./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 ........................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 ......................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-12 22:26:39,886 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:26:39,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:26:39,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:26:39,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:26:39,908 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:26:39,909 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:26:39,910 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:26:39,912 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:26:39,913 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:26:39,914 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:26:39,914 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:26:39,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:26:39,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:26:39,922 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:26:39,924 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:26:39,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:26:39,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:26:39,931 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:26:39,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:26:39,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:26:39,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:26:39,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:26:39,942 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:26:39,943 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:26:39,944 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:26:39,945 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:26:39,945 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:26:39,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:26:39,948 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:26:39,948 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:26:39,948 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:26:39,948 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:26:39,949 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:26:39,950 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:26:39,951 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:26:39,951 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 22:26:39,967 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:26:39,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:26:39,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:26:39,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:26:39,971 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:26:39,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:26:39,972 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:26:39,973 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:26:39,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:26:39,975 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:26:39,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:26:39,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:26:39,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:26:39,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:26:39,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:26:39,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:39,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:26:39,978 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:26:39,978 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:26:39,978 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 22:26:39,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:26:39,978 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 22:26:39,979 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 [2019-01-12 22:26:40,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:26:40,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:26:40,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:26:40,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:26:40,042 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:26:40,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:40,106 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f58095441/edaceb2dc309453eb8ead5d3d1b9eaac/FLAG425e8f001 [2019-01-12 22:26:40,568 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:26:40,568 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:40,585 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f58095441/edaceb2dc309453eb8ead5d3d1b9eaac/FLAG425e8f001 [2019-01-12 22:26:40,879 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f58095441/edaceb2dc309453eb8ead5d3d1b9eaac [2019-01-12 22:26:40,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:26:40,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:26:40,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:40,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:26:40,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:26:40,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:40" (1/1) ... [2019-01-12 22:26:40,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4e8683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:40, skipping insertion in model container [2019-01-12 22:26:40,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:40" (1/1) ... [2019-01-12 22:26:40,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:26:40,943 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:26:41,345 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:41,365 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:26:41,478 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:41,573 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:26:41,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41 WrapperNode [2019-01-12 22:26:41,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:41,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:41,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:26:41,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:26:41,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:41,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:26:41,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:26:41,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:26:41,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... [2019-01-12 22:26:41,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:26:41,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:26:41,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:26:41,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:26:41,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 22:26:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:26:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:26:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 22:26:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:26:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:26:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 22:26:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:26:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:26:41,738 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:26:41,890 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-01-12 22:26:41,899 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-01-12 22:26:42,179 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:26:42,179 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 22:26:42,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:42 BoogieIcfgContainer [2019-01-12 22:26:42,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:26:42,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:26:42,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:26:42,184 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:26:42,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:26:40" (1/3) ... [2019-01-12 22:26:42,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a056257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:42, skipping insertion in model container [2019-01-12 22:26:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:41" (2/3) ... [2019-01-12 22:26:42,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a056257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:42, skipping insertion in model container [2019-01-12 22:26:42,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:42" (3/3) ... [2019-01-12 22:26:42,188 INFO L112 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:42,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,223 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,223 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,223 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,223 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,223 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,224 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,224 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,224 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,224 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,224 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,225 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,225 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,225 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,225 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,226 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,226 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,228 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,228 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,228 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,229 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,230 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,231 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,231 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,232 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,234 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,235 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,237 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,237 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:42,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:26:42,256 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:26:42,264 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-12 22:26:42,278 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-12 22:26:42,300 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:26:42,300 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:26:42,300 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:26:42,301 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:26:42,301 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:26:42,301 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:26:42,301 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:26:42,301 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:26:42,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:26:42,313 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 61 transitions [2019-01-12 22:26:42,327 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) [2019-01-12 22:26:42,333 INFO L168 Benchmark]: Toolchain (without parser) took 1450.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:42,335 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:26:42,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:42,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:26:42,338 INFO L168 Benchmark]: Boogie Preprocessor took 54.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:42,339 INFO L168 Benchmark]: RCFGBuilder took 494.69 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:42,339 INFO L168 Benchmark]: TraceAbstraction took 150.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:42,345 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.71 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 494.69 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 150.66 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... