./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 705751e283da1212468c8fcd6c0544284571103c .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 705751e283da1212468c8fcd6c0544284571103c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:45:51,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:45:51,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:45:51,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:45:51,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:45:51,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:45:51,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:45:51,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:45:51,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:45:51,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:45:51,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:45:51,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:45:51,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:45:51,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:45:51,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:45:51,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:45:51,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:45:51,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:45:51,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:45:51,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:45:51,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:45:51,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:45:51,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:45:51,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:45:51,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:45:51,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:45:51,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:45:51,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:45:51,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:45:51,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:45:51,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:45:51,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:45:51,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:45:51,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:45:51,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:45:51,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:45:51,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:45:51,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:45:51,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:45:51,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:45:51,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:45:51,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:45:51,308 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:45:51,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:45:51,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:45:51,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:45:51,311 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:45:51,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:45:51,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:45:51,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:45:51,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:45:51,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:45:51,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:45:51,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:45:51,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:45:51,313 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:45:51,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:45:51,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:45:51,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:45:51,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:45:51,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:45:51,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:45:51,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:45:51,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:45:51,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:45:51,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 705751e283da1212468c8fcd6c0544284571103c [2021-07-05 15:45:51,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:45:51,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:45:51,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:45:51,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:45:51,610 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:45:51,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i [2021-07-05 15:45:51,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be77ca919/24ca7df3cfb74699a2a68e04cb234591/FLAG64d02ac41 [2021-07-05 15:45:52,080 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:45:52,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i [2021-07-05 15:45:52,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be77ca919/24ca7df3cfb74699a2a68e04cb234591/FLAG64d02ac41 [2021-07-05 15:45:52,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be77ca919/24ca7df3cfb74699a2a68e04cb234591 [2021-07-05 15:45:52,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:45:52,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:45:52,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:45:52,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:45:52,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:45:52,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031d1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52, skipping insertion in model container [2021-07-05 15:45:52,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:45:52,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:45:52,320 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-07-05 15:45:52,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:45:52,499 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:45:52,508 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-07-05 15:45:52,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:45:52,605 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:45:52,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52 WrapperNode [2021-07-05 15:45:52,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:45:52,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:45:52,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:45:52,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:45:52,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:45:52,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:45:52,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:45:52,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:45:52,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:45:52,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:45:52,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:45:52,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:45:52,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (1/1) ... [2021-07-05 15:45:52,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:45:52,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:45:52,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:45:52,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:45:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:45:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-05 15:45:52,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-05 15:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:45:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:45:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:45:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:45:52,763 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:45:54,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:45:54,013 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:45:54,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:45:54 BoogieIcfgContainer [2021-07-05 15:45:54,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:45:54,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:45:54,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:45:54,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:45:54,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:45:52" (1/3) ... [2021-07-05 15:45:54,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fb63c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:45:54, skipping insertion in model container [2021-07-05 15:45:54,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:45:52" (2/3) ... [2021-07-05 15:45:54,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fb63c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:45:54, skipping insertion in model container [2021-07-05 15:45:54,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:45:54" (3/3) ... [2021-07-05 15:45:54,019 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_rmo.opt.i [2021-07-05 15:45:54,024 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:45:54,024 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:45:54,025 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:45:54,025 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:45:54,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,046 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,048 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,052 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,056 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,057 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,058 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,059 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,061 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,062 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,062 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:45:54,064 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:45:54,089 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:45:54,092 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:45:54,093 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:45:54,113 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:45:54,119 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 105 transitions, 225 flow [2021-07-05 15:45:54,121 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 105 transitions, 225 flow [2021-07-05 15:45:54,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow [2021-07-05 15:45:54,142 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-07-05 15:45:54,142 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:45:54,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2021-07-05 15:45:54,146 INFO L116 LiptonReduction]: Number of co-enabled transitions 1734 [2021-07-05 15:45:55,050 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-07-05 15:45:55,446 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-07-05 15:45:55,560 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-05 15:45:57,549 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-07-05 15:45:57,808 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-07-05 15:45:59,021 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-07-05 15:45:59,567 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-05 15:46:00,484 