./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be --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 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:30:23,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:30:23,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:30:23,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:30:23,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:30:23,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:30:23,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:30:23,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:30:23,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:30:23,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:30:23,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:30:23,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:30:23,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:30:23,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:30:23,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:30:23,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:30:23,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:30:23,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:30:23,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:30:23,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:30:23,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:30:23,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:30:23,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:30:23,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:30:23,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:30:23,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:30:23,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:30:23,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:30:23,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:30:23,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:30:23,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:30:23,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:30:23,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:30:23,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:30:23,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:30:23,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:30:23,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:30:23,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:30:23,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:30:23,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:30:23,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:30:23,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:30:23,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:30:23,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:30:23,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:30:23,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:30:23,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:30:23,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:30:23,364 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:30:23,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:30:23,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:30:23,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:30:23,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:30:23,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:30:23,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:30:23,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:30:23,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:30:23,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:30:23,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:30:23,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:30:23,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:30:23,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:30:23,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:30:23,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:30:23,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:30:23,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:30:23,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:30:23,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:30:23,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:30:23,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:30:23,369 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:30:23,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:30:23,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:30:23,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:30:23,370 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2021-10-21 20:30:23,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:30:23,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:30:23,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:30:23,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:30:23,721 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:30:23,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-10-21 20:30:23,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/data/df3ca2201/9355b1a823ec406d8843bd741fd1a1de/FLAG95b1cec26 [2021-10-21 20:30:24,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:30:24,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-10-21 20:30:24,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/data/df3ca2201/9355b1a823ec406d8843bd741fd1a1de/FLAG95b1cec26 [2021-10-21 20:30:24,654 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/data/df3ca2201/9355b1a823ec406d8843bd741fd1a1de [2021-10-21 20:30:24,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:30:24,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:30:24,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:30:24,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:30:24,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:30:24,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:30:24" (1/1) ... [2021-10-21 20:30:24,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7ce48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:24, skipping insertion in model container [2021-10-21 20:30:24,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:30:24" (1/1) ... [2021-10-21 20:30:24,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:30:24,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:30:24,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-10-21 20:30:25,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:30:25,147 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:30:25,159 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-10-21 20:30:25,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:30:25,256 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:30:25,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25 WrapperNode [2021-10-21 20:30:25,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:30:25,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:30:25,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:30:25,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:30:25,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:30:25,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:30:25,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:30:25,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:30:25,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:30:25,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:30:25,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:30:25,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:30:25,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (1/1) ... [2021-10-21 20:30:25,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:30:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:30:25,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:30:25,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:30:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:30:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-21 20:30:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:30:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:30:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-21 20:30:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-21 20:30:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-21 20:30:25,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-21 20:30:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-21 20:30:25,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-21 20:30:25,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:30:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-21 