./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 ...................................................................................................................................................................................................................................................................................... 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_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 0.1.23-635dfa2 [2018-12-09 12:02:15,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:02:15,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:02:15,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:02:15,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:02:15,116 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:02:15,117 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:02:15,118 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:02:15,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:02:15,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:02:15,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:02:15,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:02:15,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:02:15,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:02:15,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:02:15,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:02:15,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:02:15,122 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:02:15,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:02:15,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:02:15,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:02:15,125 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:02:15,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:02:15,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:02:15,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:02:15,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:02:15,127 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:02:15,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:02:15,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:02:15,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:02:15,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:02:15,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:02:15,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:02:15,128 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:02:15,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:02:15,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:02:15,129 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:02:15,136 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:02:15,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:02:15,137 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:02:15,137 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:02:15,137 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:02:15,137 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:02:15,137 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:02:15,137 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:02:15,137 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:02:15,138 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:02:15,138 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:02:15,139 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:02:15,139 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:02:15,140 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:02:15,140 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 [2018-12-09 12:02:15,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:02:15,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:02:15,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:02:15,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:02:15,167 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:02:15,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:15,201 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/62e09ceef/69c9cf73937f4bb985c5843fccc0f064/FLAGc7c0239a4 [2018-12-09 12:02:15,647 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:02:15,647 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:15,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/62e09ceef/69c9cf73937f4bb985c5843fccc0f064/FLAGc7c0239a4 [2018-12-09 12:02:15,663 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/62e09ceef/69c9cf73937f4bb985c5843fccc0f064 [2018-12-09 12:02:15,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:02:15,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:02:15,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:15,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:02:15,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:02:15,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9575ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15, skipping insertion in model container [2018-12-09 12:02:15,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:02:15,704 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:02:15,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:15,874 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:02:15,930 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:15,960 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:02:15,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15 WrapperNode [2018-12-09 12:02:15,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:15,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:15,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:02:15,961 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:02:15,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:15,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:02:15,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:02:15,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:02:15,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:15,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:16,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... [2018-12-09 12:02:16,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:02:16,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:02:16,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:02:16,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:02:16,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 12:02:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:02:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:02:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:02:16,034 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 12:02:16,099 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-09 12:02:16,100 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-09 12:02:16,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:02:16,195 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 12:02:16,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:16 BoogieIcfgContainer [2018-12-09 12:02:16,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:02:16,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:02:16,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:02:16,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:02:16,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:02:15" (1/3) ... [2018-12-09 12:02:16,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53956b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:16, skipping insertion in model container [2018-12-09 12:02:16,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:15" (2/3) ... [2018-12-09 12:02:16,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53956b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:16, skipping insertion in model container [2018-12-09 12:02:16,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:16" (3/3) ... [2018-12-09 12:02:16,200 INFO L112 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:16,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,221 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,222 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,223 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,223 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,223 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:16,227 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 12:02:16,227 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:02:16,231 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 12:02:16,240 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 12:02:16,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:02:16,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:02:16,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:02:16,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:02:16,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:02:16,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:02:16,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:02:16,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:02:16,260 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 61 transitions [2018-12-09 12:02:16,267 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 12:02:16,269 INFO L168 Benchmark]: Toolchain (without parser) took 603.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 948.2 MB in the beginning and 1.0 GB in the end (delta: -101.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:16,270 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:16,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:16,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.37 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. [2018-12-09 12:02:16,271 INFO L168 Benchmark]: Boogie Preprocessor took 15.44 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. [2018-12-09 12:02:16,271 INFO L168 Benchmark]: RCFGBuilder took 194.21 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:16,272 INFO L168 Benchmark]: TraceAbstraction took 72.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:16,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 948.2 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.37 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. * Boogie Preprocessor took 15.44 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 194.21 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:02:17,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:02:17,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:02:17,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:02:17,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:02:17,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:02:17,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:02:17,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:02:17,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:02:17,610 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:02:17,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:02:17,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:02:17,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:02:17,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:02:17,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:02:17,613 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:02:17,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:02:17,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:02:17,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:02:17,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:02:17,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:02:17,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:02:17,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:02:17,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:02:17,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:02:17,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:02:17,620 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:02:17,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:02:17,621 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:02:17,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:02:17,622 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:02:17,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:02:17,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:02:17,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:02:17,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:02:17,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:02:17,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 12:02:17,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:02:17,631 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:02:17,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:02:17,631 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:02:17,631 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:02:17,632 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:02:17,632 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:02:17,632 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:02:17,632 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:02:17,632 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:02:17,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 12:02:17,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:02:17,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:02:17,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:02:17,635 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 12:02:17,635 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 12:02:17,635 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_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02a79ba6804ef963c1fd638bf144a7a1c55e14e1 [2018-12-09 12:02:17,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:02:17,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:02:17,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:02:17,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:02:17,668 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:02:17,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:17,705 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/e396d7a6f/61a135afc1a04a16a2cbc21a06f4ff64/FLAG040db9863 [2018-12-09 12:02:18,069 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:02:18,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/sv-benchmarks/c/pthread-ext/11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:18,076 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/e396d7a6f/61a135afc1a04a16a2cbc21a06f4ff64/FLAG040db9863 [2018-12-09 12:02:18,438 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/data/e396d7a6f/61a135afc1a04a16a2cbc21a06f4ff64 [2018-12-09 12:02:18,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:02:18,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:02:18,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:18,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:02:18,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:02:18,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c36fe65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18, skipping insertion in model container [2018-12-09 12:02:18,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:02:18,481 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:02:18,652 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:18,661 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:02:18,687 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:18,760 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:02:18,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18 WrapperNode [2018-12-09 12:02:18,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:18,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:18,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:02:18,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:02:18,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:18,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:02:18,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:02:18,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:02:18,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... [2018-12-09 12:02:18,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:02:18,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:02:18,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:02:18,809 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:02:18,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_016bbe0e-5631-4945-9e89-4877a8bf39fe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 12:02:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-09 12:02:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:02:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:02:18,841 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 12:02:18,909 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-09 12:02:18,910 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-09 12:02:19,008 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:02:19,008 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 12:02:19,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:19 BoogieIcfgContainer [2018-12-09 12:02:19,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:02:19,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:02:19,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:02:19,011 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:02:19,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:02:18" (1/3) ... [2018-12-09 12:02:19,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a20c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:19, skipping insertion in model container [2018-12-09 12:02:19,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:18" (2/3) ... [2018-12-09 12:02:19,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a20c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:19, skipping insertion in model container [2018-12-09 12:02:19,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:19" (3/3) ... [2018-12-09 12:02:19,013 INFO L112 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt_true-unreach-call.i [2018-12-09 12:02:19,030 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,030 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,030 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,031 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,032 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,033 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,034 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,035 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,036 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 12:02:19,039 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 12:02:19,040 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:02:19,044 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 12:02:19,053 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 12:02:19,067 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 12:02:19,067 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:02:19,067 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:02:19,067 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:02:19,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:02:19,068 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:02:19,068 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:02:19,068 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:02:19,068 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:02:19,073 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54places, 60 transitions [2018-12-09 12:02:19,079 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 12:02:19,081 INFO L168 Benchmark]: Toolchain (without parser) took 639.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -134.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:19,082 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:19,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:19,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:19,083 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:19,083 INFO L168 Benchmark]: RCFGBuilder took 199.95 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:19,084 INFO L168 Benchmark]: TraceAbstraction took 71.88 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:19,086 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.88 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 199.95 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71.88 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...