./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-aa41828 [2018-11-23 13:26:55,239 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:26:55,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:26:55,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:26:55,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:26:55,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:26:55,250 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:26:55,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:26:55,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:26:55,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:26:55,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:26:55,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:26:55,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:26:55,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:26:55,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:26:55,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:26:55,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:26:55,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:26:55,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:26:55,261 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:26:55,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:26:55,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:26:55,264 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:26:55,264 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:26:55,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:26:55,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:26:55,265 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:26:55,266 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:26:55,266 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:26:55,267 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:26:55,267 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:26:55,268 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:26:55,268 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:26:55,268 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:26:55,269 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:26:55,269 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:26:55,269 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:26:55,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:26:55,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:26:55,280 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:26:55,280 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:26:55,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:26:55,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:26:55,280 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:26:55,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:26:55,281 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:26:55,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:26:55,282 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:26:55,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:26:55,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:26:55,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:26:55,284 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_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 [2018-11-23 13:26:55,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:26:55,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:26:55,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:26:55,319 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:26:55,319 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:26:55,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-11-23 13:26:55,363 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/c1cc997e8/1e72ce60b73d4ed4b2d036b871506d6d/FLAG1f976927c [2018-11-23 13:26:55,802 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:26:55,802 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-11-23 13:26:55,808 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/c1cc997e8/1e72ce60b73d4ed4b2d036b871506d6d/FLAG1f976927c [2018-11-23 13:26:55,816 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/c1cc997e8/1e72ce60b73d4ed4b2d036b871506d6d [2018-11-23 13:26:55,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:26:55,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:26:55,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:26:55,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:26:55,824 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:26:55,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:55" (1/1) ... [2018-11-23 13:26:55,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8308fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:55, skipping insertion in model container [2018-11-23 13:26:55,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:55" (1/1) ... [2018-11-23 13:26:55,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:26:55,862 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:26:56,062 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:26:56,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:26:56,146 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:26:56,176 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:26:56,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56 WrapperNode [2018-11-23 13:26:56,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:26:56,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:26:56,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:26:56,178 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:26:56,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:26:56,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:26:56,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:26:56,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:26:56,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... [2018-11-23 13:26:56,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:26:56,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:26:56,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:26:56,229 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:26:56,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:26:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:26:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:26:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:26:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:26:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:26:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:26:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:26:56,274 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:26:56,369 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 13:26:56,370 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 13:26:56,370 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-11-23 13:26:56,371 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-11-23 13:26:56,372 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-11-23 13:26:56,372 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2018-11-23 13:26:56,373 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2018-11-23 13:26:56,373 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2018-11-23 13:26:56,373 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2018-11-23 13:26:56,374 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2018-11-23 13:26:56,545 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:26:56,545 INFO L280 CfgBuilder]: Removed 29 assue(true) statements. [2018-11-23 13:26:56,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:56 BoogieIcfgContainer [2018-11-23 13:26:56,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:26:56,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:26:56,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:26:56,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:26:56,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:26:55" (1/3) ... [2018-11-23 13:26:56,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647f8a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:26:56, skipping insertion in model container [2018-11-23 13:26:56,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:56" (2/3) ... [2018-11-23 13:26:56,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647f8a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:26:56, skipping insertion in model container [2018-11-23 13:26:56,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:56" (3/3) ... [2018-11-23 13:26:56,551 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec_true-unreach-call.i [2018-11-23 13:26:56,571 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,571 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,571 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,571 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,572 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,573 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,574 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,575 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,576 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,577 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,577 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:56,580 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:26:56,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:26:56,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 13:26:56,594 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 13:26:56,609 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:26:56,610 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:26:56,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:26:56,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:26:56,610 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:26:56,610 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:26:56,610 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:26:56,610 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:26:56,610 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:26:56,617 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56places, 61 transitions [2018-11-23 13:26:56,627 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 13:26:56,629 INFO L168 Benchmark]: Toolchain (without parser) took 810.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -108.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,630 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:26:56,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,631 INFO L168 Benchmark]: Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,632 INFO L168 Benchmark]: RCFGBuilder took 316.19 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,632 INFO L168 Benchmark]: TraceAbstraction took 82.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:56,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 316.19 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: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 82.