20:30:25,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:30:25,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:30:25,434 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-21 20:30:27,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:30:27,378 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-21 20:30:27,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:27 BoogieIcfgContainer [2021-10-21 20:30:27,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:30:27,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:30:27,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:30:27,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:30:27,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:30:24" (1/3) ... [2021-10-21 20:30:27,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:30:27, skipping insertion in model container [2021-10-21 20:30:27,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:30:25" (2/3) ... [2021-10-21 20:30:27,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:30:27, skipping insertion in model container [2021-10-21 20:30:27,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:27" (3/3) ... [2021-10-21 20:30:27,410 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2021-10-21 20:30:27,415 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-21 20:30:27,415 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:30:27,416 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-21 20:30:27,416 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-21 20:30:27,465 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,466 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,466 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,467 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,475 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,476 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,477 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,478 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,479 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,480 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,481 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,483 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,484 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,485 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,486 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,490 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,501 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,509 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,510 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,511 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,512 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,517 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,517 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,518 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,518 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,518 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,519 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,519 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,519 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,523 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,524 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,527 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,528 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,531 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,532 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,533 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,535 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,536 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,537 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,538 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,539 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,547 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,553 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,554 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,555 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,560 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,560 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,561 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,561 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,562 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,564 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,565 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,565 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,566 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,583 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,583 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,590 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-21 20:30:27,592 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-21 20:30:27,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:30:27,656 INFO L339 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:30:27,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-21 20:30:27,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 109 transitions, 233 flow [2021-10-21 20:30:27,745 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2021-10-21 20:30:27,745 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:30:27,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-10-21 20:30:27,750 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 109 transitions, 233 flow [2021-10-21 20:30:27,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 106 transitions, 221 flow [2021-10-21 20:30:27,780 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2021-10-21 20:30:27,781 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:30:27,781 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:27,782 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:27,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:27,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:27,789 INFO L82 PathProgramCache]: Analyzing trace with hash -356639867, now seen corresponding path program 1 times [2021-10-21 20:30:27,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:27,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692482378] [2021-10-21 20:30:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:27,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:28,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:28,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692482378] [2021-10-21 20:30:28,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692482378] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:28,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:28,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:30:28,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174010422] [2021-10-21 20:30:28,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:30:28,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:28,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:30:28,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:30:28,157 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 109 [2021-10-21 20:30:28,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-21 20:30:28,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:28,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 109 [2021-10-21 20:30:28,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:28,256 INFO L129 PetriNetUnfolder]: 13/172 cut-off events. [2021-10-21 20:30:28,256 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:30:28,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 172 events. 