./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/03_incdec_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_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 ............................................................................................................................................................................................................................................................................ 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_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 ................................................................................................................................................................................................................................................................................ 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 [2018-12-02 06:32:20,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:32:20,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:32:20,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:32:20,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:32:20,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:32:20,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:32:20,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:32:20,202 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:32:20,203 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:32:20,204 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:32:20,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:32:20,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:32:20,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:32:20,206 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:32:20,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:32:20,207 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:32:20,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:32:20,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:32:20,210 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:32:20,211 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:32:20,212 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:32:20,213 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:32:20,214 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:32:20,214 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:32:20,214 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:32:20,215 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:32:20,216 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:32:20,216 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:32:20,217 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:32:20,217 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:32:20,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:32:20,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:32:20,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:32:20,218 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:32:20,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:32:20,219 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:32:20,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:32:20,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:32:20,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:32:20,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:32:20,227 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:32:20,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:32:20,228 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:32:20,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:32:20,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:32:20,229 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:32:20,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:32:20,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:32:20,230 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_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 -> 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 [2018-12-02 06:32:20,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:32:20,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:32:20,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:32:20,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:32:20,256 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:32:20,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-12-02 06:32:20,292 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/146c38932/aa44cfc48e1442288b21401e99d9ac09/FLAG9dccb5aca [2018-12-02 06:32:20,692 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:32:20,692 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-12-02 06:32:20,698 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/146c38932/aa44cfc48e1442288b21401e99d9ac09/FLAG9dccb5aca [2018-12-02 06:32:20,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/146c38932/aa44cfc48e1442288b21401e99d9ac09 [2018-12-02 06:32:20,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:32:20,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:32:20,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:32:20,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:32:20,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:32:20,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:32:20" (1/1) ... [2018-12-02 06:32:20,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b62dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:20, skipping insertion in model container [2018-12-02 06:32:20,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:32:20" (1/1) ... [2018-12-02 06:32:20,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:32:20,748 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:32:20,927 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:32:20,933 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:32:20,995 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:32:21,024 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:32:21,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21 WrapperNode [2018-12-02 06:32:21,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:32:21,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:32:21,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:32:21,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:32:21,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:32:21,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:32:21,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:32:21,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:32:21,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... [2018-12-02 06:32:21,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:32:21,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:32:21,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:32:21,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:32:21,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 [2018-12-02 06:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 06:32:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 06:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 06:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:32:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:32:21,112 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 06:32:21,175 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 06:32:21,175 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 06:32:21,176 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-02 06:32:21,176 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-02 06:32:21,177 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-12-02 06:32:21,177 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2018-12-02 06:32:21,178 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2018-12-02 06:32:21,178 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2018-12-02 06:32:21,178 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2018-12-02 06:32:21,179 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2018-12-02 06:32:21,283 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:32:21,284 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 06:32:21,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:21 BoogieIcfgContainer [2018-12-02 06:32:21,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:32:21,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:32:21,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:32:21,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:32:21,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:32:20" (1/3) ... [2018-12-02 06:32:21,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5796ee3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:21, skipping insertion in model container [2018-12-02 06:32:21,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:21" (2/3) ... [2018-12-02 06:32:21,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5796ee3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:21, skipping insertion in model container [2018-12-02 06:32:21,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:21" (3/3) ... [2018-12-02 06:32:21,288 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec_true-unreach-call.i [2018-12-02 06:32:21,306 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,307 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,307 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,307 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,307 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,308 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,309 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,310 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,311 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,312 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,312 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,312 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,312 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,313 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:21,316 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 06:32:21,316 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:32:21,322 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-02 06:32:21,331 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-02 06:32:21,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:32:21,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:32:21,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:32:21,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:32:21,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:32:21,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:32:21,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:32:21,348 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:32:21,355 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56places, 61 transitions [2018-12-02 06:32:21,363 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) [2018-12-02 06:32:21,366 INFO L168 Benchmark]: Toolchain (without parser) took 656.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.1 MB in the beginning and 1.0 GB in the end (delta: -92.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:21,367 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:32:21,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:21,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.77 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. [2018-12-02 06:32:21,368 INFO L168 Benchmark]: Boogie Preprocessor took 16.36 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. [2018-12-02 06:32:21,368 INFO L168 Benchmark]: RCFGBuilder took 214.38 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:21,369 INFO L168 Benchmark]: TraceAbstraction took 80.81 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. [2018-12-02 06:32:21,371 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -131.