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 13:26:58,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:26:58,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:26:58,054 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:26:58,054 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:26:58,055 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:26:58,056 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:26:58,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:26:58,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:26:58,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:26:58,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:26:58,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:26:58,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:26:58,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:26:58,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:26:58,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:26:58,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:26:58,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:26:58,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:26:58,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:26:58,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:26:58,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:26:58,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:26:58,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:26:58,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:26:58,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:26:58,072 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:26:58,072 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:26:58,073 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:26:58,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:26:58,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:26:58,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:26:58,074 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:26:58,075 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:26:58,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:26:58,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:26:58,076 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 13:26:58,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:26:58,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:26:58,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:26:58,087 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:26:58,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:26:58,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:26:58,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:26:58,089 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:26:58,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:26:58,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:26:58,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:26:58,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:26:58,090 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:26:58,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:26:58,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:26:58,091 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:26:58,091 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_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d94e0d2b105fa89c52eebd12fb0dd08c69e1229 [2018-11-23 13:26:58,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:26:58,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:26:58,133 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:26:58,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:26:58,134 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:26:58,135 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-11-23 13:26:58,178 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/382327407/23745eed1cf747418278cbf1317e3971/FLAG2beeaf326 [2018-11-23 13:26:58,540 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:26:58,541 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/sv-benchmarks/c/pthread-ext/03_incdec_true-unreach-call.i [2018-11-23 13:26:58,550 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/382327407/23745eed1cf747418278cbf1317e3971/FLAG2beeaf326 [2018-11-23 13:26:58,933 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/data/382327407/23745eed1cf747418278cbf1317e3971 [2018-11-23 13:26:58,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:26:58,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:26:58,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:26:58,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:26:58,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:26:58,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:58" (1/1) ... [2018-11-23 13:26:58,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7923c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:58, skipping insertion in model container [2018-11-23 13:26:58,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:58" (1/1) ... [2018-11-23 13:26:58,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:26:58,977 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:26:59,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:26:59,217 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:26:59,253 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:26:59,348 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:26:59,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59 WrapperNode [2018-11-23 13:26:59,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:26:59,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:26:59,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:26:59,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:26:59,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:26:59,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:26:59,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:26:59,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:26:59,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2018-11-23 13:26:59,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:26:59,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:26:59,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:26:59,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:26:59,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f2b927d-d9f8-43b8-84fd-4e5b13053bb4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:26:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:26:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 13:26:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 13:26:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:26:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:26:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:26:59,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:26:59,438 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 13:26:59,516 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 13:26:59,517 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 13:26:59,517 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-11-23 13:26:59,517 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-11-23 13:26:59,519 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-11-23 13:26:59,519 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#3 [2018-11-23 13:26:59,519 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#4 [2018-11-23 13:26:59,520 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#5 [2018-11-23 13:26:59,520 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#4 [2018-11-23 13:26:59,520 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#6 [2018-11-23 13:26:59,634 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:26:59,634 INFO L280 CfgBuilder]: Removed 29 assue(true) statements. [2018-11-23 13:26:59,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:59 BoogieIcfgContainer [2018-11-23 13:26:59,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:26:59,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:26:59,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:26:59,637 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:26:59,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:26:58" (1/3) ... [2018-11-23 13:26:59,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506453b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:26:59, skipping insertion in model container [2018-11-23 13:26:59,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (2/3) ... [2018-11-23 13:26:59,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506453b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:26:59, skipping insertion in model container [2018-11-23 13:26:59,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:59" (3/3) ... [2018-11-23 13:26:59,640 INFO L112 eAbstractionObserver]: Analyzing ICFG 03_incdec_true-unreach-call.i [2018-11-23 13:26:59,662 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,662 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,662 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,663 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,663 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,663 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,663 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,663 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~r~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,664 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,665 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,665 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,665 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,665 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,665 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,666 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,667 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,667 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,667 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,668 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,668 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,668 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,668 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_inc_~inc_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,668 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_inc_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,669 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_dec_~dec_v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,669 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 13:26:59,672 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 13:26:59,672 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:26:59,678 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 13:26:59,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 13:26:59,703 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:26:59,703 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:26:59,704 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:26:59,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:26:59,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:26:59,704 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:26:59,704 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:26:59,704 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:26:59,704 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:26:59,711 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55places, 60 transitions [2018-11-23 13:26:59,720 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 13:26:59,723 INFO L168 Benchmark]: Toolchain (without parser) took 786.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:26:59,724 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:26:59,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:59,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.07 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:59,726 INFO L168 Benchmark]: Boogie Preprocessor took 24.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:26:59,726 INFO L168 Benchmark]: RCFGBuilder took 228.91 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:59,727 INFO L168 Benchmark]: TraceAbstraction took 87.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:26:59,729 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 411.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.07 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.37 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 228.91 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 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...