13/172 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 400 event pairs, 5 based on Foata normal form. 6/168 useless extension candidates. Maximal degree in co-relation 162. Up to 25 conditions per place. [2021-10-21 20:30:28,259 INFO L132 encePairwiseOnDemand]: 104/109 looper letters, 6 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2021-10-21 20:30:28,260 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 104 transitions, 233 flow [2021-10-21 20:30:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:30:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-21 20:30:28,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2021-10-21 20:30:28,273 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9480122324159022 [2021-10-21 20:30:28,273 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2021-10-21 20:30:28,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2021-10-21 20:30:28,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:28,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2021-10-21 20:30:28,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2021-10-21 20:30:28,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2021-10-21 20:30:28,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2021-10-21 20:30:28,290 INFO L186 Difference]: Start difference. First operand has 114 places, 106 transitions, 221 flow. Second operand 3 states and 310 transitions. [2021-10-21 20:30:28,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 104 transitions, 233 flow [2021-10-21 20:30:28,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 104 transitions, 230 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-10-21 20:30:28,297 INFO L242 Difference]: Finished difference. Result has 111 places, 102 transitions, 214 flow [2021-10-21 20:30:28,299 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=111, PETRI_TRANSITIONS=102} [2021-10-21 20:30:28,300 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, -3 predicate places. [2021-10-21 20:30:28,300 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 102 transitions, 214 flow [2021-10-21 20:30:28,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-10-21 20:30:28,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:28,301 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:28,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:30:28,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:28,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1513499936, now seen corresponding path program 1 times [2021-10-21 20:30:28,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:28,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559191961] [2021-10-21 20:30:28,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:28,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:28,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:28,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559191961] [2021-10-21 20:30:28,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559191961] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:28,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:28,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:30:28,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078146059] [2021-10-21 20:30:28,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:30:28,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:28,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:30:28,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:30:28,605 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 109 [2021-10-21 20:30:28,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 102 transitions, 214 flow. Second operand has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 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) [2021-10-21 20:30:28,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:28,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 109 [2021-10-21 20:30:28,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:29,195 INFO L129 PetriNetUnfolder]: 433/1363 cut-off events. [2021-10-21 20:30:29,195 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-21 20:30:29,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2100 conditions, 1363 events. 433/1363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9967 event pairs, 97 based on Foata normal form. 0/1318 useless extension candidates. Maximal degree in co-relation 2046. Up to 226 conditions per place. [2021-10-21 20:30:29,206 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 21 selfloop transitions, 6 changer transitions 61/163 dead transitions. [2021-10-21 20:30:29,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 163 transitions, 494 flow [2021-10-21 20:30:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:30:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-21 20:30:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1226 transitions. [2021-10-21 20:30:29,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8652081863091038 [2021-10-21 20:30:29,214 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1226 transitions. [2021-10-21 20:30:29,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1226 transitions. [2021-10-21 20:30:29,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:29,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1226 transitions. [2021-10-21 20:30:29,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.3076923076923) internal successors, (1226), 13 states have internal predecessors, (1226), 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) [2021-10-21 20:30:29,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-10-21 20:30:29,227 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-10-21 20:30:29,227 INFO L186 Difference]: Start difference. First operand has 111 places, 102 transitions, 214 flow. Second operand 13 states and 1226 transitions. [2021-10-21 20:30:29,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 163 transitions, 494 flow [2021-10-21 20:30:29,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 163 transitions, 490 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-21 20:30:29,233 INFO L242 Difference]: Finished difference. Result has 133 places, 96 transitions, 276 flow [2021-10-21 20:30:29,234 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=276, PETRI_PLACES=133, PETRI_TRANSITIONS=96} [2021-10-21 20:30:29,234 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 19 predicate places. [2021-10-21 20:30:29,234 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 96 transitions, 276 flow [2021-10-21 20:30:29,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.57142857142857) internal successors, (627), 7 states have internal predecessors, (627), 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) [2021-10-21 20:30:29,235 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:29,235 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:29,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:30:29,236 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:29,237 INFO L82 PathProgramCache]: Analyzing trace with hash -682151120, now seen corresponding path program 1 times [2021-10-21 20:30:29,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:29,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036470657] [2021-10-21 20:30:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:29,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:29,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:29,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036470657] [2021-10-21 20:30:29,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036470657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:29,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:29,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:30:29,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217818057] [2021-10-21 20:30:29,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:30:29,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:30:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:30:29,387 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 109 [2021-10-21 20:30:29,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 96 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 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) [2021-10-21 20:30:29,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:29,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 109 [2021-10-21 20:30:29,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:29,616 INFO L129 PetriNetUnfolder]: 101/420 cut-off events. [2021-10-21 20:30:29,619 INFO L130 PetriNetUnfolder]: For 846/904 co-relation queries the response was YES. [2021-10-21 20:30:29,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 420 events. 