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.77 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 16.36 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 214.38 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.81 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 [2018-12-02 06:32:22,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:32:22,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:32:22,724 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:32:22,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:32:22,725 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:32:22,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:32:22,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:32:22,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:32:22,727 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:32:22,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:32:22,728 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:32:22,728 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:32:22,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:32:22,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:32:22,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:32:22,730 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:32:22,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:32:22,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:32:22,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:32:22,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:32:22,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:32:22,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:32:22,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:32:22,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:32:22,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:32:22,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:32:22,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:32:22,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:32:22,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:32:22,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:32:22,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:32:22,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:32:22,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:32:22,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:32:22,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:32:22,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 06:32:22,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:32:22,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:32:22,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:32:22,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:32:22,746 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:32:22,746 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:32:22,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:32:22,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:32:22,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:32:22,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:32:22,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 06:32:22,749 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 06:32:22,749 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_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 -> 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 [2018-12-02 06:32:22,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:32:22,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:32:22,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:32:22,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:32:22,778 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:32:22,778 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-12-02 06:32:22,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/45acf0c7b/4d4a423ca9744013b100934d2381e58b/FLAGf74895ee2 [2018-12-02 06:32:23,238 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:32:23,239 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-12-02 06:32:23,245 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/45acf0c7b/4d4a423ca9744013b100934d2381e58b/FLAGf74895ee2 [2018-12-02 06:32:23,254 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/bin-2019/utaipan/data/45acf0c7b/4d4a423ca9744013b100934d2381e58b [2018-12-02 06:32:23,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:32:23,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:32:23,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:32:23,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:32:23,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:32:23,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375cb835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23, skipping insertion in model container [2018-12-02 06:32:23,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:32:23,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:32:23,451 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:32:23,459 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:32:23,523 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:32:23,553 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:32:23,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23 WrapperNode [2018-12-02 06:32:23,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:32:23,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:32:23,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:32:23,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:32:23,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:32:23,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:32:23,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:32:23,580 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:32:23,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... [2018-12-02 06:32:23,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:32:23,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:32:23,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:32:23,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:32:23,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_636d0cbb-c003-4b0f-b426-100cbc3b333f/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 [2018-12-02 06:32:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 06:32:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 06:32:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 06:32:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 06:32:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 06:32:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:32:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:32:23,627 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 06:32:23,693 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 06:32:23,693 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 06:32:23,694 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-02 06:32:23,694 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-02 06:32:23,695 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-12-02 06:32:23,695 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2018-12-02 06:32:23,695 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2018-12-02 06:32:23,696 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2018-12-02 06:32:23,696 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2018-12-02 06:32:23,696 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2018-12-02 06:32:23,786 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:32:23,786 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 06:32:23,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:23 BoogieIcfgContainer [2018-12-02 06:32:23,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:32:23,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:32:23,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:32:23,789 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:32:23,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:32:23" (1/3) ... [2018-12-02 06:32:23,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248ed680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:23, skipping insertion in model container [2018-12-02 06:32:23,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:32:23" (2/3) ... [2018-12-02 06:32:23,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248ed680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:32:23, skipping insertion in model container [2018-12-02 06:32:23,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:32:23" (3/3) ... [2018-12-02 06:32:23,791 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec_true-unreach-call.i [2018-12-02 06:32:23,813 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,813 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,813 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,813 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,814 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,815 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,816 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,817 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,818 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,818 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,818 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,818 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,818 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,819 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,819 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,819 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 06:32:23,822 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 06:32:23,822 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:32:23,827 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-02 06:32:23,836 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-02 06:32:23,849 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 06:32:23,850 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:32:23,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:32:23,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:32:23,850 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:32:23,850 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:32:23,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:32:23,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:32:23,851 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:32:23,856 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 60 transitions [2018-12-02 06:32:23,863 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) [2018-12-02 06:32:23,865 INFO L168 Benchmark]: Toolchain (without parser) took 609.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -129.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:23,866 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-02 06:32:23,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:23,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.72 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. [2018-12-02 06:32:23,867 INFO L168 Benchmark]: Boogie Preprocessor took 16.20 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. [2018-12-02 06:32:23,867 INFO L168 Benchmark]: RCFGBuilder took 190.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:23,868 INFO L168 Benchmark]: TraceAbstraction took 77.78 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:32:23,869 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 296.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.72 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 16.20 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 190.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77.78 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: 20.5 MB). Peak memory consumption was 20.5 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...