 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:35:08,414 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:35:08,415 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:35:08,415 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:35:08,415 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:35:08,415 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:35:08,415 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:35:08,415 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:35:08,415 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:35:08,423 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49places, 53 transitions [2018-11-22 21:35:08,433 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) [2018-11-22 21:35:08,436 INFO L168 Benchmark]: Toolchain (without parser) took 836.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -121.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:35:08,437 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-22 21:35:08,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.79 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:08,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:08,439 INFO L168 Benchmark]: Boogie Preprocessor took 21.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:35:08,439 INFO L168 Benchmark]: RCFGBuilder took 252.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:08,440 INFO L168 Benchmark]: TraceAbstraction took 93.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:35:08,442 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.79 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 912.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 912.2 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 252.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 93.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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...