101/420 cut-off events. For 846/904 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2214 event pairs, 62 based on Foata normal form. 26/429 useless extension candidates. Maximal degree in co-relation 1125. Up to 132 conditions per place. [2021-10-21 20:30:29,625 INFO L132 encePairwiseOnDemand]: 103/109 looper letters, 6 selfloop transitions, 3 changer transitions 13/109 dead transitions. [2021-10-21 20:30:29,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 109 transitions, 410 flow [2021-10-21 20:30:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:30:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 20:30:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 893 transitions. [2021-10-21 20:30:29,629 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910295616717635 [2021-10-21 20:30:29,629 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 893 transitions. [2021-10-21 20:30:29,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 893 transitions. [2021-10-21 20:30:29,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:29,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 893 transitions. [2021-10-21 20:30:29,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.22222222222223) internal successors, (893), 9 states have internal predecessors, (893), 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) [2021-10-21 20:30:29,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-10-21 20:30:29,638 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-10-21 20:30:29,638 INFO L186 Difference]: Start difference. First operand has 133 places, 96 transitions, 276 flow. Second operand 9 states and 893 transitions. [2021-10-21 20:30:29,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 109 transitions, 410 flow [2021-10-21 20:30:29,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 109 transitions, 380 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-10-21 20:30:29,653 INFO L242 Difference]: Finished difference. Result has 125 places, 96 transitions, 285 flow [2021-10-21 20:30:29,653 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=285, PETRI_PLACES=125, PETRI_TRANSITIONS=96} [2021-10-21 20:30:29,653 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 11 predicate places. [2021-10-21 20:30:29,654 INFO L470 AbstractCegarLoop]: Abstraction has has 125 places, 96 transitions, 285 flow [2021-10-21 20:30:29,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 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) [2021-10-21 20:30:29,654 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:29,655 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:29,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:30:29,655 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:29,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:29,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1098764103, now seen corresponding path program 1 times [2021-10-21 20:30:29,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:29,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553117956] [2021-10-21 20:30:29,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:29,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:29,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:29,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553117956] [2021-10-21 20:30:29,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553117956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:29,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:29,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:30:29,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180685312] [2021-10-21 20:30:29,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:30:29,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:30:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:30:29,930 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-10-21 20:30:29,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 96 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-10-21 20:30:29,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:29,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-10-21 20:30:29,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:30,247 INFO L129 PetriNetUnfolder]: 458/1214 cut-off events. [2021-10-21 20:30:30,247 INFO L130 PetriNetUnfolder]: For 554/582 co-relation queries the response was YES. [2021-10-21 20:30:30,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2519 conditions, 1214 events. 458/1214 cut-off events. For 554/582 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 9124 event pairs, 48 based on Foata normal form. 0/1083 useless extension candidates. Maximal degree in co-relation 2452. Up to 309 conditions per place. [2021-10-21 20:30:30,265 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 24 selfloop transitions, 17 changer transitions 0/126 dead transitions. [2021-10-21 20:30:30,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 126 transitions, 427 flow [2021-10-21 20:30:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 20:30:30,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-21 20:30:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 993 transitions. [2021-10-21 20:30:30,270 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9110091743119266 [2021-10-21 20:30:30,270 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 993 transitions. [2021-10-21 20:30:30,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 993 transitions. [2021-10-21 20:30:30,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:30,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 993 transitions. [2021-10-21 20:30:30,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.3) internal successors, (993), 10 states have internal predecessors, (993), 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) [2021-10-21 20:30:30,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 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) [2021-10-21 20:30:30,278 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 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) [2021-10-21 20:30:30,278 INFO L186 Difference]: Start difference. First operand has 125 places, 96 transitions, 285 flow. Second operand 10 states and 993 transitions. [2021-10-21 20:30:30,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 126 transitions, 427 flow [2021-10-21 20:30:30,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 126 transitions, 403 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-10-21 20:30:30,287 INFO L242 Difference]: Finished difference. Result has 123 places, 111 transitions, 381 flow [2021-10-21 20:30:30,287 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=381, PETRI_PLACES=123, PETRI_TRANSITIONS=111} [2021-10-21 20:30:30,287 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 9 predicate places. [2021-10-21 20:30:30,288 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 111 transitions, 381 flow [2021-10-21 20:30:30,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-10-21 20:30:30,288 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:30,288 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:30,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:30:30,289 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:30,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:30,289 INFO L82 PathProgramCache]: Analyzing trace with hash -173678150, now seen corresponding path program 1 times [2021-10-21 20:30:30,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:30,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427189417] [2021-10-21 20:30:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:30,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:30,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:30,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427189417] [2021-10-21 20:30:30,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427189417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:30,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:30,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:30:30,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732143412] [2021-10-21 20:30:30,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:30:30,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:30,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:30:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:30:30,526 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-10-21 20:30:30,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 111 transitions, 381 flow. Second operand has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-10-21 20:30:30,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:30,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-10-21 20:30:30,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:30,863 INFO L129 PetriNetUnfolder]: 406/1138 cut-off events. [2021-10-21 20:30:30,863 INFO L130 PetriNetUnfolder]: For 2476/3192 co-relation queries the response was YES. [2021-10-21 20:30:30,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3798 conditions, 1138 events. 