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-05 15:46:00,774 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-05 15:46:01,361 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2021-07-05 15:46:01,943 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2021-07-05 15:46:02,220 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-05 15:46:02,480 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-05 15:46:03,580 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2021-07-05 15:46:04,176 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-05 15:46:05,373 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-07-05 15:46:05,660 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-07-05 15:46:07,117 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-05 15:46:07,866 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-07-05 15:46:08,143 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-07-05 15:46:08,263 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-05 15:46:08,537 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-07-05 15:46:08,661 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-07-05 15:46:08,740 INFO L131 LiptonReduction]: Checked pairs total: 4062 [2021-07-05 15:46:08,740 INFO L133 LiptonReduction]: Total number of compositions: 91 [2021-07-05 15:46:08,745 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2021-07-05 15:46:08,773 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 650 states, 646 states have (on average 3.1393188854489162) internal successors, (2028), 649 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:46:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 646 states have (on average 3.1393188854489162) internal successors, (2028), 649 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:46:08,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:46:08,798 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:46:08,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:46:08,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:46:08,807 INFO L168 Benchmark]: Toolchain (without parser) took 16690.29 ms. Allocated memory was 67.1 MB in the beginning and 251.7 MB in the end (delta: 184.5 MB). Free memory was 45.6 MB in the beginning and 143.0 MB in the end (delta: -97.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,807 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:46:08,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.93 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 63.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 86.0 MB. Free memory was 63.9 MB in the beginning and 61.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,813 INFO L168 Benchmark]: Boogie Preprocessor took 30.42 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 58.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,814 INFO L168 Benchmark]: RCFGBuilder took 1323.31 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 58.6 MB in the beginning and 50.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,815 INFO L168 Benchmark]: TraceAbstraction took 14790.43 ms. Allocated memory was 109.1 MB in the beginning and 251.7 MB in the end (delta: 142.6 MB). Free memory was 50.4 MB in the beginning and 143.0 MB in the end (delta: -92.6 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:08,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 67.1 MB. Free memory is still 48.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.93 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 45.5 MB in the beginning and 63.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.00 ms. Allocated memory is still 86.0 MB. Free memory was 63.9 MB in the beginning and 61.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.42 ms. Allocated memory is still 86.0 MB. Free memory was 61.1 MB in the beginning and 58.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1323.31 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 58.6 MB in the beginning and 50.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14790.43 ms. Allocated memory was 109.1 MB in the beginning and 251.7 MB in the end (delta: 142.6 MB). Free memory was 50.4 MB in the beginning and 143.0 MB in the end (delta: -92.6 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14619.3ms, 113 PlacesBefore, 35 PlacesAfterwards, 105 TransitionsBefore, 25 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 91 TotalNumberOfCompositions, 4062 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2163, positive: 2025, positive conditional: 0, positive unconditional: 2025, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1264, positive: 1208, positive conditional: 0, positive unconditional: 1208, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1264, positive: 1186, positive conditional: 0, positive unconditional: 1186, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 901, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 766, negative conditional: 0, negative unconditional: 766, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2163, positive: 817, positive conditional: 0, positive unconditional: 817, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 1264, unknown conditional: 0, unknown unconditional: 1264] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:46:08,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:46:10,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:46:10,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:46:10,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:46:10,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:46:10,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:46:10,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:46:10,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:46:10,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:46:10,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:46:10,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:46:10,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:46:10,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:46:10,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:46:10,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:46:10,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:46:10,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:46:10,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:46:10,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:46:10,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:46:10,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:46:10,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:46:10,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:46:10,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:46:10,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:46:10,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:46:10,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:46:10,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:46:10,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:46:10,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:46:10,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:46:10,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:46:10,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:46:10,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:46:10,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:46:10,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:46:10,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:46:10,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:46:10,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:46:10,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:46:10,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:46:10,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:46:10,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:46:10,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:46:10,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:46:10,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:46:10,483 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:46:10,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:46:10,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:46:10,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:46:10,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:46:10,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:46:10,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:46:10,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:46:10,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:46:10,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:46:10,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:46:10,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:46:10,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:46:10,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:46:10,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:46:10,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:46:10,487 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 705751e283da1212468c8fcd6c0544284571103c [2021-07-05 15:46:10,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:46:10,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:46:10,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:46:10,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:46:10,753 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:46:10,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i [2021-07-05 15:46:10,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98871d681/d757646263df4f05adae1e67b5907de5/FLAG3d8bb65d7 [2021-07-05 15:46:11,231 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:46:11,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i [2021-07-05 15:46:11,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98871d681/d757646263df4f05adae1e67b5907de5/FLAG3d8bb65d7 [2021-07-05 15:46:11,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98871d681/d757646263df4f05adae1e67b5907de5 [2021-07-05 15:46:11,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:46:11,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:46:11,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:46:11,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:46:11,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:46:11,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e072fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11, skipping insertion in model container [2021-07-05 15:46:11,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:46:11,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:46:11,466 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-07-05 15:46:11,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:46:11,682 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:46:11,691 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-07-05 15:46:11,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:46:11,786 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:46:11,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11 WrapperNode [2021-07-05 