./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 219d6b9593945d8bc2315cfe0cf7d7af877793ba ..................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 219d6b9593945d8bc2315cfe0cf7d7af877793ba .................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:26,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:26,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:26,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:26,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:26,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:26,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:26,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:26,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:26,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:26,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:26,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:26,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:26,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:26,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:26,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:26,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:26,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:26,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:26,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:26,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:26,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:26,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:26,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:26,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:26,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:26,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:26,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:26,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:26,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:26,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:26,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:26,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:26,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:26,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:26,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:26,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:26,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:26,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:26,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:26,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:26,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:26,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:26,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:26,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:26,195 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:26,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:26,195 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:26,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:26,196 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:26,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:26,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:26,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:26,196 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:26,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:26,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:26,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:26,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:26,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:26,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:26,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:26,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:26,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:26,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:26,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:26,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:26,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:26,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:26,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:26,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:26,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:26,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:26,200 INFO L138 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_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-10-22 11:26:26,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:26,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:26,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:26,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:26,245 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:26,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:26,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/86d1421e5/a2120b57c798461ebab2eb7e928cfd20/FLAGa9295d4b0 [2019-10-22 11:26:26,697 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:26,697 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:26,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/86d1421e5/a2120b57c798461ebab2eb7e928cfd20/FLAGa9295d4b0 [2019-10-22 11:26:27,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/86d1421e5/a2120b57c798461ebab2eb7e928cfd20 [2019-10-22 11:26:27,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:27,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:27,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:27,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:27,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:27,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2622d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27, skipping insertion in model container [2019-10-22 11:26:27,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:27,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:27,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:27,476 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:27,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:27,574 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:27,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27 WrapperNode [2019-10-22 11:26:27,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:27,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:27,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:27,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:27,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:27,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:27,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:27,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:27,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... [2019-10-22 11:26:27,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:27,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:27,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:27,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:27,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 [2019-10-22 11:26:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:26:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:26:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:26:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:26:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:27,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:27,736 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:26:27,937 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-10-22 11:26:28,033 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-10-22 11:26:28,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:28,101 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-22 11:26:28,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:28 BoogieIcfgContainer [2019-10-22 11:26:28,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:28,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:28,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:28,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:28,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:27" (1/3) ... [2019-10-22 11:26:28,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71df9cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:28, skipping insertion in model container [2019-10-22 11:26:28,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:27" (2/3) ... [2019-10-22 11:26:28,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71df9cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:28, skipping insertion in model container [2019-10-22 11:26:28,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:28" (3/3) ... [2019-10-22 11:26:28,111 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:28,141 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,141 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,141 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,141 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,142 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,142 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,142 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,142 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,143 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,144 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,144 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,144 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,144 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,145 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,145 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,145 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,145 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,145 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,146 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,146 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,146 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,146 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:28,150 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:26:28,151 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:28,159 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:28,171 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:28,190 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:28,190 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:28,190 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:28,190 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:28,191 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:28,191 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:28,191 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:28,191 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:28,201 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 80 transitions [2019-10-22 11:26:28,215 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:26:28,221 INFO L168 Benchmark]: Toolchain (without parser) took 1187.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:28,221 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:28,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:28,222 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:28,223 INFO L168 Benchmark]: Boogie Preprocessor took 33.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:28,224 INFO L168 Benchmark]: RCFGBuilder took 437.81 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:28,224 INFO L168 Benchmark]: TraceAbstraction took 115.14 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:28,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.44 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 437.81 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.14 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: 10.7 MB). Peak memory consumption was 10.7 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:30,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:30,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:30,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:30,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:30,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:30,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:30,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:30,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:30,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:30,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:30,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:30,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:30,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:30,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:30,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:30,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:30,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:30,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:30,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:30,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:30,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:30,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:30,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:30,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:30,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:30,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:30,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:30,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:30,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:30,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:30,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:30,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:30,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:30,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:30,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:30,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:30,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:30,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:30,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:30,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:30,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:26:30,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:30,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:30,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:30,525 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:30,525 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:30,525 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:30,525 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:30,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:30,526 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:30,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:30,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:26:30,527 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:26:30,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:30,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:30,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:26:30,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:30,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:30,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:30,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:30,529 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:26:30,530 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:26:30,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:30,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:30,531 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 -> 219d6b9593945d8bc2315cfe0cf7d7af877793ba [2019-10-22 11:26:30,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:30,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:30,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:30,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:30,585 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:30,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:30,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/db41cc1ea/576cf57b5cda4f72a23cde1997ab753e/FLAGd146b0289 [2019-10-22 11:26:31,125 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:31,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:31,139 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/db41cc1ea/576cf57b5cda4f72a23cde1997ab753e/FLAGd146b0289 [2019-10-22 11:26:31,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/utaipan/data/db41cc1ea/576cf57b5cda4f72a23cde1997ab753e [2019-10-22 11:26:31,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:31,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:31,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:31,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:31,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:31,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:31" (1/1) ... [2019-10-22 11:26:31,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40101a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:31, skipping insertion in model container [2019-10-22 11:26:31,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:31" (1/1) ... [2019-10-22 11:26:31,455 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:31,491 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:31,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:31,973 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:32,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:32,097 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:32,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32 WrapperNode [2019-10-22 11:26:32,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:32,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:32,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:32,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:32,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:32,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:32,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:32,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:32,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... [2019-10-22 11:26:32,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:32,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:32,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:32,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:32,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a44622e-af80-4383-bfb5-20a38d407370/bin/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 [2019-10-22 11:26:32,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:26:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:26:32,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:26:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:32,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:26:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:26:32,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:32,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:32,257 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:26:32,437 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-10-22 11:26:32,547 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_fetch_and_inc_returnLabel [2019-10-22 11:26:32,617 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:32,617 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-22 11:26:32,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:32 BoogieIcfgContainer [2019-10-22 11:26:32,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:32,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:32,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:32,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:32,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:31" (1/3) ... [2019-10-22 11:26:32,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee009f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:32, skipping insertion in model container [2019-10-22 11:26:32,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:32" (2/3) ... [2019-10-22 11:26:32,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee009f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:32, skipping insertion in model container [2019-10-22 11:26:32,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:32" (3/3) ... [2019-10-22 11:26:32,625 INFO L109 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2019-10-22 11:26:32,669 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,671 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,672 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,672 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,672 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,672 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,672 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,673 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,674 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,674 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,674 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,674 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,675 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,675 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,675 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,678 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,679 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,680 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,681 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,682 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,682 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,682 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:26:32,695 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:26:32,695 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:32,702 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:32,710 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:32,731 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:32,732 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:32,732 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:32,732 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:32,732 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:32,732 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:32,732 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:32,732 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:32,745 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 67 places, 79 transitions [2019-10-22 11:26:32,757 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:26:32,765 INFO L168 Benchmark]: Toolchain (without parser) took 1324.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:32,766 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:32,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:32,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:32,767 INFO L168 Benchmark]: Boogie Preprocessor took 50.02 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. [2019-10-22 11:26:32,768 INFO L168 Benchmark]: RCFGBuilder took 425.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:32,768 INFO L168 Benchmark]: TraceAbstraction took 144.47 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. [2019-10-22 11:26:32,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.89 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 50.02 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. * RCFGBuilder took 425.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.47 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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...