406/1138 cut-off events. For 2476/3192 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8845 event pairs, 12 based on Foata normal form. 159/1203 useless extension candidates. Maximal degree in co-relation 3733. Up to 413 conditions per place. [2021-10-21 20:30:30,881 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 20 selfloop transitions, 32 changer transitions 9/146 dead transitions. [2021-10-21 20:30:30,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 146 transitions, 727 flow [2021-10-21 20:30:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 20:30:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-21 20:30:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1292 transitions. [2021-10-21 20:30:30,886 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9117854622441779 [2021-10-21 20:30:30,886 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1292 transitions. [2021-10-21 20:30:30,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1292 transitions. [2021-10-21 20:30:30,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:30,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1292 transitions. [2021-10-21 20:30:30,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 99.38461538461539) internal successors, (1292), 13 states have internal predecessors, (1292), 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) [2021-10-21 20:30:30,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-10-21 20:30:30,897 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-10-21 20:30:30,897 INFO L186 Difference]: Start difference. First operand has 123 places, 111 transitions, 381 flow. Second operand 13 states and 1292 transitions. [2021-10-21 20:30:30,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 146 transitions, 727 flow [2021-10-21 20:30:30,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 146 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-21 20:30:30,907 INFO L242 Difference]: Finished difference. Result has 138 places, 131 transitions, 622 flow [2021-10-21 20:30:30,907 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=622, PETRI_PLACES=138, PETRI_TRANSITIONS=131} [2021-10-21 20:30:30,908 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 24 predicate places. [2021-10-21 20:30:30,908 INFO L470 AbstractCegarLoop]: Abstraction has has 138 places, 131 transitions, 622 flow [2021-10-21 20:30:30,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-10-21 20:30:30,909 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:30,909 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:30,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:30:30,909 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:30,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:30,910 INFO L82 PathProgramCache]: Analyzing trace with hash -876050759, now seen corresponding path program 1 times [2021-10-21 20:30:30,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:30,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857687063] [2021-10-21 20:30:30,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:30,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:31,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:31,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857687063] [2021-10-21 20:30:31,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857687063] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:31,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:31,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 20:30:31,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593837160] [2021-10-21 20:30:31,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:30:31,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:31,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:30:31,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:30:31,128 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-10-21 20:30:31,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 131 transitions, 622 flow. Second operand has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-10-21 20:30:31,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:31,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-10-21 20:30:31,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:31,550 INFO L129 PetriNetUnfolder]: 334/1027 cut-off events. [2021-10-21 20:30:31,550 INFO L130 PetriNetUnfolder]: For 4198/5428 co-relation queries the response was YES. [2021-10-21 20:30:31,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4130 conditions, 1027 events. 334/1027 cut-off events. For 4198/5428 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 8304 event pairs, 4 based on Foata normal form. 174/1108 useless extension candidates. Maximal degree in co-relation 4059. Up to 339 conditions per place. [2021-10-21 20:30:31,569 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 16 selfloop transitions, 36 changer transitions 20/157 dead transitions. [2021-10-21 20:30:31,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 157 transitions, 940 flow [2021-10-21 20:30:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 20:30:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-10-21 20:30:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1576 transitions. [2021-10-21 20:30:31,575 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9036697247706422 [2021-10-21 20:30:31,576 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1576 transitions. [2021-10-21 20:30:31,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1576 transitions. [2021-10-21 20:30:31,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:31,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1576 transitions. [2021-10-21 20:30:31,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 98.5) internal successors, (1576), 16 states have internal predecessors, (1576), 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) [2021-10-21 20:30:31,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 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) [2021-10-21 20:30:31,590 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 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) [2021-10-21 20:30:31,590 INFO L186 Difference]: Start difference. First operand has 138 places, 131 transitions, 622 flow. Second operand 16 states and 1576 transitions. [2021-10-21 20:30:31,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 157 transitions, 940 flow [2021-10-21 20:30:31,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 157 transitions, 779 flow, removed 65 selfloop flow, removed 8 redundant places. [2021-10-21 20:30:31,643 INFO L242 Difference]: Finished difference. Result has 152 places, 131 transitions, 611 flow [2021-10-21 20:30:31,644 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=611, PETRI_PLACES=152, PETRI_TRANSITIONS=131} [2021-10-21 20:30:31,644 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 38 predicate places. [2021-10-21 20:30:31,644 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 131 transitions, 611 flow [2021-10-21 20:30:31,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-10-21 20:30:31,645 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:31,645 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:31,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:30:31,646 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:31,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:31,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1790240221, now seen corresponding path program 1 times [2021-10-21 20:30:31,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:31,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856025794] [2021-10-21 20:30:31,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:31,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:31,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:31,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856025794] [2021-10-21 20:30:31,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856025794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:31,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:31,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:30:31,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917533969] [2021-10-21 20:30:31,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:30:31,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:30:31,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:30:31,880 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 109 [2021-10-21 20:30:31,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 131 transitions, 611 flow. Second operand has 7 states, 7 states have (on average 88.71428571428571) internal successors, (621), 7 states have internal predecessors, (621), 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) [2021-10-21 20:30:31,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:31,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 109 [2021-10-21 20:30:31,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:32,227 INFO L129 PetriNetUnfolder]: 311/1382 cut-off events. [2021-10-21 20:30:32,228 INFO L130 PetriNetUnfolder]: For 2726/2987 co-relation queries the response was YES. [2021-10-21 20:30:32,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4019 conditions, 1382 events. 