15:46:11,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:46:11,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:46:11,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:46:11,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:46:11,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:46:11,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:46:11,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:46:11,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:46:11,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:46:11,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:46:11,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:46:11,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:46:11,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (1/1) ... [2021-07-05 15:46:11,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:46:11,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:46:11,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:46:11,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:46:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-05 15:46:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:46:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:46:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-05 15:46:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-05 15:46:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-05 15:46:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-05 15:46:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:46:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:46:11,938 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:46:13,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:46:13,252 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-05 15:46:13,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:46:13 BoogieIcfgContainer [2021-07-05 15:46:13,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:46:13,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:46:13,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:46:13,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:46:13,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:46:11" (1/3) ... [2021-07-05 15:46:13,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69193fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:46:13, skipping insertion in model container [2021-07-05 15:46:13,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:46:11" (2/3) ... [2021-07-05 15:46:13,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69193fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:46:13, skipping insertion in model container [2021-07-05 15:46:13,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:46:13" (3/3) ... [2021-07-05 15:46:13,258 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_rmo.opt.i [2021-07-05 15:46:13,263 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:46:13,264 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:46:13,264 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 15:46:13,264 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:46:13,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,284 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,285 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,286 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,287 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,288 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,290 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,295 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,296 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,297 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,306 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,307 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,310 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:46:13,316 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-05 15:46:13,342 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:46:13,346 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:46:13,346 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:46:13,354 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:46:13,360 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 106 transitions, 227 flow [2021-07-05 15:46:13,361 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 106 transitions, 227 flow [2021-07-05 15:46:13,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 106 transitions, 227 flow [2021-07-05 15:46:13,383 INFO L129 PetriNetUnfolder]: 2/103 cut-off events. [2021-07-05 15:46:13,384 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-07-05 15:46:13,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 2/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2021-07-05 15:46:13,388 INFO L116 LiptonReduction]: Number of co-enabled transitions 1734 [2021-07-05 15:46:14,713 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-07-05 15:46:15,076 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-07-05 15:46:15,220 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-05 15:46:15,604 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-05 15:46:15,763 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-05 15:46:18,651 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 181 [2021-07-05 15:46:19,095 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-05 15:46:20,914 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 303 DAG size of output: 261 [2021-07-05 15:46:21,762 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-05 15:46:22,736 WARN L205 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 184 [2021-07-05 15:46:23,184 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-07-05 15:46:25,072 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 306 DAG size of output: 264 [2021-07-05 15:46:25,977 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2021-07-05 15:46:27,725 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 233 DAG size of output: 195 [2021-07-05 15:46:28,179 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-07-05 15:46:30,196 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 317 DAG size of output: 275 [2021-07-05 15:46:31,128 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-05 15:46:32,096 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-07-05 15:46:32,613 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-07-05 15:46:34,654 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 278 DAG size of output: 277 [2021-07-05 15:46:35,582 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2021-07-05 15:46:35,866 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-05 15:46:36,123 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-05 15:46:36,422 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-05 15:46:36,715 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-05 15:46:36,949 INFO L131 LiptonReduction]: Checked pairs total: 4042 [2021-07-05 15:46:36,949 INFO L133 LiptonReduction]: Total number of compositions: 95 [2021-07-05 15:46:36,955 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 65 flow [2021-07-05 15:46:36,983 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 650 states, 646 states have (on average 3.1393188854489162) internal successors, (2028), 649 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:46:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 650 states, 646 states have (on average 3.1393188854489162) internal successors, (2028), 649 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:46:36,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:46:37,002 INFO L374 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:46:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:46:37,005 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:46:37,007 INFO L168 Benchmark]: Toolchain (without parser) took 25739.32 ms. Allocated memory was 56.6 MB in the beginning and 211.8 MB in the end (delta: 155.2 MB). Free memory was 34.4 MB in the beginning and 120.6 MB in the end (delta: -86.2 MB). Peak memory consumption was 68.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,007 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:46:37,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.07 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.1 MB in the beginning and 46.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 43.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,008 INFO L168 Benchmark]: Boogie Preprocessor took 38.58 ms. Allocated memory is still 69.2 MB. Free memory was 43.3 MB in the beginning and 41.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,009 INFO L168 Benchmark]: RCFGBuilder took 1383.82 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 40.8 MB in the beginning and 51.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,009 INFO L168 Benchmark]: TraceAbstraction took 23751.95 ms. Allocated memory was 100.7 MB in the beginning and 211.8 MB in the end (delta: 111.1 MB). Free memory was 50.5 MB in the beginning and 120.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2021-07-05 15:46:37,011 INFO L339 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 56.6 MB. Free memory is still 39.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.07 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.1 MB in the beginning and 46.3 MB in the end (delta: -12.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 69.2 MB. Free memory was 46.3 MB in the beginning and 43.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.58 ms. Allocated memory is still 69.2 MB. Free memory was 43.3 MB in the beginning and 41.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1383.82 ms. Allocated memory was 69.2 MB in the beginning and 100.7 MB in the end (delta: 31.5 MB). Free memory was 40.8 MB in the beginning and 51.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23751.95 ms. Allocated memory was 100.7 MB in the beginning and 211.8 MB in the end (delta: 111.1 MB). Free memory was 50.5 MB in the beginning and 120.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23587.8ms, 114 PlacesBefore, 35 PlacesAfterwards, 106 TransitionsBefore, 25 TransitionsAfterwards, 1734 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 95 TotalNumberOfCompositions, 4042 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2117, positive: 1980, positive conditional: 0, positive unconditional: 1980, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1278, positive: 1222, positive conditional: 0, positive unconditional: 1222, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1278, positive: 1210, positive conditional: 0, positive unconditional: 1210, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1207, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 1126, negative conditional: 0, negative unconditional: 1126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2117, positive: 758, positive conditional: 0, positive unconditional: 758, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 1278, unknown conditional: 0, unknown unconditional: 1278] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 77, Positive conditional cache size: 0, Positive unconditional cache size: 77, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:46:37,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...