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 22:26:44,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 22:26:44,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 22:26:44,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 22:26:44,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 22:26:44,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 22:26:44,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 22:26:44,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 22:26:44,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 22:26:44,576 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 22:26:44,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 22:26:44,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 22:26:44,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 22:26:44,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 22:26:44,580 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 22:26:44,581 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 22:26:44,582 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 22:26:44,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 22:26:44,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 22:26:44,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 22:26:44,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 22:26:44,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 22:26:44,594 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 22:26:44,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 22:26:44,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 22:26:44,596 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 22:26:44,597 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 22:26:44,598 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 22:26:44,599 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 22:26:44,600 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 22:26:44,600 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 22:26:44,601 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 22:26:44,601 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 22:26:44,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 22:26:44,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 22:26:44,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 22:26:44,604 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 22:26:44,620 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 22:26:44,620 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 22:26:44,621 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 22:26:44,621 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 22:26:44,621 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 22:26:44,622 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 22:26:44,622 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 22:26:44,622 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 22:26:44,622 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 22:26:44,622 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 22:26:44,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 22:26:44,623 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 22:26:44,624 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 22:26:44,624 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 22:26:44,624 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 22:26:44,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 22:26:44,625 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 22:26:44,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 22:26:44,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 22:26:44,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 22:26:44,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 22:26:44,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 22:26:44,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:44,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 22:26:44,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 22:26:44,628 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 [2019-01-12 22:26:44,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 22:26:44,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 22:26:44,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 22:26:44,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 22:26:44,706 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 22:26:44,707 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:44,765 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67799ffca/8db7c90fde1842ae86dc02ddb8eda340/FLAG5cf30a6fb [2019-01-12 22:26:45,257 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 22:26:45,260 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:45,281 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67799ffca/8db7c90fde1842ae86dc02ddb8eda340/FLAG5cf30a6fb [2019-01-12 22:26:45,555 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67799ffca/8db7c90fde1842ae86dc02ddb8eda340 [2019-01-12 22:26:45,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 22:26:45,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 22:26:45,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:45,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 22:26:45,564 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 22:26:45,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:45" (1/1) ... [2019-01-12 22:26:45,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30495498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:45, skipping insertion in model container [2019-01-12 22:26:45,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:26:45" (1/1) ... [2019-01-12 22:26:45,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 22:26:45,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 22:26:46,040 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:46,065 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 22:26:46,200 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 22:26:46,286 INFO L195 MainTranslator]: Completed translation [2019-01-12 22:26:46,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46 WrapperNode [2019-01-12 22:26:46,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 22:26:46,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:46,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 22:26:46,288 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 22:26:46,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 22:26:46,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 22:26:46,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 22:26:46,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 22:26:46,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... [2019-01-12 22:26:46,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 22:26:46,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 22:26:46,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 22:26:46,409 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 22:26:46,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 22:26:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 22:26:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-01-12 22:26:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-01-12 22:26:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 22:26:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 22:26:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 22:26:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-01-12 22:26:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 22:26:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 22:26:46,468 WARN L204 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-01-12 22:26:46,617 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-01-12 22:26:46,617 INFO L1501 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-01-12 22:26:47,049 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 22:26:47,049 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. [2019-01-12 22:26:47,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:47 BoogieIcfgContainer [2019-01-12 22:26:47,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 22:26:47,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 22:26:47,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 22:26:47,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 22:26:47,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:26:45" (1/3) ... [2019-01-12 22:26:47,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fd972f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:47, skipping insertion in model container [2019-01-12 22:26:47,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:26:46" (2/3) ... [2019-01-12 22:26:47,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49fd972f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:26:47, skipping insertion in model container [2019-01-12 22:26:47,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:26:47" (3/3) ... [2019-01-12 22:26:47,059 INFO L112 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt_true-unreach-call.i [2019-01-12 22:26:47,088 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,089 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,089 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,089 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,089 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,089 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,090 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,092 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,092 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,093 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,093 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,093 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,094 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,094 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,094 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,094 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,095 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,096 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,096 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,097 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,099 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,101 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,102 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,102 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,102 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,103 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,103 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,103 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,103 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,103 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,104 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,105 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,106 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,106 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,106 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,106 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,106 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,107 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 22:26:47,125 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-01-12 22:26:47,125 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 22:26:47,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-01-12 22:26:47,150 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-01-12 22:26:47,173 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 22:26:47,173 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 22:26:47,173 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 22:26:47,173 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 22:26:47,174 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 22:26:47,174 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 22:26:47,174 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 22:26:47,174 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 22:26:47,174 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 22:26:47,184 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 61 transitions [2019-01-12 22:26:47,199 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) [2019-01-12 22:26:47,206 INFO L168 Benchmark]: Toolchain (without parser) took 1646.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:47,208 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:26:47,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:47,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 22:26:47,211 INFO L168 Benchmark]: Boogie Preprocessor took 58.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:47,214 INFO L168 Benchmark]: RCFGBuilder took 642.28 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:47,215 INFO L168 Benchmark]: TraceAbstraction took 152.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-12 22:26:47,222 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 726.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.99 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 58.80 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 642.28 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 152.43 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. * 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...