311/1382 cut-off events. For 2726/2987 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 13262 event pairs, 10 based on Foata normal form. 4/1294 useless extension candidates. Maximal degree in co-relation 3952. Up to 145 conditions per place. [2021-10-21 20:30:32,249 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 20 selfloop transitions, 18 changer transitions 4/150 dead transitions. [2021-10-21 20:30:32,249 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 150 transitions, 801 flow [2021-10-21 20:30:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 20:30:32,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-21 20:30:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 726 transitions. [2021-10-21 20:30:32,253 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8325688073394495 [2021-10-21 20:30:32,253 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 726 transitions. [2021-10-21 20:30:32,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 726 transitions. [2021-10-21 20:30:32,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:32,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 726 transitions. [2021-10-21 20:30:32,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 90.75) internal successors, (726), 8 states have internal predecessors, (726), 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) [2021-10-21 20:30:32,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 109.0) internal successors, (981), 9 states have internal predecessors, (981), 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) [2021-10-21 20:30:32,260 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 109.0) internal successors, (981), 9 states have internal predecessors, (981), 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) [2021-10-21 20:30:32,260 INFO L186 Difference]: Start difference. First operand has 152 places, 131 transitions, 611 flow. Second operand 8 states and 726 transitions. [2021-10-21 20:30:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 150 transitions, 801 flow [2021-10-21 20:30:32,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 684 flow, removed 34 selfloop flow, removed 14 redundant places. [2021-10-21 20:30:32,296 INFO L242 Difference]: Finished difference. Result has 148 places, 141 transitions, 662 flow [2021-10-21 20:30:32,297 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=662, PETRI_PLACES=148, PETRI_TRANSITIONS=141} [2021-10-21 20:30:32,297 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 34 predicate places. [2021-10-21 20:30:32,297 INFO L470 AbstractCegarLoop]: Abstraction has has 148 places, 141 transitions, 662 flow [2021-10-21 20:30:32,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 88.71428571428571) internal successors, (621), 7 states have internal predecessors, (621), 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) [2021-10-21 20:30:32,298 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:32,298 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:32,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:30:32,298 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:32,299 INFO L82 PathProgramCache]: Analyzing trace with hash -2080518239, now seen corresponding path program 2 times [2021-10-21 20:30:32,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:32,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828084251] [2021-10-21 20:30:32,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:32,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:32,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:32,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828084251] [2021-10-21 20:30:32,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828084251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:32,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:32,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-21 20:30:32,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253575067] [2021-10-21 20:30:32,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 20:30:32,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:32,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 20:30:32,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:30:32,544 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 109 [2021-10-21 20:30:32,545 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 141 transitions, 662 flow. Second operand has 8 states, 8 states have (on average 88.375) internal successors, (707), 8 states have internal predecessors, (707), 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) [2021-10-21 20:30:32,545 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:32,545 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 109 [2021-10-21 20:30:32,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:32,925 INFO L129 PetriNetUnfolder]: 410/1744 cut-off events. [2021-10-21 20:30:32,925 INFO L130 PetriNetUnfolder]: For 2384/2823 co-relation queries the response was YES. [2021-10-21 20:30:32,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4954 conditions, 1744 events. 410/1744 cut-off events. For 2384/2823 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 17781 event pairs, 8 based on Foata normal form. 16/1666 useless extension candidates. Maximal degree in co-relation 4928. Up to 197 conditions per place. [2021-10-21 20:30:32,945 INFO L132 encePairwiseOnDemand]: 93/109 looper letters, 14 selfloop transitions, 13 changer transitions 27/158 dead transitions. [2021-10-21 20:30:32,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 158 transitions, 870 flow [2021-10-21 20:30:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:30:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-21 20:30:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 816 transitions. [2021-10-21 20:30:32,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657 [2021-10-21 20:30:32,949 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 816 transitions. [2021-10-21 20:30:32,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 816 transitions. [2021-10-21 20:30:32,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:32,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 816 transitions. [2021-10-21 20:30:32,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 90.66666666666667) internal successors, (816), 9 states have internal predecessors, (816), 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) [2021-10-21 20:30:32,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-10-21 20:30:32,956 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-10-21 20:30:32,956 INFO L186 Difference]: Start difference. First operand has 148 places, 141 transitions, 662 flow. Second operand 9 states and 816 transitions. [2021-10-21 20:30:32,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 158 transitions, 870 flow [2021-10-21 20:30:32,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 158 transitions, 858 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-10-21 20:30:33,007 INFO L242 Difference]: Finished difference. Result has 155 places, 129 transitions, 609 flow [2021-10-21 20:30:33,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=609, PETRI_PLACES=155, PETRI_TRANSITIONS=129} [2021-10-21 20:30:33,008 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 41 predicate places. [2021-10-21 20:30:33,008 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 129 transitions, 609 flow [2021-10-21 20:30:33,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 88.375) internal successors, (707), 8 states have internal predecessors, (707), 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) [2021-10-21 20:30:33,009 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:33,009 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:33,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:30:33,010 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:33,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:33,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1940647033, now seen corresponding path program 3 times [2021-10-21 20:30:33,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:33,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310401582] [2021-10-21 20:30:33,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:33,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:33,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:33,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310401582] [2021-10-21 20:30:33,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310401582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:33,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:33,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:30:33,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942890183] [2021-10-21 20:30:33,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:30:33,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:30:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:30:33,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 109 [2021-10-21 20:30:33,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 129 transitions, 609 flow. Second operand has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 7 states have internal predecessors, (633), 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) [2021-10-21 20:30:33,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:33,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 109 [2021-10-21 20:30:33,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:33,428 INFO L129 PetriNetUnfolder]: 180/1014 cut-off events. [2021-10-21 20:30:33,428 INFO L130 PetriNetUnfolder]: For 1548/1617 co-relation queries the response was YES. [2021-10-21 20:30:33,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2889 conditions, 1014 events. 180/1014 cut-off events. For 1548/1617 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9423 event pairs, 4 based on Foata normal form. 4/974 useless extension candidates. Maximal degree in co-relation 2860. Up to 137 conditions per place. [2021-10-21 20:30:33,438 INFO L132 encePairwiseOnDemand]: 97/109 looper letters, 9 selfloop transitions, 8 changer transitions 38/135 dead transitions. [2021-10-21 20:30:33,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 135 transitions, 699 flow [2021-10-21 20:30:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:30:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-21 20:30:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 644 transitions. [2021-10-21 20:30:33,441 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8440366972477065 [2021-10-21 20:30:33,441 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 644 transitions. [2021-10-21 20:30:33,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 644 transitions. [2021-10-21 20:30:33,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:33,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 644 transitions. [2021-10-21 20:30:33,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.0) internal successors, (644), 7 states have internal predecessors, (644), 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) [2021-10-21 20:30:33,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-10-21 20:30:33,448 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-10-21 20:30:33,448 INFO L186 Difference]: Start difference. First operand has 155 places, 129 transitions, 609 flow. Second operand 7 states and 644 transitions. [2021-10-21 20:30:33,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 135 transitions, 699 flow [2021-10-21 20:30:33,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 135 transitions, 653 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-10-21 20:30:33,473 INFO L242 Difference]: Finished difference. Result has 152 places, 97 transitions, 354 flow [2021-10-21 20:30:33,473 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=354, PETRI_PLACES=152, PETRI_TRANSITIONS=97} [2021-10-21 20:30:33,473 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 38 predicate places. [2021-10-21 20:30:33,474 INFO L470 AbstractCegarLoop]: Abstraction has has 152 places, 97 transitions, 354 flow [2021-10-21 20:30:33,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 90.42857142857143) internal successors, (633), 7 states have internal predecessors, (633), 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) [2021-10-21 20:30:33,474 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:33,475 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:33,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:30:33,475 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:33,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:33,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1329381307, now seen corresponding path program 4 times [2021-10-21 20:30:33,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:33,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78175667] [2021-10-21 20:30:33,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:33,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:30:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:30:33,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:30:33,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78175667] [2021-10-21 20:30:33,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78175667] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:30:33,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:30:33,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-21 20:30:33,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464356257] [2021-10-21 20:30:33,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-21 20:30:33,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:30:33,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-21 20:30:33,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:30:33,848 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 109 [2021-10-21 20:30:33,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 97 transitions, 354 flow. Second operand has 11 states, 11 states have (on average 87.63636363636364) internal successors, (964), 11 states have internal predecessors, (964), 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) [2021-10-21 20:30:33,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-21 20:30:33,849 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 109 [2021-10-21 20:30:33,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-21 20:30:34,038 INFO L129 PetriNetUnfolder]: 11/158 cut-off events. [2021-10-21 20:30:34,038 INFO L130 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2021-10-21 20:30:34,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 158 events. 11/158 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 330 event pairs, 0 based on Foata normal form. 1/157 useless extension candidates. Maximal degree in co-relation 332. Up to 20 conditions per place. [2021-10-21 20:30:34,040 INFO L132 encePairwiseOnDemand]: 98/109 looper letters, 13 selfloop transitions, 5 changer transitions 7/104 dead transitions. [2021-10-21 20:30:34,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 104 transitions, 432 flow [2021-10-21 20:30:34,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-21 20:30:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-21 20:30:34,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1058 transitions. [2021-10-21 20:30:34,044 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.808868501529052 [2021-10-21 20:30:34,045 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1058 transitions. [2021-10-21 20:30:34,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1058 transitions. [2021-10-21 20:30:34,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:30:34,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1058 transitions. [2021-10-21 20:30:34,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.16666666666667) internal successors, (1058), 12 states have internal predecessors, (1058), 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) [2021-10-21 20:30:34,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 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) [2021-10-21 20:30:34,054 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 109.0) internal successors, (1417), 13 states have internal predecessors, (1417), 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) [2021-10-21 20:30:34,054 INFO L186 Difference]: Start difference. First operand has 152 places, 97 transitions, 354 flow. Second operand 12 states and 1058 transitions. [2021-10-21 20:30:34,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 104 transitions, 432 flow [2021-10-21 20:30:34,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 104 transitions, 302 flow, removed 29 selfloop flow, removed 29 redundant places. [2021-10-21 20:30:34,058 INFO L242 Difference]: Finished difference. Result has 123 places, 97 transitions, 262 flow [2021-10-21 20:30:34,059 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=262, PETRI_PLACES=123, PETRI_TRANSITIONS=97} [2021-10-21 20:30:34,059 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, 9 predicate places. [2021-10-21 20:30:34,059 INFO L470 AbstractCegarLoop]: Abstraction has has 123 places, 97 transitions, 262 flow [2021-10-21 20:30:34,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 87.63636363636364) internal successors, (964), 11 states have internal predecessors, (964), 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) [2021-10-21 20:30:34,060 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-21 20:30:34,060 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:30:34,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:30:34,061 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-10-21 20:30:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:30:34,061 INFO L82 PathProgramCache]: Analyzing trace with hash 317861507, now seen corresponding path program 5 times [2021-10-21 20:30:34,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:30:34,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739040238] [2021-10-21 20:30:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:30:34,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:30:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:30:34,124 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:30:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:30:34,225 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:30:34,225 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 20:30:34,226 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:30:34,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:30:34,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-21 20:30:34,228 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-21 20:30:34,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-21 20:30:34,229 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:30:34,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:30:34,237 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-21 20:30:34,237 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:30:34,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:30:34 BasicIcfg [2021-10-21 20:30:34,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:30:34,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:30:34,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:30:34,437 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:30:34,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:30:27" (3/4) ... [2021-10-21 20:30:34,443 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 20:30:34,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:30:34,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:30:34,667 INFO L168 Benchmark]: Toolchain (without parser) took 10006.50 ms. Allocated memory was 88.1 MB in the beginning and 237.0 MB in the end (delta: 148.9 MB). Free memory was 52.9 MB in the beginning and 145.4 MB in the end (delta: -92.5 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,667 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 60.5 MB in the beginning and 60.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:30:34,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 77.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 115.3 MB. Free memory was 77.4 MB in the beginning and 74.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,669 INFO L168 Benchmark]: Boogie Preprocessor took 39.48 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 72.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,669 INFO L168 Benchmark]: RCFGBuilder took 2022.62 ms. Allocated memory is still 115.3 MB. Free memory was 72.3 MB in the beginning and 40.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,670 INFO L168 Benchmark]: TraceAbstraction took 7052.03 ms. Allocated memory was 115.3 MB in the beginning and 237.0 MB in the end (delta: 121.6 MB). Free memory was 39.5 MB in the beginning and 189.5 MB in the end (delta: -149.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,670 INFO L168 Benchmark]: Witness Printer took 228.79 ms. Allocated memory is still 237.0 MB. Free memory was 189.5 MB in the beginning and 145.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:30:34,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 60.5 MB in the beginning and 60.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 77.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.24 ms. Allocated memory is still 115.3 MB. Free memory was 77.4 MB in the beginning and 74.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.48 ms. Allocated memory is still 115.3 MB. Free memory was 74.6 MB in the beginning and 72.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2022.62 ms. Allocated memory is still 115.3 MB. Free memory was 72.3 MB in the beginning and 40.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7052.03 ms. Allocated memory was 115.3 MB in the beginning and 237.0 MB in the end (delta: 121.6 MB). Free memory was 39.5 MB in the beginning and 189.5 MB in the end (delta: -149.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. * Witness Printer took 228.79 ms. Allocated memory is still 237.0 MB. Free memory was 189.5 MB in the beginning and 145.4 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L718] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L719] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L721] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L723] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L724] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L725] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L726] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L727] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L728] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L729] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L730] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L731] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L732] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L733] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L734] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L735] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L736] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L737] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L738] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L739] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L743] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t156; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t156, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t157; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L849] FCALL, FORK 0 pthread_create(&t157, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t158; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t158, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 136 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 25.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6592.4ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3692.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 99.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 138 SDtfs, 281 SDslu, 474 SDs, 0 SdLazy, 461 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 512.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 994.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=662occurred in iteration=7, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.8ms SsaConstructionTime, 767.8ms SatisfiabilityAnalysisTime, 1581.1ms InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 766 ConstructedInterpolants, 0 QuantifiedInterpolants, 3945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:30:34,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d846dda-6fd4-4c8d-8af1-a9c2833c508d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...